A Diastereoselective Unique Route to Cyclopropanes Functionalized at All Three Ring Carbon Atoms from Acyclic Vinyl Sulfone-Modified Carbohydrates
作者:Ananta Kumar Atta、Tanmaya Pathak
DOI:10.1021/jo802709q
日期:2009.4.3
In a departure from the current trend of using metal-catalyzed routes to cyclopropanation, pentosyl and hexosyl vinylsulfone-modifiedcarbohydrates having the terminal double bond and a suitably positioned leaving group are reacted in a stereoselective fashion with a series of nucleophiles to yield a myriad of cyclopropanes substituted at all three ring carbon atoms.