JPS52106892A - Synthesis of 3-methylenecepham compounds - Google Patents

Synthesis of 3-methylenecepham compounds

Info

Publication number
JPS52106892A
JPS52106892A JP2365376A JP2365376A JPS52106892A JP S52106892 A JPS52106892 A JP S52106892A JP 2365376 A JP2365376 A JP 2365376A JP 2365376 A JP2365376 A JP 2365376A JP S52106892 A JPS52106892 A JP S52106892A
Authority
JP
Japan
Prior art keywords
compounds
methylenecepham
synthesis
substd
dithio
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.)
Granted
Application number
JP2365376A
Other languages
Japanese (ja)
Other versions
JPS617427B2 (en
Inventor
Yoshifumi Maki
Magoichi Sako
Masashi Kuramoto
Tetsuo Watanabe
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.)
Toyo Jozo KK
Original Assignee
Toyo Jozo KK
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 Toyo Jozo KK filed Critical Toyo Jozo KK
Priority to JP2365376A priority Critical patent/JPS52106892A/en
Priority to DK90077A priority patent/DK90077A/en
Priority to GB8775/77A priority patent/GB1513227A/en
Priority to FR7706278A priority patent/FR2342975A1/en
Priority to DE19772709286 priority patent/DE2709286A1/en
Priority to NL7702304A priority patent/NL7702304A/en
Publication of JPS52106892A publication Critical patent/JPS52106892A/en
Publication of JPS617427B2 publication Critical patent/JPS617427B2/ja
Granted 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
    • C07D501/08—Preparation by forming the ring or condensed ring systems
    • C07D501/10—Preparation by forming the ring or condensed ring systems from compounds containing the penicillin ring system
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Cephalosporin Compounds (AREA)

Abstract

PURPOSE: Novel method of preparing title compounds, useful as intermediates for cephalosporin antibiotics, from 4-substd. dithio-2-azetidinone compounds which are obtainable from low-cost fermentation penicillin.
COPYRIGHT: (C)1977,JPO&Japio
JP2365376A 1976-03-03 1976-03-03 Synthesis of 3-methylenecepham compounds Granted JPS52106892A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2365376A JPS52106892A (en) 1976-03-03 1976-03-03 Synthesis of 3-methylenecepham compounds
DK90077A DK90077A (en) 1976-03-03 1977-03-02 PROCEDURE FOR THE PREPARATION OF 3, METHYLENCEPHAM COMPOUNDS
GB8775/77A GB1513227A (en) 1976-03-03 1977-03-02 Process for the production of 3-methylene-cepham compound
FR7706278A FR2342975A1 (en) 1976-03-03 1977-03-03 PROCESS FOR PREPARING 3-METHYLENECEPHAM DERIVATIVES
DE19772709286 DE2709286A1 (en) 1976-03-03 1977-03-03 PROCESS FOR THE PRODUCTION OF 3-METHYLENE CEPHAM COMPOUNDS
NL7702304A NL7702304A (en) 1976-03-03 1977-03-03 PROCEDURE FOR PREPARING 3-METHYLENE -CEFAM COMPOUNDS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2365376A JPS52106892A (en) 1976-03-03 1976-03-03 Synthesis of 3-methylenecepham compounds

Publications (2)

Publication Number Publication Date
JPS52106892A true JPS52106892A (en) 1977-09-07
JPS617427B2 JPS617427B2 (en) 1986-03-06

Family

ID=12116479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2365376A Granted JPS52106892A (en) 1976-03-03 1976-03-03 Synthesis of 3-methylenecepham compounds

Country Status (6)

Country Link
JP (1) JPS52106892A (en)
DE (1) DE2709286A1 (en)
DK (1) DK90077A (en)
FR (1) FR2342975A1 (en)
GB (1) GB1513227A (en)
NL (1) NL7702304A (en)

Also Published As

Publication number Publication date
FR2342975A1 (en) 1977-09-30
JPS617427B2 (en) 1986-03-06
NL7702304A (en) 1977-09-06
DE2709286A1 (en) 1977-09-15
DK90077A (en) 1977-09-04
GB1513227A (en) 1978-06-07

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