Preparation of 2,3-dihydro-1<i>H</i>,5<i>H</i>-pyrido[3,2,1-<i>ij</i>]quinoline-1,5-dione derivatives
作者:Stephen P. Stanforth
DOI:10.1002/jhet.5570420439
日期:2005.5
The 2,3-dihydro-7-methyl-1H,5H-pyrido[3,2,1-ij]quinoline-1,5-dione derivatives 9 and 10 were prepared from 3-(5,7-dimethoxy-4-methyl-2-oxo-2H-quinolin-1-yl)propionitrile (6). Cyclodehydration of the amide 8 gave 1,2-dihydro-7,9-dimethoxy-6-methylpyimido[1,2-a]quinolin-3-one (11).
的2,3-二氢-7-甲基-1- ħ,5 ħ吡啶并[3,2,1- IJ ]喹啉-1,5-二酮衍生物9和10,从3-(5,7-二甲氧基-制备4-甲基-2-氧-2- H-喹啉-1-基)丙腈(6)。酰胺8的环脱水作用得到1,2-二氢-7,9-二甲氧基-6-甲基嘧啶[1,2 - a ]喹啉-3-酮(11)。