ES432978A1 - A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Publication of ES432978A1publicationCriticalpatent/ES432978A1/en
A process for the production of derivatives of fema and cefama selected from the group consisting of a halogenated fema derivative of the formula: **(See formula)** a halogenated cephama derivative of the formula: **(See formula)** or mixtures thereof, where X represents a halogen atom, the procedure of which is to react an oxidized derivative of the pename of the formula: **(See formula)** where R1 represents a substituted or unsubstituted amino radical and R3 represents a radical selected from the group consisting of carboxy, protected carboxy, ester, acid amide, anhydride, acid halide, azide and carhoxy salt, with a halogenating agent that is capable to produce at least one halogen ion, in the presence of a nitrogenous base. (Machine-translation by Google Translate, not legally binding)
ES432978A1971-12-231974-12-16A procedure for the production of penama and cefama derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES432978A1
(en)
Procedure for the preparation of N- (r-tetrahydrofurfuril) -noroximorphone and N- (s-tetrahydrofurfuril) -noroximorphone new. (Machine-translation by Google Translate, not legally binding)
Chemical compounds process for preparing said compounds and process for preparing 6-(p-hydroxyphenyl-glycylamido)-penam or 7-(p-hydroxyphenyl-glycylamido)-cephem compounds
Procedure for the preparation of amidas derived from the steres of piperazin-1 propionic acid. (Machine-translation by Google Translate, not legally binding)