Abstract
1. It has been shown that, in presence of alkali-metal alkoxides, dialkylphosphorous acids readily add to maleic acid and to maleic and fumaric esters. The addition products, have been obtained ,in good. yield (dialk-oxyphosphinylsuccinic acids and their eskers). 2. It As been shown that under the same conditions, dialkylphosphorous acids add to diethyl acetylenedicarboxylate, and the products formed by addition of two molecules of dialkylphosphorous acid [bis(dialkoxyphos-phinyl)succinic esters] have been isolated.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science
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