Preparation of (+)-Tricyclo[6.2.1.0<sup>2,7</sup>]undec-2(7)-en-3-one and Its Conversion into (+)-<i>epi</i>-<i>β</i>-Santalene
作者:Takashi Kamikubo、Kunio Ogasawara
DOI:10.1246/cl.1995.95
日期:1995.2
Optically pure (+)-tricyclo[6.2.1.02,7]undec-2(7)-en-3-one was first prepared from (+)-tricyclo[6.2.1.02,7]undeca-4,9-dien-3-one in four steps. Conjugated addition occurred selectively from the methano-bridge side to give the 1,4-adduct which was converted into natural (+)-epi-β-santalene.