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Merck and Co Inc
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Merck and Co Inc
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Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES0256052ApriorityCriticalpatent/ES256052A3/en
Publication of ES256052A3publicationCriticalpatent/ES256052A3/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of α -methylphenylalanines, comprising the reaction of a compound selected from the group represented by the following formulas: ** (See formula) ** designated in this specification and in the appended formulas sheets, as formulas 3 and 4; where R is taken from the group consisting of hydroxyl, alkoxy and acyloxy radicals, and R 'is selected from the group consisting of hydrogen and hydroxyl, alkoxy and acyloxy radicals, with ammonium carbonate and a cyanide, to form the corresponding hydantoin, and the reaction of is with a base to produce a compound of one of the following formulas, designated as Formulas 5 and 6 (see formula) (Machine-translation by Google Translate, not legally binding)
ES0256052A1960-02-161960-02-16
PROCEDURE FOR OBTAINING ALPHA-METHYLPHENYLAMINES
ExpiredES256052A3
(en)
Procedure for the preparation of new compounds of 1,4-benzodioxane and 1,5-benzodioxane and of 1,5-benzodioxepane (Machine-translation by Google Translate, not legally binding)