Ding Jun-jie
2013
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
1-(Prop-2-yn-1-yl)-7,8-dihydroquinoline-2,5(1H,6H)-dione(4) was simply prepared from 1,3-cyclohexadione by a three-step reaction of imidization,Michael reaction-intermolecular cyclization and alkylation.Two configuration stereo-isomers of 4 were isolated by chemical technology.The structures were confirmed by 1H NMR,HR-MS and 2D NMR.