A practical regiospecific approach towards acronycine and related alkaloids
Abstract
Highly regiospecific prenylation of 3,5-dimethoxyacetanilide and cyclization of 2-[3,5-dimethoxy-2-(3-methylbut-2-enyl)]aminobenzoic acid 6 under mild conditions in high yields provides a practical and flexible synthesis of acronycine, glycocitrine-II and des-N-methylacronycine.