CA1050010A - Process for preparing-3-methyl-4-(5-tetrazolyl)-a3-cephem compounds - Google Patents

Process for preparing-3-methyl-4-(5-tetrazolyl)-a3-cephem compounds

Info

Publication number
CA1050010A
CA1050010A CA238,486A CA238486A CA1050010A CA 1050010 A CA1050010 A CA 1050010A CA 238486 A CA238486 A CA 238486A CA 1050010 A CA1050010 A CA 1050010A
Authority
CA
Canada
Prior art keywords
ppm
amino
penam
dimethyl
group
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
CA238,486A
Other languages
English (en)
French (fr)
Inventor
Ronnie D. Carroll
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.)
Pfizer Ltd Great Britain
Original Assignee
Pfizer Ltd Great Britain
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 Ltd Great Britain filed Critical Pfizer Ltd Great Britain
Priority to CA307,861A priority Critical patent/CA1050011A/en
Application granted granted Critical
Publication of CA1050010A publication Critical patent/CA1050010A/en
Expired legal-status Critical Current

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)
CA238,486A 1974-11-06 1975-10-28 Process for preparing-3-methyl-4-(5-tetrazolyl)-a3-cephem compounds Expired CA1050010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA307,861A CA1050011A (en) 1974-11-06 1978-07-21 Process for preparing penam sulfoxide

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1050010A true CA1050010A (en) 1979-03-06

Family

ID=24076758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,486A Expired CA1050010A (en) 1974-11-06 1975-10-28 Process for preparing-3-methyl-4-(5-tetrazolyl)-a3-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
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
GB1520480A (en) 1978-08-09

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