Enantioselective total syntheses of the novel tricyclic sesquiterpene hydrocarbons (+)- and (−)-kelsoene. Absolute configuration of the natural product
作者:Goverdhan Mehta、K Srinivas
DOI:10.1016/s0040-4039(01)00288-x
日期:2001.4
lipase-catalysed kinetic resolution of endo,endo–cis-bicyclo[3.3.0]octane-2,6-diol rac-3 has provided ready access to bicyclo[3.3.0]octane-2,6-diones (−)-2 and (+)-2 of high enantiomeric purity. These C2-symmetric diones have been further elaborated to the sesquiterpene hydrocarbon (+)-kelsoene 1 and ent-kelsoene (−)-1, respectively, thereby establishing the absoluteconfiguration of the natural product