作者:Wolf-Rainer Abraham、Ludger Ernst、Hans-Adolf Arfmann
DOI:10.1016/0031-9422(90)80013-7
日期:——
Abstract Biotransformation of caryophyllene by Chaetomium cochliodes DSM 1909 (=ATCC 10195) leads to 4,5-epoxy-caryophyllene-7,12-diol as the main product. The hydroxylation of the geminal methyl groups is not very stereospecific, but as with Diploida gossypina the main product possesses the 11 R -configuration. Side-reactions are ring contraction or formation of clovanes, probably via epoxide rearrangements
摘要 Chaetomium cochliodes DSM 1909 (=ATCC 10195) 对石竹烯进行生物转化,主要产物为 4,5-epoxy-caryophyllene-7,12-diol。孪生甲基的羟基化不是很立体,但与棉二倍体一样,主要产物具有 11 R-构型。副反应是环收缩或形成丁二酮,可能是通过环氧化物重排。使用单或双环氧石竹烯作为底物不会显着增加产率。相反,双环氧-石竹烯产生了一种斑点蛋白衍生物。在棉双孢菌的发酵产物中观察到相同的分子框架,但具有不同的构型,这支持石竹烷是此类抗生素的前体的假设。