Benzannulation of podocarpic acid derivatives via directed ortho metallation and lithium-copper(I) transmetallation
作者:Richard C. Cambie、John H.M. Hill、Peter S. Rutledge、Ralph J. Stevenson、Paul D. Woodgate
DOI:10.1016/0022-328x(94)84042-3
日期:1994.7
Three podocarpicacid (1) derivatives have been converted into benzannulated derivatives via directed ortho metallation followed by lithium-copper(I) transmetallation, alkylation and cyclization.