A convenient general synthesis of 3-substituted 2H-chromene derivatives

被引:66
|
作者
Kaye, PT [1 ]
Nocanda, XW [1 ]
机构
[1] Rhodes Univ, Dept Chem, ZA-6140 Grahamstown, South Africa
关键词
D O I
10.1039/b201827f
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reactions of 2-hydroxybenzaldehydes and 2-hydroxy-1-naphthaldehydes with various activated alkenes under Baylis-Hillman conditions have been shown to proceed with regioselective cyclisation to afford the corresponding 3-substituted chromene derivatives. In some cases competitive dimerisation of the alkene component was observed, and direct dimerisation in the absence of the aldehyde has been explored.
引用
收藏
页码:1318 / 1323
页数:6
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