Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
  • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
  • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
  • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
  • C07D205/09—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
  • C07D205/095—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4 and with a nitrogen atom directly attached in position 3
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
  • C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
  • C07F9/568—Four-membered rings

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Plural Heterocyclic Compounds (AREA)
• Cephalosporin Compounds (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27253667

Family Applications (1)

Country Status (8)

• 1972
  • 1972-05-10 FR FR7216668A patent/FR2146212A1/fr not_active Withdrawn
  • 1972-05-10 DE DE19722222924 patent/DE2222924A1/de active Pending
  • 1972-05-10 NL NL7206371A patent/NL7206371A/xx unknown
  • 1972-05-10 BE BE783298A patent/BE783298A/xx unknown
  • 1972-05-10 ES ES402958A patent/ES402958A1/es not_active Expired
  • 1972-05-11 AU AU42196/72A patent/AU4219672A/en not_active Expired
  • 1972-05-12 CA CA142,026A patent/CA971570A/en not_active Expired
• 1974
  • 1974-11-06 ES ES431709A patent/ES431709A1/es not_active Expired
  • 1974-11-06 ES ES431708A patent/ES431708A1/es not_active Expired
• 1975
  • 1975-08-22 SE SE7509394A patent/SE7509394L/xx unknown
  • 1975-08-22 SE SE7509395A patent/SE7509395L/xx unknown

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