Synthese d'alkyl-1 bicyclo [2.2.2] octene-5one-2 a partir de methoxy-7 bicyclo [2.2.2] octene-5one-2. Synthese d'allyl-3 bicyclo [3.3.0] octanone-3 a partir d'allyl-3 bicyclo [2.2.2] octene-5one-2
合成d'烷基-1双环[2.2.2]辛烯-5one-2和部分脱甲氧基-7双环[2.2.2]辛烯-5one-2。合成 d'allyl-3 bicyclo[3.3.0]octene-3 a partir d'allyl-3 bicyclo[2.2.2] octene-5one-2
Rearrangement Approaches to Cyclic Skeletons. XI. Chemoenzymatic Preparation of Chiral Bridged Compounds for Rearrangement Approaches
作者:Tadao Uyehara、Miyuki Ishikawa、Fumi Iikura、Noriko Yoneta、Masako Ueno、Toshio Sato
DOI:10.1246/bcsj.70.477
日期:1997.2
Both enantiomers of 1-methoxybicyclo[2.2.2]oct-5-en-2-ones were prepared in more than 80%ee on the basis of a chemoenzymatic reaction sequence. The optical resolution was achieved by the enantioselective hydrolysis of chloroacetyl esters 1-methoxybicyclo[2.2.2]oct-5-en-endo-2-ols using commercially available lipases.