A CONVENIENT METHOD FOR THE PREPARATION OF 6-SUBSTITUTED 7,8,9,10-TETRAHYDROPHENANTHRIDIN-7-ONES
作者:Keizo Matsuo、Masanobu Ohta、Kuniyoshi Tanaka
DOI:10.1246/cl.1985.291
日期:1985.3.5
6-Substituted 7,8,9,10-tetrahydrophenanthridin-7-one system was prepared from 3-(2-acylaminophenylthio)cyclohex-2-enones by dehydrative cyclization and concomitant sulfur extrusion with polyphosphoric acid in a single operation.