FR2209762A1 - - Google Patents

Info

Publication number
FR2209762A1
FR2209762A1 FR7343621A FR7343621A FR2209762A1 FR 2209762 A1 FR2209762 A1 FR 2209762A1 FR 7343621 A FR7343621 A FR 7343621A FR 7343621 A FR7343621 A FR 7343621A FR 2209762 A1 FR2209762 A1 FR 2209762A1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7343621A
Other languages
French (fr)
Other versions
FR2209762B1 (cs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US394944A external-priority patent/US3910902A/en
Application filed by ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Publication of FR2209762A1 publication Critical patent/FR2209762A1/fr
Application granted granted Critical
Publication of FR2209762B1 publication Critical patent/FR2209762B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D501/57—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with a further substituent in position 7, e.g. cephamycines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7343621A 1972-12-06 1973-12-06 Expired FR2209762B1 (cs)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31247172A 1972-12-06 1972-12-06
US31243672A 1972-12-06 1972-12-06
US39494373A 1973-09-06 1973-09-06
US394944A US3910902A (en) 1972-12-06 1973-09-06 Method for preparing 7-substituted cephalosporins by replacement of oxygen containing groups

Publications (2)

Publication Number Publication Date
FR2209762A1 true FR2209762A1 (cs) 1974-07-05
FR2209762B1 FR2209762B1 (cs) 1977-02-18

Family

ID=27502033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343621A Expired FR2209762B1 (cs) 1972-12-06 1973-12-06

Country Status (5)

Country Link
JP (1) JPS4986391A (cs)
CA (1) CA1018968A (cs)
DE (1) DE2360945A1 (cs)
FR (1) FR2209762B1 (cs)
GB (1) GB1445446A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070103A1 (en) * 1981-07-10 1983-01-19 Beecham Group Plc Process for the preparation of penam derivatives

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161803B (en) * 1981-07-25 1986-07-23 Beecham Group Plc Intermediates for b-lactam antibiotics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070103A1 (en) * 1981-07-10 1983-01-19 Beecham Group Plc Process for the preparation of penam derivatives

Also Published As

Publication number Publication date
FR2209762B1 (cs) 1977-02-18
CA1018968A (en) 1977-10-11
DE2360945A1 (de) 1974-06-12
JPS4986391A (cs) 1974-08-19
GB1445446A (en) 1976-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse