15. Total synthesis of (+)-elacomine and (-)-isoelacomine, two hitherto unnamed oxindole alkaloids from Elaeagnus commutata

Article abstract of DOI:10.1002/hlca.19960790116

Racemic elacomine ((±)-2), a hemiterpene spiro oxindole alkaloid from Elaeagnus commutata, was synthesized in five steps from 6-methoxytryptamine (19) in 16% overall yield (Scheme 3) The final oxidative rearrangement of the corresponding β-carboline precu