| Class 540 | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| This Class 540 is considered to be an integral part of Class 260 (see the Class 260 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 260. | ||
| ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) |
![[List of Pre Grant Publications for class 540 subclass 1]](../as.gif) | ![[List of Patents for class 540 subclass 1]](../ps.gif) | 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 |
| | 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.) |
| | 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 |
| | 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.) |
| | 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 three carbons and is ortho fused to the D ring |
| | 55 | Chalcogen in the hetero ring |
| | 58 | The hetero ring is five-membered |
| | 59 | The hetero ring contains sulfur |
| | 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 |
| | 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 the cyclopentanohydrophenanthrene ring system |
| | 87 | The hetero ring shares the 9,11-positions of 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 |
| | 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 at 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 |
| | 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 |
| | 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 |
| | 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 |
| | 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.) |
| | 226 | 3-position substituent contains sulfur |
| | 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 |
| | 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)- group |
| | 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.) |
| | 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 |
| | 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 and the -C(=X)- group |
| | 346 | Processes |
| | 347 | Bicyclo ring system which is 1-oxa-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated) |
| | 350 | The ring system is 4-aza-bicyclo(3.2.0)heptane (including unsaturated) and has sulfur bonded directly at the 2-position |
| | 352 | Five-membered hetero ring consisting of one nitrogen, one sulfur and three carbons as one of the cyclos of the polycyclo ring system |
| | 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 |
| | 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 |
| | 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 |
| | 460 | Plural nitrogens in the hetero ring |
| | 461 | Polycyclo ring system which contains the hetero ring as one of the cyclos |
| | 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 |
| | 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 |
| | 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 |
| | 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 bonding |
| | 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 |
| | 492 | Plural nitrogens in the hetero ring |
| | 493 | Tetracyclo ring system having the hetero ring as one of the cyclos |
| | 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 |
| | 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 |
| | 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 |
| | 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) |
| | 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 |
| | 526 | Additional chalcogen bonded directly to the hetero ring |
| | 527 | Nitrogen bonded directly to the hetero ring |
| | 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 |
| | 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 |
| | 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 one 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) |
| | 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 cyclos |
| | 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 |
| | 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 |
| | 602 | The additional hetero ring is five-membered and contains nitrogen |
| | 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 |
| | 609 | Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding |
| | 611 | Benzene ring bonded directly to the hetero ring |
| | 612 | The hetero ring is unsubstituted or alkyl substituted only |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |