IE41799B1 - Process for preparing 3-methyl-4-(5-tetrazolyl)- 3-cephem compounds - Google Patents

Process for preparing 3-methyl-4-(5-tetrazolyl)- 3-cephem compounds

Info

Publication number
IE41799B1
IE41799B1 IE2059/75A IE205975A IE41799B1 IE 41799 B1 IE41799 B1 IE 41799B1 IE 2059/75 A IE2059/75 A IE 2059/75A IE 205975 A IE205975 A IE 205975A IE 41799 B1 IE41799 B1 IE 41799B1
Authority
IE
Ireland
Prior art keywords
penam
tetrazolyl
acid
ppm
dimethyl
Prior art date
Application number
IE2059/75A
Other languages
English (en)
Other versions
IE41799L (en
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 IE41799L publication Critical patent/IE41799L/xx
Publication of IE41799B1 publication Critical patent/IE41799B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
IE2059/75A 1974-11-06 1975-09-19 Process for preparing 3-methyl-4-(5-tetrazolyl)- 3-cephem compounds IE41799B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IE41799L IE41799L (en) 1976-05-06
IE41799B1 true IE41799B1 (en) 1980-03-26

Family

ID=24076758

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2059/75A IE41799B1 (en) 1974-11-06 1975-09-19 Process for preparing 3-methyl-4-(5-tetrazolyl)- 3-cephem compounds

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
DK496975A (da) 1976-05-07
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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