作者:Pelayo Camps、Andrés E Lukach、Santiago Vázquez
DOI:10.1016/s0040-4020(01)00096-5
日期:2001.3
skeleton is shown by: (i) the easy homoketonization of tricyclo[3.3.0.03,7]octane-1,5-diol, 2a, to exo-7-hydroxy-cis-bicyclo[3.3.0]octan-3-one, 3a, under silica gel column chromatography, and (ii) the cleavage of the C3–C7 bond of 1,5-dimethyl-3,7-dipivaloyltricyclo[3.3.0.03,7]octane, 9, to give bicyclo[3.3.0]octane diketones, under attempted SmI2-intramolecular pinacolization. In contrast, 2a was obtained
(I)三环的易homoketonization [3.3.0.0:所述bisnoradamantane骨架的应变由所示3,7 ]辛烷-1,5-二醇,2A,至外切-7-羟基-顺式-二环[3.3.0 ] octan-3-one,3a,在硅胶柱色谱上,和(ii)裂解1,5-二甲基-3,7-二戊酰三环[3.3.0.0 3,7 ]辛烷9的C3-C7键,在尝试的SmI 2-分子内松花作用下得到双环[3.3.0]辛烷二酮。与此相反,图2a是通过SMI得到2顺-双环[3.3.0]辛烷-3,7-二酮,的-pinacolization 1A。