ES423460A1 - Procedure for the preparation of 7-aminodesacetoxicefalosporanico acid. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of 7-aminodesacetoxicefalosporanico acid. (Machine-translation by Google Translate, not legally binding)
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Juste Quimico Farmaceutica SA
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Juste Quimico Farmaceutica SA
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"PROCEDURE FOR THE PREPARATION OF 7-AMINODESACETOXICEFALOSPORANICO ACID" which consists in reacting the p-nitrobencyl ester of phenoxymethylpenicillin-1 β -oxide with methanesulfonic acid in a mixture of dimethylacetamide and benzene, obtaining the p-nitrobenzyl ester of 7- phenoxyacetamido-3-methyl-3-cephem-4-carboxylate, as represented in the following scheme: (see formula) (Machine-translation by Google Translate, not legally binding)
ES423460A1974-02-211974-02-21Procedure for the preparation of 7-aminodesacetoxicefalosporanico acid. (Machine-translation by Google Translate, not legally binding)
ExpiredES423460A1
(en)
A procedure for preparing the isomero without the compounds of 3-cefem-4-carboxylic acid replaced in positions 3 and 7. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of N- (r-tetrahydrofurfuril) -noroximorphone and N- (s-tetrahydrofurfuril) -noroximorphone new. (Machine-translation by Google Translate, not legally binding)