Short Asymmetric Synthesis of (−)- and (+)-<i>cis</i>-Lauthisan
作者:M. Carmen Carreño、Renaud Des Mazery、Antonio Urbano、Françoise Colobert、Guy Solladié
DOI:10.1021/ol050620a
日期:2005.5.1
The asymmetricsynthesis of both enantiomers of cis-lauthisan (3) is achieved in only six steps from diethyl pimelate (4), the key steps being the diastereodivergent reduction of beta-ketosulfoxide 7 and the highly cis-stereoselective Et(3)SiH/TMSOTf-promoted reductive cyclization of enantiopure hydroxy sulfinyl ketones (S)-14 and (R)-14.