Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
  • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
  • C07D257/04—Five-membered rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
  • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
  • C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
  • C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
  • C07D271/113—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
  • C07D285/01—Five-membered rings
  • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
  • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
  • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
  • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
  • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
  • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
  • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
  • C07D501/24—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
  • C07D501/36—Methylene radicals, substituted by sulfur atoms

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10449671

Family Applications (1)

Country Status (4)

• 1975
  • 1975-11-27 GB GB48719/75A patent/GB1570582A/en not_active Expired
• 1976
  • 1976-11-22 ZA ZA766972A patent/ZA766972B/xx unknown
  • 1976-11-24 BE BE172668A patent/BE848711A/xx unknown
  • 1976-11-26 AT AT877376A patent/AT348675B/de not_active IP Right Cessation

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