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CH Boehringer Sohn AG and Co KG
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CH Boehringer Sohn AG and Co KG
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Application filed by CH Boehringer Sohn AG and Co KGfiledCriticalCH Boehringer Sohn AG and Co KG
Publication of ES274391A1publicationCriticalpatent/ES274391A1/en
Procedure for obtaining a new piperidine derivative of the general formula ** (See formula) ** as well as its acid addition salts, characterized by transforming a secondary piperidine derivative of the formula ** (See formula) ** with allyl halide, preferably in the presence of an organic solvent and a weak base such as sodium bicarbonate, at temperatures between 50 and 150º C, the alkylation medium preferably being used in excess, after which the tertiary hydrohalide is optionally converted to addition acid salts with other non-toxic anions, such as sulfates, methansulfates and tartrates. (Machine-translation by Google Translate, not legally binding)
ES0274391A1961-12-111962-02-07Procedure for obtaining a new piperidine derivative (Machine-translation by Google Translate, not legally binding)
ExpiredES274391A1
(en)
Procedure for the preparation of derivatives of the 3,5 dioxo-pirazolidina replaced in position 4 and of its salts. (Machine-translation by Google Translate, not legally binding)