Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Merck and Co Inc
Original Assignee
Merck and Co Inc
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Filing date
Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES280958ApriorityCriticalpatent/ES280958A1/en
Publication of ES280958A1publicationCriticalpatent/ES280958A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Fodder In General
(AREA)
Abstract
Process for preparing amino acids, especially optical isomers of alpha-methyl-3,4-dihydroxyphenylalanine in substantially pure form, which comprises contacting a supersaturated aqueous solution of the racemic mixture of said alalina compound with the crystalline bait of the desired isomer, said solution containing 0 to 90% of said alanine in the form of the amine salt of a water-soluble non-amphoteric acid. (Machine-translation by Google Translate, not legally binding)
ES280958A1962-09-141962-09-14Procedure for preparing amino-acids (Machine-translation by Google Translate, not legally binding)
ExpiredES280958A1
(en)
Procedure for the obtaining of highly active isophers of hypertension ii and its analogs (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 2-amino-5-nitrotriazoles substituted in the amino group. (Machine-translation by Google Translate, not legally binding)