Direct stereo- and enantiocontrolled synthesis of vicinal stereogenic quaternary carbon centers. Total syntheses of meso- and (-)-chimonanthine and (+)-calycanthine
Ae. Overman et al., Direct stereo- and enantiocontrolled synthesis of vicinal stereogenic quaternary carbon centers. Total syntheses of meso- and (-)-chimonanthine and (+)-calycanthine, J AM CHEM S, 121(33), 1999, pp. 7702-7703