The Convenient Synthesis of 11-Methyl-3,8-disubstituted-12-aryl-3,4,7,8,9,12-hexahydro-1<i>H</i>-chromeno[2,3-<i>b</i>]quinoline-1,10(2<i>H</i>)-dione Derivatives
作者:Guang-Fan Han、Li-Jun Zhao、Li-Zhuang Chen、Jia-Wei Du、Zhong-Xia Wang
DOI:10.1002/jhet.1930
日期:2015.7
8‐disubstituted‐12‐aryl‐3,4,7,8,9,12‐hexahydro‐1H‐chromeno[2,3‐b]quinoline‐1,10(2H)‐dione derivatives 4 were obtained by Friedländer reaction of compounds 3 with 5‐substituted‐1,3‐cyclohexanedione, using p‐toluenesulfonic acid monohydrate as catalyst. The structures of all novel compounds were characterized by elemental analysis, IR, MS, and 1H NMR spectra. The crystal and molecular structure of compound
通过醛与3-氧代丁腈1之间的Knoevenagel缩合反应制得2-亚芳基-3-氧代丁腈衍生物2,该缩合反应是通过β-氨基丁烯腈的酸水解而获得的。3-乙酰-2-氨基-4 H-铬5-5(6 H)-1衍生物3是通过2-亚芳基3-氧代丁腈2和5-取代的1,3-环己二酮在乙二醇中的反应合成的。11-甲基-3,8-二取代-12-芳基-3,4,7,8,9,12-六氢-1 H -chromeno [2,3 - b ]喹啉-1,10(2 H)-二酮衍生物4通过化合物3的Friedländer反应获得用对甲苯磺酸一水合物作为催化剂的5取代1,3,3-环己二酮。所有新化合物的结构均通过元素分析,IR,MS和1 H NMR光谱进行了表征。化合物4f的晶体和分子结构已经通过单晶XRD分析确定。