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Sandoz AG
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Sandoz AG
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Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES471124A1publicationCriticalpatent/ES471124A1/en
Procedure for preparing oxamic acid derivatives, of formula Ia, ** (Formula) ** where R1 is hydrogen or alkyl of 1 to 10 carbon atoms, R2 is chlorine or an alkoxy group of 1 to 4 carbon atoms or R1 and R2, together, are a radical - (CH2) m-, m is 3 or 4, and R3 is an alkoxy group of 1 to 4 carbon atoms. (Machine-translation by Google Translate, not legally binding)
ES471124A1977-06-281978-06-26Procedure for preparing oxamic acid derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES471124A1
(en)