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Novartis AG
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Ciba Geigy AG
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Publication date
Application filed by Ciba Geigy AGfiledCriticalCiba Geigy AG
Publication of ES234776A1publicationCriticalpatent/ES234776A1/en
Process for obtaining lactones of the general formula: ** (See formula) ** or of its salts, where X means the remainder of a benzolic nucleus and R 'a lower alkyl moiety, characterized in that a compound of the formula ** (See formula) ** or a salt thereof, is treated with a dehydrating agent. (Machine-translation by Google Translate, not legally binding)
ES0234776A1956-04-171957-04-10Procedure for the obtaining of lactons (Machine-translation by Google Translate, not legally binding)
ExpiredES234776A1
(en)
Procedure for the obtaining of new derivatives of heterocyclic hydrazines and their salts (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining new derivatives of piperidil-2 phenylmethanols and their added salts (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining a derivative of 1,1-dioxide from 3,4-hydride-1,2,4-benzotiadiacin (Machine-translation by Google Translate, not legally binding)