GB1447959A - Process for preparing cephem aldehyde derivatives - Google Patents

Process for preparing cephem aldehyde derivatives

Info

Publication number
GB1447959A
GB1447959A GB830575A GB830575A GB1447959A GB 1447959 A GB1447959 A GB 1447959A GB 830575 A GB830575 A GB 830575A GB 830575 A GB830575 A GB 830575A GB 1447959 A GB1447959 A GB 1447959A
Authority
GB
United Kingdom
Prior art keywords
aldehyde derivatives
preparing cephem
preparing
cephem aldehyde
alkanomide
Prior art date
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.)
Expired
Application number
GB830575A
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.)
Shionogi and Co Ltd
Original Assignee
Shionogi and Co Ltd
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
Application filed by Shionogi and Co Ltd filed Critical Shionogi and Co Ltd
Priority to GB830575A priority Critical patent/GB1447959A/en
Publication of GB1447959A publication Critical patent/GB1447959A/en
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
    • C07D501/02—Preparation
    • C07D501/04—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

1447959 Process for oxidizing deacetylcephalosporanic acids SHIONOGI & CO Ltd 27 Feb 1975 8305/75 Heading C2C The title process giving the analogous 3- formyl compounds or their cyclic hemiacetal lactones, is effected using hexavalent Cr in presence of 2-25% (a) N,N-dialkyl alkanomide or (b) H 2 O. Therapeutic compositions having antibacterial activity comprise the products of the above process, or cephalosporins or penicillins prepared from them.
GB830575A 1975-02-27 1975-02-27 Process for preparing cephem aldehyde derivatives Expired GB1447959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB830575A GB1447959A (en) 1975-02-27 1975-02-27 Process for preparing cephem aldehyde derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB830575A GB1447959A (en) 1975-02-27 1975-02-27 Process for preparing cephem aldehyde derivatives

Publications (1)

Publication Number Publication Date
GB1447959A true GB1447959A (en) 1976-09-02

Family

ID=9849982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB830575A Expired GB1447959A (en) 1975-02-27 1975-02-27 Process for preparing cephem aldehyde derivatives

Country Status (1)

Country Link
GB (1) GB1447959A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5856474A (en) * 1994-04-25 1999-01-05 Biochemie Gesellschaft, M.B.H. Cephalosporin synthesis
CN102898439A (en) * 2011-07-27 2013-01-30 广东立国制药有限公司 Preparation method of descarbamoyl cefuroxime lactone

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5856474A (en) * 1994-04-25 1999-01-05 Biochemie Gesellschaft, M.B.H. Cephalosporin synthesis
US6034237A (en) * 1994-04-25 2000-03-07 Biochemie Gesellschaft M.B.H. 3-imino-cephalosporins
US6063917A (en) * 1994-04-25 2000-05-16 Biochemie Gesellschaft M.B.H. Cephalosporin synthesis
US6093813A (en) * 1994-04-25 2000-07-25 Biochemie Gesellschaft M.B.H. Cephalosporin compounds
CN102898439A (en) * 2011-07-27 2013-01-30 广东立国制药有限公司 Preparation method of descarbamoyl cefuroxime lactone
CN102898439B (en) * 2011-07-27 2015-03-25 广东立国制药有限公司 Preparation method of descarbamoyl cefuroxime lactone

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee