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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to ES0245052ApriorityCriticalpatent/ES245052A1/en
Publication of ES245052A1publicationCriticalpatent/ES245052A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Method of producing optically active compounds of the formula: ** (See formula) ** or salts thereof, wherein R represents hydrogen or an alkyl group and R 'represents hydrogen or an alkyl, aralkyl or aryl group, while the aromatic nucleus of these groups may carry one or two hydroxyl or etheric groups, it being understood that no they must both be hydrogen, characterized by the fact that levorotatory 1- (3 ', 4'-dihydroxyphenyl) -2-amino-ethanol-1 or a salt thereof is reacted with a compound of the formula: ** (See formula) ** where R and R 'have the above-mentioned meaning and the Schiff base thus produced is reduced in an appropriate manner. (Machine-translation by Google Translate, not legally binding)
ES0245052A1958-11-031958-11-03A method of producing optically active compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES245052A1
(en)