Intermolecular transaminations of enaminones: a synthesis of fused, polycyclic, N-aryl pyridones
作者:Richard J. Friary、Vera Seidl、John H. Schwerdt、Tze-Ming Chan、Marvin P. Cohen、Edward R. Conklin、Timothy Duelfer、Donald Hou、Mehdi Nafissi、Robert L. Runkle、Pirouz Tahbaz、Robert L. Tiberi、Andrew T. Mc Phail
DOI:10.1016/s0040-4020(01)87197-0
日期:1993.8
Aryl amines reacted with enaminones like (2-chloro-3-pyridinyl)[2-(1-pyrrolidinyl)-1-cyclopenten-1-yl]methanone, and the transaminated products cyclized to aryl-substituted pyridones like 6,7,8,9-tetrahydro-9-phenyl-5H-cyclopenta[b][1,8]naphthyridin-5-one. The starting enaminones rearranged thermally, also forming pyridones, for example 9-(4-chlorobutyl)-6,7,8,9-tetrahydro-5H-cyclopenta[b][1,8]naphthyridin-5-one.