摘要:
A stereoselective synthesis of (+)-20R-dihydrocleavamine, an alkaloid from Pandaca eusepala and Tabernamontana eglandulose, has been developed using an enantiopure tricyclic ketone accessible from a meso precursor by employing a photo-[2+2]-cycloreversion reaction as the key step. (C) 2001 Elsevier Science Ltd. All rights reserved.