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Sandoz AG
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Procedimiento para preparar derivados del ácido oxámico de fórmula I **fórmula** en donde R1 es hidrógeno o alquilo de 1 a 10 átomos de carbono, R2 es cloro o un grupo alcoxi de 1 a 4 átomos de carbono o R1 y r2 , juntas son un radical. -(CH2)m-, en donde m es 3 o 4 y las sales de los ácidos de fórmula I, caracterizado porque comprende hidrolizar compuestos de fórmula IV **fórmula** en donde R5 es un grupo alquilo de 1 a 4 átomos de carbono o un radical fenilo que puede estar sustituido facultativamente por cloro, bromo , alquilo o alcoxi de 1 a 4 átomos de carbono, y, si se desea, se convierten los ácidos resultantes de fórmula IB en sus sales.
ES478666A1977-06-281979-03-15Procedimiento para preparar derivados del acido oxamico.
ExpiredES478666A1
(es)