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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Priority to ES395330ApriorityCriticalpatent/ES395330A1/en
Publication of ES395330A1publicationCriticalpatent/ES395330A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Hydrogenated Pyridines
(AREA)
Abstract
A procedure for obtaining new esters of D-threo-1-p-substituted phenyl-2-dichloroacetamidopropane-1,3-diols of formula: **(See formula)** where R1 is chlorine or bromine, R2 is hydrogen, chlorine, bromine, lower alkyl, phenyl or phenylalkyl, R3 is chlorine, bromine, lower alkyl, phenyl or phenylalkyl, R4 is nitro or methylsulfonyl and R5 is hydrogen or a group of formula: **(See formula)** where R1, R2 and R3 are those defined above, the procedure of which is to react a D-threo-1-p-phenyl substituted-2-dichloroacetamidopropane-1,3-diol of formula: **(See formula)** where R4 is as defined above, with a reactive derivative of a carboxylic acid of formula: **(See formula)** where R1, R2 and R3 are those defined above. (Machine-translation by Google Translate, not legally binding)
ES395330A1971-09-221971-09-22A procedure for the obtaining of new steres. (Machine-translation by Google Translate, not legally binding)
ExpiredES395330A1
(en)