The synthesis of three derivatives of phenylbutazone with a hydroxy group in the butyl side chain is described, among them γ-hydroxy-phenylbutazone [1, 2-diphenyl-4-(γ-hydroxy-n-butyl)-pyrazolidine-3,5-dione] (IV), the laevo-rotatory isomer of which is one of the metabolites of phenylbutazone in man.
描述了在丁基侧链上带有羟基的苯基丁a的三种衍
生物的合成,其中包括γ-羟基苯基丁a [1,2
-二苯基-4-(γ-羟基-正丁基)-
吡唑烷-3,5 -二酮](IV),其旋转异构体是人体内苯基丁a的代谢产物之一。