Highly efficient approach to (+)-grandisol via a diastereoselective |2+2| Photocycloaddition to 2(5H)-furanones
作者:Ramón Alibés、José L. Bourdelande、Josep Font
DOI:10.1016/s0040-4039(00)60151-x
日期:1993.11
A new approach to (+) and (-)-grandisol is described through a diastereoselective photocycloaddition of ethylene to an easily available homochiral butenolide. Optically pure intermediates are obtained.