GB1520479A - Procress for preparing 3-methly-4-(5-tetrazoly)-cephem co-pounds - Google Patents

Procress for preparing 3-methly-4-(5-tetrazoly)-cephem co-pounds

Info

Publication number
GB1520479A
GB1520479A GB45549/75A GB4554975A GB1520479A GB 1520479 A GB1520479 A GB 1520479A GB 45549/75 A GB45549/75 A GB 45549/75A GB 4554975 A GB4554975 A GB 4554975A GB 1520479 A GB1520479 A GB 1520479A
Authority
GB
United Kingdom
Prior art keywords
procress
tetrazoly
methly
cephem
pounds
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
GB45549/75A
Other languages
English (en)
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 Inc
Original Assignee
Pfizer Inc
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 Inc filed Critical Pfizer Inc
Publication of GB1520479A publication Critical patent/GB1520479A/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)
GB45549/75A 1974-11-06 1975-10-31 Procress for preparing 3-methly-4-(5-tetrazoly)-cephem co-pounds Expired GB1520479A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1520479A true GB1520479A (en) 1978-08-09

Family

ID=24076758

Family Applications (2)

Application Number Title Priority Date Filing Date
GB52782/77A Expired GB1520480A (en) 1974-11-06 1975-10-31 Tetrazolyl penam sulphoxides
GB45549/75A Expired GB1520479A (en) 1974-11-06 1975-10-31 Procress for preparing 3-methly-4-(5-tetrazoly)-cephem co-pounds

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB52782/77A Expired GB1520480A (en) 1974-11-06 1975-10-31 Tetrazolyl penam sulphoxides

Country Status (11)

Country Link
JP (1) JPS5170790A (de)
BE (1) BE835299A (de)
CA (1) CA1050010A (de)
DE (1) DE2546503A1 (de)
DK (1) DK496975A (de)
ES (2) ES442360A1 (de)
FR (1) FR2290445A1 (de)
GB (2) GB1520480A (de)
IE (1) IE41799B1 (de)
LU (1) LU73730A1 (de)
NL (1) NL7512960A (de)

Cited By (2)

* 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
US9334289B2 (en) 2011-04-28 2016-05-10 Shionogi & Co., Ltd. Cephem compound having catechol or pseudo-catechol structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699904A (en) * 1985-07-01 1987-10-13 Merck & Co., Inc. Tetrazolyl derivatives of β-lactams useful as elastase inhibitors

Cited By (2)

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

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee