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Priority claimed from SE7302279Aexternal-prioritypatent/SE397981B/en
Application filed by Astra Laekemedel AbfiledCriticalAstra Laekemedel Ab
Publication of DK174777ApublicationCriticalpatent/DK174777A/en
DK174777A1973-02-191977-04-21
SALTS OF 6-AMINOPENICILLANIC ACID FOR USE AS INTERMEDIATES IN THE PREPARATION OF 6-AMINOPENICILLANIC ACID CHEESES
DK174777A
(en)
NEW TETRAALKYLAMMONIUM SALTS OF 6-AMINOPENICILLANIC ACID AND OF BENZYLPENICILLIN INTENDED TO BE USED AS INTERMEDIATE PRODUCTS IN THE PREPARATION OF CERTAIN ESTERS OF 6-AMINOPENICILLANIC ACID AND OF BENZYLPENIC
7BETA-AMINO-3-CEPHEM-3-AMINO-4-CARBOXYLIC ACID DERIVATIVES FOR USING INTERMEDIATES IN THE PREPARATION OF 7BETA-AMINO-3-CEPHEM-3-OL-4-CARBOXYLIC ACID COMPOUNDS
17beta-hydroxy-3-oxo-4,6-steroid diene-17alpha-methylmalonic acid derivatives for use as intermediates for the preparation of 17-spirolactones and process for the preparation of the intermediates.