Synthesis of 1,2,3,4-tetrahydroquinolines and 1,2,3,4-tetrahydro- 1,6-naphthyridines by a directed lithiation reaction
作者:J.Norman Reed、Judy Rotchford、Dean Strickland
DOI:10.1016/s0040-4039(00)82173-5
日期:1988.1
(7), are easily converted in a one pot reaction sequence into the N- (tert-butoxycarbonyl)-1,2,3,4-tetrahydroquinolines (8), by directedortholithiation followed by reaction with 1- chloro-3-iodopropane, hence providing a new versatile quinoline ring nucleus synthesis. In an analogous reaction 2-N-(tert-butoxycarbonyl)- and an 2-N-(pivaloylamino) pyridine are converted to 1,2,3,4-tetrahydro-1,6-