The enantiomerically pure cis-1,2-diol 2, which is obtained by microbial oxidation of toluene, has been converted, via a sequence of reactions including high-pressure promoted DielsâAlder cycloaddition and oxa-di-Ï-methane rearrangement steps, into the triquinane (â)-hirsutene (1).
通过一系列反应,包括高压促进的Diels-Alder环加成和oxa-di-π-
甲烷重排步骤,从
甲苯的微
生物氧化得到的对映纯顺式-1,2
-二醇2已经转化为三
环庚烷(-)-
毛壳素1。