An organocatalytic rearrangement of 2-(N-alkyl-/aryl-)amino-4-oxo-4H-1-benzopyran-3-carbaldehyde

被引:4
|
作者
Maiti, Sourav [1 ]
Panja, Suman Kalyan [1 ]
Bandyopadhyay, Chandrakanta [1 ]
机构
[1] RK Mission Vivekananda Centenary Coll, Dept Chem, Kolkata 700118, W Bengal, India
关键词
Rearrangement; Organocatalysis; Chromone-3-carbanilide; 2-Aminochromone-3-carbaldehyde; Chroman-2,4-dione; 1-Benzopyran; 2-(N-METHYLANILINO)-3-FORMYLCHROMONE;
D O I
10.1016/j.tetlet.2011.02.053
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
2-(Arylamino)-4-oxo-4H-1-benzopyran-3-carbaldehyde rearranges to 4-oxo-4H-1-benzopyran-3-carbanilide when treated with glycine in the presence of formalin, but under similar conditions 2-(alkylamino)-4-oxo-4H-1-benzopyran-3-carbaldehyde rearranges to 3-alkylaminomethylenechroman-2,4-dione. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1946 / 1948
页数:3
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