The directed ortho metalation connection to aryl-aryl cross coupling.A general regiospecific synthesis of phenanthrols
作者:J.-m. Fu、M.J. Sharp、V. Snieckus
DOI:10.1016/s0040-4039(00)80786-8
日期:1988.1
A general directed metalation-based cross coupling synthesis of phenanthrols 4 has been developed (Scheme 1); reactions of derived triflates and carbamates 10 lead to a variety of substituted phenanthrenes 7 → 12 (Scheme 2).