Enantiospecific, stereospecific total synthesis of (+)-majvinine, (+)-10-methoxyaffinisine, and (+)-Na-methylsarpagine as well as the total synthesis of the Alstonia bisindole macralstonidine

[GRAPHICS] The enantiospecific stereospecific total synthesis of majvinine la, 10-methoxyaffinisine 1b, and N-a-methylsarpagine 1c are reported; this method has also resulted in the total synthesis of the Alstonia bisindole macralstonidine 2.