READILY AVAILABLE CHROMENONE RECEPTORS FOR CARBOXYLATES

被引:30
作者
RAPOSO, C
CREGO, M
MUSSONS, ML
CABALLERO, MC
MORAN, JR
机构
[1] Departamento de Química Orgánica Universidad de Salamanca, E-37008 Salamanca
关键词
D O I
10.1016/S0040-4039(00)76921-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Several carboxylate group receptors able to bind syn and anti electron lone pairs have been prepared making use of an aminochromenone fragment. Symmetric ureas and sulfuryl amides permit the establishment of four linear hydrogen bonds with the carboxylate. The flat geometry of the sulfuryl amides complexes and the higher acidity of their hydrogens yield the best association constants.
引用
收藏
页码:3409 / 3410
页数:2
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