GB1409992A - Process for preparing cephalexin and intermediates therefor - Google Patents

Process for preparing cephalexin and intermediates therefor

Info

Publication number
GB1409992A
GB1409992A GB568274A GB568274A GB1409992A GB 1409992 A GB1409992 A GB 1409992A GB 568274 A GB568274 A GB 568274A GB 568274 A GB568274 A GB 568274A GB 1409992 A GB1409992 A GB 1409992A
Authority
GB
United Kingdom
Prior art keywords
reacting
cephalexin
methoxymethyl
preparing
sulphoxide
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
GB568274A
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.)
Bristol Myers Co
Original Assignee
Bristol Myers Co
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 Bristol Myers Co filed Critical Bristol Myers Co
Publication of GB1409992A publication Critical patent/GB1409992A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
GB568274A 1973-02-08 1974-02-07 Process for preparing cephalexin and intermediates therefor Expired GB1409992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00330770A US3843639A (en) 1973-02-08 1973-02-08 Production of cephalexin via methoxymethyl ester

Publications (1)

Publication Number Publication Date
GB1409992A true GB1409992A (en) 1975-10-15

Family

ID=23291254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB568274A Expired GB1409992A (en) 1973-02-08 1974-02-07 Process for preparing cephalexin and intermediates therefor

Country Status (16)

Country Link
US (1) US3843639A (enExample)
JP (3) JPS49109392A (enExample)
BE (1) BE810739A (enExample)
CA (1) CA1023346A (enExample)
CH (1) CH590877A5 (enExample)
CY (1) CY984A (enExample)
DE (1) DE2406072A1 (enExample)
FI (1) FI802253A7 (enExample)
FR (1) FR2217343B1 (enExample)
GB (1) GB1409992A (enExample)
HK (1) HK23079A (enExample)
HU (3) HU169449B (enExample)
KE (1) KE2915A (enExample)
MY (1) MY7900041A (enExample)
NL (1) NL7401564A (enExample)
ZA (1) ZA74574B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2143211B1 (enExample) * 1971-06-24 1975-10-31 Fujisawa Pharmaceutical Co
GB1472746A (en) * 1973-07-05 1977-05-04 Glaxo Lab Ltd Cephalosporin compounds
DK153154C (da) * 1973-11-30 1988-10-24 Merck & Co Inc Fremgangsmaade til fremstilling af 7-acylamido-cephalosporin-forbindelser
US4219495A (en) * 1979-02-28 1980-08-26 Bristol-Myers Company Methoxymethyl p-toluenesulfonate
US4217275A (en) * 1979-02-28 1980-08-12 Bristol-Myers Company β-Lactam antibiotic esterification process using methoxymethyl methane sulfonate
WO1993013448A1 (fr) * 1987-01-26 1993-07-08 Takumi Suzuki Dispositif d'affichage a cristaux liquides
US5067796A (en) * 1987-01-26 1991-11-26 Ricoh Company, Ltd. Liquid crystal display device with cut-out portions in lead electrodes for connection to driving circuit
ES2531598T3 (es) * 2004-06-30 2015-03-17 Dsm Sinochem Pharmaceuticals Netherlands B.V. Gránulos que comprenden un antibiótico de ß-lactama

Also Published As

Publication number Publication date
HK23079A (en) 1979-04-12
FI802253A7 (fi) 1981-01-01
HU169449B (enExample) 1976-11-28
HU173425B (hu) 1979-05-28
ZA74574B (en) 1974-11-27
JPS49109392A (enExample) 1974-10-17
KE2915A (en) 1979-02-02
CY984A (en) 1979-03-23
JPS5798287A (en) 1982-06-18
JPS5793984A (en) 1982-06-11
DE2406072A1 (de) 1974-08-15
CA1023346A (en) 1977-12-27
AU6509774A (en) 1975-08-07
CH590877A5 (enExample) 1977-08-31
JPS6047275B2 (ja) 1985-10-21
BE810739A (fr) 1974-08-07
FR2217343A1 (enExample) 1974-09-06
FR2217343B1 (enExample) 1977-09-09
MY7900041A (en) 1979-12-31
US3843639A (en) 1974-10-22
HU173426B (hu) 1979-05-28
NL7401564A (enExample) 1974-08-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee