What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 540
Class Title: ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
Subclass Subclass
Number Title
* ORGANIC COMPOUNDS (Class 532, Subclass 1)
1 .HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING
CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM OR TELLURIUM) OR
NITROGEN AS THE ONLY RING HETERO ATOMS
2 ..Cyclopentanohydrophenanthrene ring system containing
3 ...Heavy metal or aluminum containing
4 ...Boron or silicon containing
5 ...Phosphorus attached directly or indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
6 ...Spiro
7 ....Plural spiro atoms
8 .....The cyclopentanohydrophenanthrene ring system is part of a
polycyclo ring system having at least five cyclos
9 ......Nitrogen containing hetero ring as one of the cyclos of
the polycyclo ring system
10 .....The cyclopentanohydrophenanthrene ring system shares spiro
atoms with two hetero rings, each of which contains two
oxygens (e.g., 3,17-bis-ketals, etc.)
11 .....The cyclopentanohydrophenanthrene ring system shares a
spiro atom with a lactone ring (i.e., -C(=X)-O- is part of
the ring, wherein X is chalcogen)
12 .....Plural oxygens in both rings which share a spiro atom
(e.g., 17,20;20,21 bismethylenedioxy-pregnanes, etc.)
13 ......Nitrogen, sulfur, cyano or -C(=X)-, wherein X is
chalcogen, bonded directly to the
cyclopentanohydrophenanthrene ring system
14 ......Halogen attached directly or indirectly to the
cyclopentanohydrophenanthrene ring system by acyclic
nonionic bonding
15 ....The cyclopentanohydrophenanthrene ring system is part of a
polycyclo ring system having at least five cyclos
16 .....Hetero ring is one of the cyclos of the polycyclo ring
system
17 ......The hetero ring is five-membered, consisting of one oxygen
and four carbons, and shares the spiro atom with a
six-membered oxygen containing hetero ring (e.g.,
sapogenins, etc.)
18 .......Purification or recovery
19 .......Chalcogen bonded directly at the 12-position of the
cyclopentanohydrophenanthrene ring system (e.g.,
hecogenin, etc.)
20 .......Chalcogen bonded directly at the 11-position of the
cyclopentanohydrophenanthrene ring system
21 ........Chalcogen bonded directly at the 7-position of the
cyclopentanohydrophenanthrene ring system
22 .......Halogen, cyano, nitrogen or sulfur bonded directly to the
cyclopentanohydrophenanthrene ring system
23 ......The spiro atom is the 17-position carbon of the
cyclopentanohydrophenanthrene ring system
24 ......The hetero ring shares the 11,12,13-positions of the
cyclopentanohydrophenanthrene ring system (i.e., bridged;;
e.g., 11,18-oxido steroids, etc.)
25 ......The hetero ring is three-membered consisting of one oxygen
and two carbons (e.g., oxirane, etc.)
26 .......The hetero ring shares the 5,6-positions of the
cyclopentanohydrophenanthrene ring system
27 ......The hetero ring contains two chalcogens which are bonded
directly at the 16 and 17-positions of the
cyclopentanohydrophenanthrene ring system
28 ....The spiro includes the cyclopentanohydrophenanthrene ring
system and a hetero ring
29 .....Nitrogen in the spiro hetero ring
30 .....Sulfur in the spiro hetero ring
31 .....Plural oxygens in the spiro hetero ring
32 ......The A ring is a benzene ring
33 ......Chalcogen bonded directly to the spiro hetero ring
34 ......The spiro hetero ring shares the 3-position carbon of the
cyclopentanohydrophenanthrene ring system
35 .......Halogen bonded directly to the
cyclopentanohydrophenanthrene ring system
36 .......Nitrogen attached directly or indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
37 .......Plural cyclic ketal rings containing (e.g.,
3,20-bis-ketals, etc.)
38 .......Chalcogen bonded directly at the 11-position of the
cyclopentanohydrophenanthrene ring system
39 .......The cyclopentanohydrophenanthrene ring system is fully
saturated
40 .......Carbon chain having carbon-to-carbon unsaturation bonded
directly at the 17 position of the
cyclopentanohydrophenanthrene ring system
41 .....The spiro hetero ring contains -C(=X)-O-, wherein X is
chalcogen, as part of the ring (e.g., spiro-lactones,
etc.)
42 ......Sulfur bonded directly to the
cyclopentanohydrophenanthrene ring system
43 ......Chalcogen bonded directly at the 11-position of the
cyclopentanohydrophenanthrene ring system
44 ......Chalcogen, halogen, or nitrogen attached indirectly to the
cyclopentanohydrophenanthrene ring system by acyclic
nonionic bonding
45 .....The spiro hetero ring is four-membered consisting of one
oxygen and three carbons
46 .....The spiro hetero ring is three-membered consisting of one
oxygen and two carbons (e.g., oxirane, etc.)
47 ...The cyclopentanohydrophenanthrene ring system is part of a
polycyclo ring system having at least five cyclos
48 ....Hetero ring is one of the cyclos of the polycyclo ring
system
49 .....The hetero ring contains nitrogen
50 ......Plural nitrogens in the hetero ring
51 .......The hetero ring is five-membered
52 ........The hetero ring consists of two nitrogens and three
carbons and is ortho fused to the A ring
53 .........Having -C(=X)-, wherein X is chalcogen, bonded directly
at the 17-position of the cyclopentanohydrophenanthrene
ring system
54 ........The hetero ring consists of two nitrogens and threee
carbons and is ortho fused to the D ring
55 ......Chalcogen in the hetero ring
56 .......The hetero ring is five-membered
57 ........The hetero ring is ortho-fused to the A ring
58 ......The hetero ring is five-membered
59 .....The hetero ring contains sulfur
60 .....The hetero ring is a cyclic anhydride (i.e., containing
-C(=X)-O-C(=Y)- as part of the ring, wherein X and Y are
chalcogen; e.g., 5,8-maleic anhydride adduct of
5,7,9(11)-pregnatrien-3,20-di-one, etc.)
61 .....The hetero ring contains plural oxygens
62 ......Two of the cyclos share at least three ring members or a
ring carbon is shared by three of the cyclos (e.g.,
bridged, peri-fused, etc.)
63 ......The hetero ring is ortho-fused to the D ring
64 .......At least six cyclos in the polycyclo ring system
65 .......Nitrogen or acyclic chalcogen bonded directly to the
hetero ring (e.g., cyclic carbonates, etc.)
66 .......The A ring is a benzene ring
67 .......Sulfur or nitrogen attached directly or indirectly to the
cyclopentanohydrophenanthrene ring system by acyclic
nonionic bonding
68 .......Halogen attached indirectly to the
cyclopentanohydrophenanthrene ring system by acyclic
nonionic bonding
69 .......Halogen bonded directly to the
cyclopentanohydrophenanthrene ring system
70 ........Oxygen bonded directly at the 11-position of the
cyclopentanohydrophenanthrene ring system
71 .......Oxygen attached directly to the B ring or indirectly to
the A or B ring by acyclic nonionic bonding
72 .....The hetero ring is a lactone (i.e., containing -C(=X)-O- as
part of the ring, wherein X is chalcogen)
73 ......The lactone ring shares at least three ring members with
one other cyclo of the polycylo ring system (i.e.,
bridged)
74 .......The lactone ring shares the 11,12,13-positions of the
cyclopentanohydrophenanthrene ring system (e.g., 11,
18-lactones, etc.)
75 ......The lactone ring shares a ring carbon with two other
cyclos of the polycyclo ring system (e.g., peri-fused,
etc.)
76 .....The hetero ring is three-membered consisting of one oxygen
and two carbons (e.g., oxirane, etc.)
77 ......The polycyclo ring system contains plural oxirane rings
78 ......The hetero ring shares the 1,2-positions of the
cyclopentanohydrophenanthrene ring system
79 ......The hetero ring shares the 4,5-positions of the
cyclopentanohydrophenanthrene ring system
80 ......The hetero ring shares the 5,6-positions of the
cyclopentanohydrophenanthrene ring system
81 ......The hetero ring shares the 6,7-positions of the
cyclopentanohydrophenanthrene ring system
82 ......The hetero ring shares the 11,12-positions of the
cyclopentanohydrophenanthrene ring system
83 ......The hetero ring shares the 14,15-positions of the
cyclopentanohydrophenanthrene ring system
84 ......The hetero ring shares the 16,17-positions of thee
cyclopentanohydrophenanthrene ring system
85 .......Halogen bonded directly to the
cyclopentanohydrophenanthrene ring system
86 .......Saturated A ring
87 ......The hetero ring shares the 9,11-positions of the
cyclopentanohydrophenanthrene ring system
88 .......Halogen bonded directly to the
cyclopentanohydrophenanthrene ring system
89 .......Having -C(=X)-, wherein X is chalcogen, bonded directly
to the cyclopentanohydrophenanthrene ring system
90 .....The hetero ring shares at least three ring members with one
other cyclo of the polycyclo ring system (i.e., bridged)
91 ......Bridge consisting of oxygen and carbon between the 6- and
10-positions of the cyclopentanohydrophenanthrene ring
system (e.g., 6,19-oxido steroids, etc.)
92 ......Bridge consisting of oxygen and carbon between the 11- and
13-positions of the cyclopentanohydrophenanthrene ring
system (e.g., 11,18-oxido steroids, etc.)
93 .....The hetero ring shares a ring carbon with two other cyclos
of the polycyclo ring system (e.g., peri-fused, etc.)
94 ...Hetero ring attached directly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
95 ....The hetero ring contains nitrogen
96 .....Plural nitrogen containing hetero rings bonded directly to
the cyclopentanohydrophenanthrene ring system
97 .....The hetero ring is bonded directly at the 3-position of the
cyclopentanohydrophenanthrene ring system
98 ......The A ring is a benzene ring
99 ......Halogen bonded directly to the
cyclopentanohydrophenanthrene ring system
100 ....The hetero ring contains plural chalcogens
101 .....The hetero ring and acyclic chalcogen are both bonded
directly at the 17 position of the
cyclopentanohydrophenanthrene ring system
102 ....The hetero ring contains -C(=X)-O-, wherein X is chalcogen,
as part of the ring (e.g., lactones, etc.)
103 .....Additional chalcogen, cyano, or -C(=X)-, wherein X is
chalcogen, bonded directly to the hetero ring
104 .....Nitrogen or sulfur attached directly or indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
105 .....Chalcogen bonded directly at the 14-position of the
cyclopentanohydrophenanthrene ring system or double bond in
the D ring (e.g., cardenolides, etc.)
106 ...Nitrogen attached directly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
107 ...Nitrogen containing hetero ring attached indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
108 ....The hetero ring is five-membered and has plural hetero
atoms
109 ....The hetero ring is in the 17-position substituent of the
cyclopentanohydrophenanthrene ring system
110 .....The hetero ring is bonded directly to a -C(=X)- group,
wherein X is chalcogen
111 .....Having -C(=X)-, wherein X is chalcogen, bonded directly att
the 17-position of the cyclopentanohydrophenanthrene ring
system
112 .....Chalcogen or nitrogen in chain between the hetero ring and
the cyclopentanohydrophenanthrene ring system
113 ....Chalcogen in chain between the hetero ring and the
cyclopentanohydrophenanthrene ring system
114 ...Oxygen containing hetero ring attached indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
115 ....The hetero ring contains -C(=X)-O-, wherein X is chalcogen,
as part of the ring (e.g., lactones, etc.)
116 ....Additional hetero atom in the oxygen containing hetero ring
117 ....The A ring is a benzene ring
118 ....The hetero ring is bonded directly to chalcogen which is
bonded directly to the cyclopentanohydrophenanthrene ring
system
119 .....The chalcogen is bonded directly at the 17-position of the
cyclopentanohydrophenanthrene ring system
120 ...Chalcogen attached indirectly to the
cyclopentanohydrophenanthrene ring system by nonionic
bonding
121 ..Azaporphyrins
122 ...Phthalocyanines
123 ....Hetero ring attached directly or indirectly to the
phthalocyanine ring system by nonionic bonding
124 .....The hetero ring is six-membered having nitrogen as a ring
member
125 ......Plural hetero atoms in the six-membered hetero ring
126 .......Triazines (including hydrogenated)
127 .....The hetero ring is five-membered having plural hetero
atoms, at least one of which is nitrogen
128 ....Boron, germanium, phosphorus or silicon containing
129 ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
ring carbon of the phthalocyanine ring system (e.g.,
tetracarboxy copper phthalocyanine, etc.)
130 ....Having -C(=X)-, wherein X is chalcogen, attached indirectly
to ring carbon of the phthalocyanine ring system by nonionic
bonding (e.g., phthalocyanine acetic acids, etc.)
131 ....Sulfonyl bonded directly to ring carbon of the
phthalocyanine ring system
132 .....Chalcogen bonded directly to the sulfonyl group
133 .....Nitrogen bonded directly to the sulfonyl group
134 ......Additional nitrogen in the sulfonyl containing
substituent
135 ....Nitrogen attached indirectly to ring carbon of the
phthalocyanine ring system by acyclic nonionic bonding
136 ....Halogen bonded directly to ring carbon of the phthalocyanine
ring system
137 .....At least eight halogens bonded directly to ring carbons of
the phthalocyanine ring system
138 .....Processes of halogenating the phthalocyanine ring system
139 ....Metal containing
140 .....Heavy metal or aluminum containing
141 ......Specified crystalline form or processes of milling (e.g.,
alpha crystalline form, ball milling, acid milling, etc.)
142 ......Processes of forming the phthalocyanine ring system
143 .......From reactant which contains plural cyano groups (e.g.,
preparing from phthalonitrile, etc.))
144 .......From reactant which contains plural carbonyl groups
(e.g., preparing from phthalic anhydride, etc.)
145 ..Porphyrins (including hydrogenated; e.g., chlorophyll, etc.)
200 ..Hetero ring is four-membered containing nitrogen and having
chalcogen double bonded directly to a ring carbon which is
adjacent to the ring nitrogen
201 ...Heavy metal containing
202 ...Plural hetero atoms in the hetero ring
203 ...Polycyclo ring system containing the hetero ring as one of
the cyclos
204 ....The ring nitrogen is shared by a ring containing at least
seven members
205 ....The ring nitrogen is shared by a six-membered ring
214 .....The six-membered ring contains sulfur
215 ......1-thia-5-aza-bicyclo(4.2.0)octane (including unsaturated;
e.g., cepham, etc.)
216 .......The 1-thia-5-aza-bicyclo(4.2.0)oct-ane is part of a
polycyclo ring system having at least three cyclos
217 .......Double bond between the 2,3-positions of the bicyclo ring
system (e.g., 2 cephem, etc.)
218 .......Ring expansion to produce the bicyclo ring system
219 .......7-amino cephalosporanic acid per se or salt thereof
(i.e., 7-ACA or salt thereof)
220 .......Purification or recovery
221 .......7,7-disubstituted
222 .......Additional hetero ring containing
223 ........2- or 4-position substituent contains hetero ring
224 ........3-position substituent contains a pyridine ring (e.g.,
quinoline, thienopyridine, lutidines, etc.)
225 .........7-position substituent contains hetero ring
226 ........3-position substituent contains sulfur
227 .........7-position substituent contains hetero ring
228 ........Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl
bonded directly to 3 position
229 .......Sulfur containing substituent
230 .......Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl
bonded directly to 3 position
300 .....The six-membered ring contains oxygen
301 ......1-oxa-5-aza-bicyclo(4.2.0)octane (including unsaturated)
302 ....The ring nitrogen is shared by a five-membered ring
303 .....The five-membered ring contains an additional hetero atom
304 ......1-thia-4-aza-bicyclo(3.2.0)hep-tane (including
unsaturated; e.g., penam, etc.)
305 .......The 1-thia-4-aza-bicyclo(3.2.0)hep-tane is part of a
polycyclo ring system having at least three cyclos
306 .......Plural 1-thia-4-aza-bicyclo(3.2.0)hep-tane ring systems
attached directly or indirectly to each other by nonionic
bonding
307 .......Spiro
308 .......The 6-position substituent contains phosphorus attached
directly or indirectly to the bicyclo ring system by
nonionic bonding
309 .......Nitrogen containing hetero ring attached directly at the
3-position of the bicyclo ring system
310 .......Having -C(=X)-, wherein X is chalcogen, bonded directly
at the 3-position of the bicyclo ring system
311 ........Nitrogen or hydrogen bonded directly to the -C(=X)-
groupp
312 ........Nitrogen bonded directly at the 6-position of the
bicyclo ring system
313 .........The 2-position substituent contains chalcogen, nitrogen
or halogen
314 .........Having -C(=X)-, wherein X is chalcogen, single bonded
directly to the nitrogen (e.g., penicillin F, etc.)
315 ..........Processes utilizing penam containing compound
316 ...........Introduction of -C(=X)- group, wherein X is
chalcogen, onto nitrogen (e.g., carboxamide
formation, etc.)
317 ............Boron, silicon or phosphorus containing reactant
318 ...........Esterification of the 3-position -C(=X)X- group,
wherein the X's may be the same or diverse
chalcogens
319 ...........Sulfur-oxidation, epimerization, 6-alkoxylation,
de-esterification or reduction
320 ...........Formation of solvate or anhydrous forms, or special
crystalline forms
321 ...........Conversion of amine salts to metal salts
322 ...........Purification utilizing solid adsorbent
323 ...........Base salt formation of 3-position -COOH group
324 ...........Extracting solid from solution
325 ..........The nitrogen is part of a hetero ring
326 ..........Chalcogen, -C(=X)-, wherein X is chalcogen, or
additional nitrogen bonded directly to the -C(=X)-
group
327 ..........Hetero ring or ring system bonded directly to the
-C(=X)- group
328 ..........Nitrogen containing ring or ring system attached by
carbon or acyclic carbon chain to the -C(=X)- group
329 ..........Polycyclo heterocyclic ring system in 6-position
substituent
330 ...........The polycyclo ring system is attached directly to a
-C(=X)-NH- group, wherein X is chalcogen and
substitution may be made for hydrogen only, which
group is between the polycyclo ring system and the
1-thia-4-aza bicyclo(3.2.0)hep-tane
331 ..........Acyclic nitrogen or azide attached indirectly to the
-C(=X)- group by acyclic nonionic bonding
332 ...........Having -C(=X)-, wherein X is chalcogen, bonded
directly to the nitrogen
333 ............Hetero ring bonded directly to the -C(=X)- group
334 ............Chalcogen, additional nitrogen or additional -C(=X)-
*bonded directly to the -C(=X)- group
335 ...........Additional acyclic nitrogen or acyclic chalcogen in
the 6-position substituent
336 ...........The -C(=X)- group, an unsubstituted benzene ring and
-NHH bonded directly to the same carbon atom (e.g.,
ampicillin, etc.)
337 ..........Cycloaliphatic ring in 6-position substituent
338 ..........Benzene or hetero ring in 6-position substituent
339 ...........The ring is bonded directly to the -C(=X)- group
340 ...........Having -C(=X)X-, wherein the X's may be the same or
diverse chalcogens, in chain between the ring and the
-C(=X)- group
341 ...........Chalcogen in the chain between the ring and the
-C(=X)- group
342 ...........Unsubstituted hydrocarbyl chain between the ring andd
the -C(=X)- group
343 ............Amine addition salts of 3-position -COOH group
344 .............Nitrogen containing hetero ring in the cation
**(i.e., amine moiety)
345 .............Plural nitrogens in the cation (i.e., amine
**moiety)
346 .........Processes
347 ......Bicyclo ring system which is
1-oxa-4-aza-bicyclo(3.2.0)hep-tane (including
unsaturated)
348 .......Acyclic carbon double bonded directly at the 2-position
of the bicyclo ring system
349 ........Chalcogen attached directly by a single bond to the
carbon or to an acyclic carbon chain which contains the
carbon
350 .....The ring system is 4-aza-bicyclo(3.2.0)heptane (including
unsaturated) and has sulfur bonded directly at the
2-position
351 ......Thienamycin per se or salt thereof
352 ....Five-membered hetero ring consisting of one nitrogen, one
sulfur and three carbons as one of the cyclos of the
polycyclo ring system
353 .....Double bond between ring members of the five-membered
hetero ring
354 ...Additional chalcogen bonded directly to the hetero ring
355 ....The additional chalcogen is bonded directly to the ring
nitrogen
356 ....The additional chalcogen is double bonded directly to the
hetero ring
357 ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
the additional chalcogen
358 ....The additional chalcogen is sulfur which is bonded directly
to chalcogen
359 .....The sulfur is double bonded directly to the chalcogen
360 ....Additional carbon bonded directly to the additional
chalcogen
361 ...Halogen attached directly at the 4-position of the hetero
ring by nonionic bonding
362 ...The 4-position of the hetero ring is unsubstituted or alkyl
substituted only
363 ....Nitrogen bonded directly at the 3-position of the hetero
ring
364 ...Nitrogen bonded directly at the 3-position of the hetero
ring
450 ..The hetero ring contains at least eight members including
nitrogen and carbon
451 ...Chalcogen double bonded directly to a ring carbon of the
hetero ring which is adjacent to the ring nitrogen (e.g.,
laurolactam, etc.)
452 ....Heavy metal, aluminum, boron or silicon containing
453 ....Spiro
454 ....Chalcogen in the hetero ring
455 .....Polycyclo ring system which contains the hetero ring as one
of the cyclos
456 ......Two of the cyclos share at least three ring members or a
ring member is shared by three of the cyclos (e.g.,
bridged, peri-fused, etc.)
457 .......A five-membered cyclo of the polycyclo ring systemm
consists of four ring carbons and one ring oxygen (e.g.,
fused rifamycins, etc.)
458 ........Tetracyclo ring system which contains the hetero ring as
one of the cyclos (e.g., rifamycin S, etc.)
459 .........Nitrogen, sulfur or halogen attached directly to the
tetracyclo ring system by nonionic bonding
460 ....Plural nitrogens in the hetero ring
461 ....Polycyclo ring system which contains the hetero ring as one
of the cyclos
462 .....Oxirane ring is one of the cyclos in the polycyclo ring
system (e.g., maytansinol, etc.)
463 ....Nitrogen or additional chalcogen attached directly to the
hetero ring by nonionic bonding
464 ....Utilizing oximes, oxime salts, hydroxylamines, hydroxylamine
salts or nitrosating agents to form the hetero ring (i.e.,
formation of the lactam ring)
465 ...Heavy metal or aluminum containing
466 ...Spiro
467 ...The hetero ring contains chalcogen
468 ....Polycyclo ring system which contains the hetero ring as one
of the cyclos
469 .....Plural nitrogens in the hetero ring
470 ...The hetero ring contains plural nitrogens
471 ....Polycyclo ring system which contains the hetero ring as one
of the cyclos
472 .....Two of the cyclos share at least three ring members or a
ring member is shared by three of the cyclos (e.g.,
bridged, peri-fused, etc., toxiferin)
473 .....Bicyclo ring system which contains the hetero ring as one
of the cyclos
474 ....The hetero ring contains at least three nitrogens
475 .....Nitro bonded directly to ring nitrogen of the hetero ring
(e.g., HMX, etc.)
476 ...Polycyclo ring system which contains the hetero ring as one
of the cyclos
477 ....Two of the cyclos share at least three ring members or a
ring member is shared by three of the cyclos (e.g., bridged,
peri-fused, etc.)
478 .....Containing additional heterocyclic polycyclo ring system
having plural ring nitrogens (e.g., vinblastine,
vincristine, etc.)
479 ....Tricyclo ring system which contains the hetero ring as one
of the cyclos
480 ...Additional hetero ring attached directly or indirectly to the
hetero ring by nonionic bonding
481 ....The additional hetero ring is six-membered and contains
nitrogen
482 ...Chalcogen or nitrogen attached directly to the hetero ring by
nonionic bonding
483 ...Plural nitrogens attached indirectly to the hetero ring by
acyclic nonionic bonding
484 ..The hetero ring contains seven members including nitrogen and
carbon
485 ...Chalcogen double bonded directly to a ring carbon adjacent to
the ring nitrogen (e.g., caprolactam, etc.)
486 ....Heavy metal or aluminum containing
487 ....Silicon or phosphorus attached directly or indirectly to the
hetero ring by nonionic bondingg
488 ....Chalcogen in the hetero ring
489 .....Plural nitrogens in the hetero ring
490 .....Bicyclo ring system having the hetero ring as one of the
cyclos
491 ......The chalcogen and the nitrogen are in the 1,5-positions of
the bicyclo ring system (e.g., 1,5-benzothiazepinone,
etc.)
492 ....Plural nitrogens in the hetero ring
493 .....Tetracyclo ring system having the hetero ring as one of the
cyclos
494 ......Nitrogen of the hetero ring is shared by an additional
cyclo of the tetracyclo ring system
495 .....Tricyclo ring system having the hetero ring as one of the
cyclos
496 ......Nitrogen of the hetero ring is shared by an additional
cyclo of the tricyclo ring system
497 .......Additional hetero atom in the additional cyclo of the
tricyclo ring system
498 ........The additional cyclo is five-membered consisting of
nitrogen and carbon (e.g., imidazobenzodiazepinones,
etc.)
499 .........The additional cyclo consists of three nitrogens and
two carbons (e.g., triazolobenzodiazepinones, etc.)
500 .....Bicyclo ring system having the hetero ring as one of the
cyclos
501 ......At least three nitrogens in the hetero ring
502 ......At least three hetero atoms in the bicyclo ring system
503 .......Chalcogen in the bicyclo ring system
504 ......The bicyclo ring system is 1,4-benzodiazepine (including
hydrogenated)
505 .......The chalcogen double bonded directly to the hetero ring
is sulfur
506 .......Additional chalcogen bonded directly to ring carbon of
the hetero ring
507 ........The additional chalcogen is bonded directly at the
3-position of the bicyclo ring system
508 .........Nitrogen or -C(=X)-, wherein X is chalcogen, attached
indirectly to the chalcogen by acyclic nonionic
bonding
509 .......Acyclic nitrogen bonded directly to the hetero ring
510 .......Having -C(=X)-, wherein X is chalcogen, bonded directly
to the hetero ring
511 .......Halogen bonded directly to the hetero ring
512 .......Chalcogen attached indirectly to nitrogen of the hetero
ring by acyclic nonionic bonding
513 .......Sulfur, -C(=X)-, wherein X is chalcogen, or nitrogen,
other than as nitro or nitroso, bonded directly to the
carbocyclic ring of the bicyclo ring system
514 .......Nitrogen in the 1-position substituent of the bicyclo
ring system
515 .......Preparation by cyclizing benzophenones or imine
derivatives thereof
516 .......Preparation from a compound containing a different hetero
ring
517 ......The bicyclo ring system is 1,5-benzodiazepine (including
hydrogenated)
518 .......Additional chalcogen double bonded directly to ring
carbon of the hetero ringg
519 ....Polycyclo ring system which contains the hetero ring as one
of the cyclos
520 .....Two of the cyclos share at least three ring members or a
ring member is shared by three of the cyclos (e.g.,
bridged, peri-fused, etc.)
521 .....Plural hetero atoms in the polycyclo ring system
522 .....Tricyclo ring system which contains the hetero ring as one
of the cyclos
523 .....Bicyclo ring system which contains the hetero ring as one
of the cyclos
524 ....Additional hetero ring containing
525 .....Plural seven-membered hetero rings
526 ....Additional chalcogen bonded directly to the hetero ring
527 ....Nitrogen bonded directly to the hetero ring
528 .....The nitrogen is bonded additionally only to hydrogen
529 ....Having -C(=X)-, wherein X is chalcogen, bonded directly to
the hetero ring
530 ....Halogen bonded directly to the hetero ring
531 ....Chalcogen or nitrogen attached indirectly to the hetero ring
by nonionic bonding
532 ....Preparing from a compound containing a hetero ring
533 .....The hetero ring is a lactam (i.e., -C(=X)-NH- is part of
the ring, wherein X is chalcogen and substitution may be
made for the hydrogen only)
534 ....Preparing from a compound containing a cycloaliphatic ring
535 .....The reactant is a cyclic oxime
536 ......Gas phase rearrangement
537 .....Acyclic -C(=X)X-, wherein the X's are the same or diverse
chalcogens, attached directly to the cycloaliphatic ring by
nonionic bonding
538 ....Cyclization to form the hetero ring
539 .....Reactant contains a cyano group
540 ....Purification or recovery
541 ...Heavy metal or boron containing
542 ...Phosphorus attached directly or indirectly to the hetero ring
by nonionic bonding
543 ...Spiro
544 ...The hetero ring contains chalcogen
545 ....Plural nitrogens in the heterocyclic ring
546 ....Polycyclo ring system which contains the hetero ring as one
of the cyclos
547 .....Tricyclo ring system which contains the hetero ring as one
of the cyclos
548 ......At least three ring hetero atoms in the tricyclo ring
system
549 ......Sulfur and nitrogen are bonded directly to each other in
the hetero ring
550 ......The nitrogen of the hetero ring is bonded directly to both
remaining rings of the tricyclo ring system (e.g.,
dibenzo(b,e)(1,4)thiazepine, etc.)
551 ......Nitrogen bonded directly to ring carbon of the hetero
ring
552 .....Bicyclo ring system which contains the hetero ring as one
of the cyclos
553 ...The hetero ring contains plural nitrogens (e.g.,
1,3-diazepines, etc.)
554 ....The hetero ring contains at least three nitrogens
555 ....Polycyclo ring system which contains the hetero ring as onee
of the cyclos
556 .....Two of the cyclos share at least three ring members or a
ring member is shared by three of the cyclos (e.g.,
bridged, peri-fused, etc.)
557 .....Tricyclo ring system which contains the hetero ring as one
of the cyclos
558 ......Nitrogen of the hetero ring is shared by an additional
cyclo of the tricyclo ring system
559 .......The additional cyclo has at least six ring members
560 .......Chalcogen in the tricyclo ring system
561 .......The additional cyclo consists of one nitrogen and four
carbons (e.g., diazepinoindoles, etc.)
562 .......The additional cyclo consists of two nitrogens and three
carbons (e.g., imidazobenzodiazepines, etc.)
563 .......s-Triazolo(4,3-a)(1,4)-benzodi-azepines (including
hydrogenated)
564 ........Chalcogen, nitrogen, cyano or halogen bonded directly to
ring carbon of the triazolo ring
565 ........Nitrogen attached indirectly to ring carbon of the
triazolo ring by acyclic nonionic bonding
566 ........The unshared ring carbon of the triazolo ring is
unsubstituted or alkyl substituted only
567 .....Bicyclo ring system which contains the hetero ring as one
of the cyclos
568 ......At least three ring hetero atoms in the bicyclo ring
system
569 ......1,4-benzodiazepines (including hydrogenated)
570 .......Chalcogen bonded directly to ring carbon of the hetero
ring
571 .......Nitrogen bonded directly to ring carbon of the hetero
ring
572 ........Chalcogen or nitrogen attached indirectly to ring carbon
of the hetero ring by acyclic nonionic bonding
573 .......Chalcogen or nitrogen attached indirectly to ring carbon
of the hetero ring by acyclic nonionic bonding
574 .......Formation of the 1,4-benzodiazepine ring system
575 ....The nitrogens are in the 1,4-positions of the hetero ring
576 ...Polycyclo ring system which contains the hetero ring as one
of the cyclos
577 ....Plural nitrogens in the polycyclo ring system
578 .....Three or more hetero atoms in the polycyclo ring system
579 .....Nitrogen of the hetero ring is shared by an additional
cyclo of the polycyclo ring system
580 .....The seven-membered hetero ring shares ring members with one
other cyclo only
581 ....Two of the cyclos share at least three ring members or a
ring carbon is shared by three of the cyclos (e.g., bridged,
peri-fused, etc.)
582 .....Bicyclo ring system which contains the hetero ring as one
of the cyclos (e.g., 3-azabicyclo-(3.2.2)nonanes, etc.)
583 ......Having -C(=X)-, wherein X is chalcogen, bonded directly to
ring nitrogen of the bicyclo ring system
584 ......Chalcogen or nitrogen attached directly to ring nitrogen
of the bicyclo ring system by nonionic bonding
585 ......Chalcogen or nitrogen attached indirectly to ring nitrogen
of the bicyclo ring system by acyclic nonionic bonding
586 ....Tricyclo ring system which contains the hetero ring as one
of the cycloss
587 .....The hetero ring shares ring members with each of two
benzene rings in the tricyclo ring system (e.g.,
morphanthridines, etc.)
588 ......The nitrogen of the hetero ring is bonded directly to each
of the two benzene rings (e.g., iminodibenzyl, etc.)
589 .......Having -C(=X)-, wherein X is chalcogen, bonded directly
to ring nitrogen of the tricyclo ring system
590 .......Nitrogen attached directly or indirectly to ring carbon
of the hetero ring by acyclic nonionic bonding
591 .......Chalcogen attached directly or indirectly to the hetero
ring by acyclic nonionic bonding
592 .......Nitrogen attached indirectly to ring nitrogen of the
hetero ring by acyclic nonionic bonding
593 ....Bicyclo ring system which contains the hetero ring as one of
the cyclos
594 .....3-Benzazepines (including hydrogenated)
595 ......Benzene ring bonded directly to ring carbon of the hetero
ring
596 ...Additional hetero ring attached directly or indirectly to the
hetero ring by nonionic bonding
597 ....The additional hetero ring is six-membered and contains
nitrogen
598 .....Plural hetero atoms in the additional hetero ring
599 ......Polycyclo ring system having the additional hetero ring as
one of the cyclos
600 .......The additional hetero ring is 1,3-diazine (including
hydrogenated)
601 ......The additional hetero ring is 1,3-diazine (including
hydrogenated)
602 ....The additional hetero ring is five-membered and contains
nitrogen
603 .....Plural hetero atoms in the additional hetero ring
604 ...Chalcogen attached directly to the hetero ring by nonionic
bonding
605 ...Nitrogen attached directly to the hetero ring by nonionic
bonding
606 ....Chalcogen, additional nitrogen, or -C(=X)-, wherein X is
chalcogen, attached directly to the nitrogen by nonionic
bonding
607 ...Having -C(=X)-, wherein X is chalcogen, bonded directly to
nitrogen of the hetero ring
608 ....Chalcogen bonded directly to the -C(=X)- group
609 ...Chalcogen or nitrogen attached indirectly to the hetero ring
by acyclic nonionic bonding
610 ....The chalcogen or nitrogen is multiple bonded to a carbon
(e.g., cyano or carbonyl groups, etc.)
611 ...Benzene ring bonded directly to the hetero ring
612 ...The hetero ring is unsubstituted or alkyl substituted only