Studies of hypolipidemic agents. 1. Synthesis and hypolipidemic activities of alkoxycinnamic acid derivatives

Abstract
More than 110 derivatives of alkoxycinnamic acids were synthesized and their hypolipidemic activities were evaluated in a screening system with rats. Cinnamic acids, .alpha.-methylcinnamic acids, and their various esters with a higher p-alkoxy substituent possessed hypolipidemic activities higher than or comparable to that of clofibrate. The proper length (C12-C16) and the para position of the alkoxy substituent seem essential for activity. Chloroethyl and methacryloxyethyl esters and monoglycerides of some active p-alkoxycinnamic acids were more active than the corresponding free acids.

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