HUT45068A - Process for producing intermediary
- Google Patents
Process for producing intermediary
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Publication number
HUT45068A
HUT45068AHU391086AHU391086AHUT45068AHU T45068 AHUT45068 AHU T45068AHU 391086 AHU391086 AHU 391086AHU 391086 AHU391086 AHU 391086AHU T45068 AHUT45068 AHU T45068A
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Application filed by Biogal GyogyszergyarfiledCriticalBiogal Gyogyszergyar
Priority to HU391086ApriorityCriticalpatent/HU197016B/en
Publication of HUT45068ApublicationCriticalpatent/HUT45068A/en
Publication of HU197016BpublicationCriticalpatent/HU197016B/en
7-beta-chloro-acetamido- 3-bromomethyl-ceph-3-em-4-carboxy lic acid- sulphoxide-benzhydryl-ester, is a novel intermediate cpd. for the prodn. of semi-synthetic cephalosporins, can pref. be prepared from 6-amin-penicillanic-acid but also from 7-amino-3-dezacetody-ceph -3-em-4-carboxylic acid.
HU391086A1986-09-111986-09-11Process for producing cefem intermediate
HU197016B
(en)