Polycyclo Ring System Containing The Hetero Ring As One Of The Cyclos Patents (Class 540/203)
- The six-membered ring contains sulfur (Class 540/214)
- 1-thia-5-aza-bicyclo(4.2.0)octane (including unsaturated; e.g., cepham, etc.) (Class 540/215)
- The 1-thia-5-aza-bicyclo(4.2.0)oct-ane is part of a polycyclo ring system having at least three cyclos (Class 540/216)
- Double bond between the 2,3-positions of the bicyclo ring system (e.g., 2 cephem, etc.) (Class 540/217)
- Ring expansion to produce the bicyclo ring system (Class 540/218)
- 7-amino cephalosporanic acid per se or salt thereof (i.e., 7-ACA or salt thereof) (Class 540/219)
- Purification or recovery (Class 540/220)
- 7,7-disubstituted (Class 540/221)
- Additional hetero ring containing (Class 540/222)
- 2- or 4-position substituent contains hetero ring (Class 540/223)
- 3-position substituent contains a pyridine ring (e.g., quinoline, thienopyridine, lutidines, etc.) (Class 540/224)
- 3-position substituent contains sulfur (Class 540/226)
- Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl bonded directly to 3 position (Class 540/228)
- Sulfur containing substituent (Class 540/229)
- Alkyl, hydroxyalkyl, alkoxyalkyl or alkanoyloxyalkyl bonded directly to 3 position (Class 540/230)
- The six-membered ring contains oxygen (Class 540/300)
- The five-membered ring contains an additional hetero atom (Class 540/303)
- 1-thia-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated; e.g., penam, etc.) (Class 540/304)
- The 1-thia-4-aza-bicyclo(3.2.0)hep-tane is part of a polycyclo ring system having at least three cyclos (Class 540/305)
- Plural 1-thia-4-aza-bicyclo(3.2.0)hep-tane ring systems attached directly or indirectly to each other by nonionic bonding (Class 540/306)
- Spiro (Class 540/307)
- The 6-position substituent contains phosphorus attached directly or indirectly to the bicyclo ring system by nonionic bonding (Class 540/308)
- Nitrogen containing hetero ring attached directly at the 3-position of the bicyclo ring system (Class 540/309)
- Having -C(=X)-, wherein X is chalcogen, bonded directly at the 3-position of the bicyclo ring system (Class 540/310)
- Nitrogen or hydrogen bonded directly to the -C(=X)- group (Class 540/311)
- Nitrogen bonded directly at the 6-position of the bicyclo ring system (Class 540/312)
- The 2-position substituent contains chalcogen, nitrogen or halogen (Class 540/313)
- Having -C(=X)-, wherein X is chalcogen, single bonded directly to the nitrogen (e.g., penicillin F, etc.) (Class 540/314)
- Processes utilizing penam containing compound (Class 540/315)
- Introduction of -C(=X)- group, wherein X is chalcogen, onto nitrogen (e.g., carboxamide formation, etc.) (Class 540/316)
- Esterification of the 3-position -C(=X)X- group, wherein the X's may be the same or diverse chalcogens (Class 540/318)
- Sulfur-oxidation, epimerization, 6-alkoxylation, de-esterification or reduction (Class 540/319)
- Formation of solvate or anhydrous forms, or special crystalline forms (Class 540/320)
- Conversion of amine salts to metal salts (Class 540/321)
- Purification utilizing solid adsorbent (Class 540/322)
- Base salt formation of 3-position -COOH group (Class 540/323)
- Extracting solid from solution (Class 540/324)
- The nitrogen is part of a hetero ring (Class 540/325)
- Chalcogen, -C(=X)-, wherein X is chalcogen, or additional nitrogen bonded directly to the -C(=X)- group (Class 540/326)
- Hetero ring or ring system bonded directly to the -C(=X)- group (Class 540/327)
- Nitrogen containing ring or ring system attached by carbon or acyclic carbon chain to the -C(=X)- group (Class 540/328)
- Polycyclo heterocyclic ring system in 6-position substituent (Class 540/329)
- Acyclic nitrogen or azide attached indirectly to the -C(=X)- group by acyclic nonionic bonding (Class 540/331)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen (Class 540/332)
- Additional acyclic nitrogen or acyclic chalcogen in the 6-position substituent (Class 540/335)
- The -C(=X)- group, an unsubstituted benzene ring and -NHH bonded directly to the same carbon atom (e.g., ampicillin, etc.) (Class 540/336)
- Cycloaliphatic ring in 6-position substituent (Class 540/337)
- Benzene or hetero ring in 6-position substituent (Class 540/338)
- The ring is bonded directly to the -C(=X)- group (Class 540/339)
- 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 (Class 540/340)
- Chalcogen in the chain between the ring and the -C(=X)- group (Class 540/341)
- Unsubstituted hydrocarbyl chain between the ring and the -C(=X)- group (Class 540/342)
- Processes (Class 540/346)
- Bicyclo ring system which is 1-oxa-4-aza-bicyclo(3.2.0)hep-tane (including unsaturated) (Class 540/347)
- The ring system is 4-aza-bicyclo(3.2.0)heptane (including unsaturated) and has sulfur bonded directly at the 2-position (Class 540/350)
