DK496975A - Fremgangsmade til fremstilling af 3-methyl-4-(5-tetrazolyl)-delta3-cephem-forbindelser - Google Patents

Fremgangsmade til fremstilling af 3-methyl-4-(5-tetrazolyl)-delta3-cephem-forbindelser

Info

Publication number
DK496975A
DK496975A DK496975A DK496975A DK496975A DK 496975 A DK496975 A DK 496975A DK 496975 A DK496975 A DK 496975A DK 496975 A DK496975 A DK 496975A DK 496975 A DK496975 A DK 496975A
Authority
DK
Denmark
Prior art keywords
delta3
tetrazolyl
methyl
procedure
preparation
Prior art date
Application number
DK496975A
Other languages
Danish (da)
English (en)
Inventor
R D Carroll
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of DK496975A publication Critical patent/DK496975A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • 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)
  • Cephalosporin Compounds (AREA)
DK496975A 1974-11-06 1975-11-05 Fremgangsmade til fremstilling af 3-methyl-4-(5-tetrazolyl)-delta3-cephem-forbindelser DK496975A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52144474A 1974-11-06 1974-11-06

Publications (1)

Publication Number Publication Date
DK496975A true DK496975A (da) 1976-05-07

Family

ID=24076758

Family Applications (1)

Application Number Title Priority Date Filing Date
DK496975A DK496975A (da) 1974-11-06 1975-11-05 Fremgangsmade til fremstilling af 3-methyl-4-(5-tetrazolyl)-delta3-cephem-forbindelser

Country Status (11)

Country Link
JP (1) JPS5170790A (https=)
BE (1) BE835299A (https=)
CA (1) CA1050010A (https=)
DE (1) DE2546503A1 (https=)
DK (1) DK496975A (https=)
ES (2) ES442360A1 (https=)
FR (1) FR2290445A1 (https=)
GB (2) GB1520479A (https=)
IE (1) IE41799B1 (https=)
LU (1) LU73730A1 (https=)
NL (1) NL7512960A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845088A (en) * 1985-07-01 1989-07-04 Merck & Co., Inc. Tetrazolyl derivatives of beta-lactams useful as elastase inhibitors
US4699904A (en) * 1985-07-01 1987-10-13 Merck & Co., Inc. Tetrazolyl derivatives of β-lactams useful as elastase inhibitors
US9334289B2 (en) 2011-04-28 2016-05-10 Shionogi & Co., Ltd. Cephem compound having catechol or pseudo-catechol structure

Also Published As

Publication number Publication date
IE41799B1 (en) 1980-03-26
ES451958A1 (es) 1977-10-01
BE835299A (fr) 1976-05-05
IE41799L (en) 1976-05-06
JPS5170790A (en) 1976-06-18
FR2290445A1 (fr) 1976-06-04
FR2290445B1 (https=) 1978-05-12
ES442360A1 (es) 1977-04-01
NL7512960A (nl) 1976-05-10
GB1520479A (en) 1978-08-09
DE2546503A1 (de) 1976-05-13
LU73730A1 (https=) 1976-09-06
CA1050010A (en) 1979-03-06
GB1520480A (en) 1978-08-09

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DK496975A (da) Fremgangsmade til fremstilling af 3-methyl-4-(5-tetrazolyl)-delta3-cephem-forbindelser