Highly regioselective 7-endo-aryl radical cyclisation: synthesis of octahydro-2H-dibenzo[a,d]cycloheptenes
作者:Ajit K. Ghosh、Keya Ghosh、Sitaram Pal、Usha Ranjan Chatak
DOI:10.1039/c39930000809
日期:——
A highly efficient 7-endo-trig-aryl radical cyclisation of the alkene 6 and the vinylcyclohexanols 11a–d with tri-n-butyltin hydride leading to the respective octahydro-2H-dibenzo[a,d]cycloheptene derivatives 7 and 8 and 12a–d is reported.