Improved synthesis of 2,2′-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives catalyzed by urea under ultrasound

被引：106
|
作者：
Li, Ji-Tai [1 ]
Li, Yan-Wei [1 ]
Song, Ya-Li [2 ]
Chen, Guo-Feng [1 ]
机构：
[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China
[2] Hebei Univ, Coll Pharmaceut, Baoding 071002, Peoples R China
来源：
ULTRASONICS SONOCHEMISTRY | 2012年 / 19卷 / 01期
关键词：
2,2'-Arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one); Synthesis; Condensation; Ultrasound; Catalysis; KNOEVENAGEL CONDENSATION; AROMATIC-ALDEHYDES; EFFICIENT SYNTHESIS; 5,5-DIMETHYL-1,3-CYCLOHEXANEDIONE; TETRAKETONES;
D O I：
10.1016/j.ultsonch.2011.05.001
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Synthesis of 2,2'-arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) derivatives catalyzed by urea via the condensation of aromatic aldehydes and 5,5-dimethyl-1,3-cyclohexanedione was carried out in 80-98% yields at 50 degrees C in aqueous media under ultrasound. This method provides several advantages such as environment friendliness, high yields and simple work-up procedure. (C) 2011 Elsevier B.V. All rights reserved.
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页码：1 / 4
页数：4
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