Nitriles in Heterocyclic Synthesis. Synthesis and Reactions of Pyrano[3,2-<i>h</i>]quinoline Derivatives
作者:Z. H. Khalil、A. A. Abdel-Hafez、A. A. Geies、A. M. Kamal El-Dean
DOI:10.1246/bcsj.64.668
日期:1991.2
8-Quinolinol reacts with cinnamonitrile derivatives in presence of a basic catalyst to afford pyrano[3,2-h]quinolines (3a–f). The reaction of 3a with reagents such as acetic anhydride/pyridine, formamide, formic acid/formamide, and carbon disulfide gave the fused heterotetracyclic systems pyrimido[4′,5′: 6,5]pyrano[3,2-h]quinolines.
8-喹啉醇在碱性催化剂存在下与肉桂腈衍生物反应,得到吡喃并[3,2-h]喹啉(3a-f)。3a与乙酸酐/吡啶、甲酰胺、甲酸/甲酰胺和二硫化碳等试剂反应得到稠合杂四环系统嘧啶[4',5':6,5]吡喃并[3,2-h]喹啉。