ES383524A1 - A process for obtaining 2-carbetoxy-3-cyanomethyl-4-hydroxy-4-butirolactone. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A process for obtaining 2-carbetoxy-3-cyanomethyl-4-hydroxy-4-butirolactone. (Machine-translation by Google Translate, not legally binding)
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Laboratorios Made SA
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Laboratorios Made SA
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Priority to ES383524ApriorityCriticalpatent/ES383524A1/en
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
A process for obtaining 2-carbethoxy-5-cyanomethyl-4-hydroxy-4-butyrolactone of the formula: ** (see formula) ** Characterized by a michael addition of ethyl malonate to 4,4-diethoxytronitrile, in basic medium, followed by hydrolysis of the resulting product. (Machine-translation by Google Translate, not legally binding)
ES383524A1970-09-101970-09-10A process for obtaining 2-carbetoxy-3-cyanomethyl-4-hydroxy-4-butirolactone. (Machine-translation by Google Translate, not legally binding)
ExpiredES383524A1
(en)
Procedure for obtaining a new derivative of the 3,4,5 trimetoxibenzoic acid and its salts. (Machine-translation by Google Translate, not legally binding)