Syntheses of 6-substituted 7,8,9,10-tetrahydrophenanthridin-7-ones through sulfur extrusion.
作者:KEIZO MATSUO、MASANOBU OHTA、KUNIYOSHI TANAKA
DOI:10.1248/cpb.33.4063
日期:——
6-Substituted 7, 8, 9, 10-tetrahydrophenanthridin-7-ones were synthesized by dehydrative cyclization and concomitant sulfur extrusion of 3-(2-acylaminophenylthio)-2-cyclohexen-1-ones with polyphosphoric acid.