NL7604869A - Werkwijze ter bereiding van nieuwe 3-acyloxy- methylcefemverbindingen. - Google Patents

Werkwijze ter bereiding van nieuwe 3-acyloxy- methylcefemverbindingen.

Info

Publication number
NL7604869A
NL7604869A NL7604869A NL7604869A NL7604869A NL 7604869 A NL7604869 A NL 7604869A NL 7604869 A NL7604869 A NL 7604869A NL 7604869 A NL7604869 A NL 7604869A NL 7604869 A NL7604869 A NL 7604869A
Authority
NL
Netherlands
Prior art keywords
methylcefem
acyloxy
compounds
procedure
preparing new
Prior art date
Application number
NL7604869A
Other languages
English (en)
Dutch (nl)
Original Assignee
Takeda Chemical Industries 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
Priority claimed from JP5502075A external-priority patent/JPS5951555B2/ja
Priority claimed from JP127576A external-priority patent/JPS5283870A/ja
Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Publication of NL7604869A publication Critical patent/NL7604869A/xx

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
    • C07D501/18—7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
    • 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
    • C07D501/26—Methylene radicals, substituted by oxygen atoms; Lactones thereof with the 2-carboxyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
NL7604869A 1975-05-06 1976-05-06 Werkwijze ter bereiding van nieuwe 3-acyloxy- methylcefemverbindingen. NL7604869A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5502075A JPS5951555B2 (ja) 1975-05-06 1975-05-06 セフアロスポリン化合物の製造法
JP127576A JPS5283870A (en) 1976-01-01 1976-01-01 Cephalosprin compounds

Publications (1)

Publication Number Publication Date
NL7604869A true NL7604869A (nl) 1976-11-09

Family

ID=26334469

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7604869A NL7604869A (nl) 1975-05-06 1976-05-06 Werkwijze ter bereiding van nieuwe 3-acyloxy- methylcefemverbindingen.

Country Status (12)

Country Link
US (1) US4224441A (xx)
BE (1) BE841469A (xx)
CA (1) CA1074296A (xx)
CH (1) CH627756A5 (xx)
DE (1) DE2619243C2 (xx)
DK (1) DK201676A (xx)
ES (1) ES447615A1 (xx)
FR (1) FR2310352A1 (xx)
GB (1) GB1535293A (xx)
HU (1) HU172550B (xx)
NL (1) NL7604869A (xx)
SE (1) SE435185B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327093A (en) * 1978-10-24 1982-04-27 Fujisawa Pharmaceutical Co., Ltd. 3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds
US4584371A (en) * 1984-03-01 1986-04-22 The Upjohn Company Catalytic process for preparing 3-ester-methyl cephalosporins from desacetyl-7-aminocephalosporanic acid
KR100998208B1 (ko) 2008-04-15 2010-12-03 주식회사 엔지켐 결정성 세포조프란 중간체의 제조방법
US8198434B2 (en) * 2008-05-07 2012-06-12 Idexx Laboratories, Inc. Process for preparing cefsulodin sodium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920638A (en) * 1968-08-20 1975-11-18 Ciba Geigy Corp Process for preparation of 7-amino-cephalosporanic acid compound
GB1395184A (en) * 1972-03-09 1975-05-21 Alfa Farmaceutici Spa Cephalosporin derivatives
US3932392A (en) * 1974-01-14 1976-01-13 Bristol-Myers Company Process for the preparation of 7-aminocephalosporanic acids
US4166178A (en) * 1975-05-06 1979-08-28 Takeda Chemical Industries, Ltd. 3-acyloxymethyl-cephem compounds

Also Published As

Publication number Publication date
FR2310352A1 (fr) 1976-12-03
DE2619243A1 (de) 1976-11-18
GB1535293A (en) 1978-12-13
US4224441A (en) 1980-09-23
SE7605131L (sv) 1976-11-07
DK201676A (da) 1976-11-07
DE2619243C2 (de) 1985-07-04
CH627756A5 (en) 1982-01-29
ES447615A1 (es) 1977-10-01
HU172550B (hu) 1978-09-28
SE435185B (sv) 1984-09-10
FR2310352B1 (xx) 1979-05-18
BE841469A (fr) 1976-11-05
CA1074296A (en) 1980-03-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed