A cleft type receptor which combines an oxyanion hole with electrostatic interactions

被引:3
作者
Rubio, Omayra H. [1 ]
del Mazo, Sara [1 ]
Monleon, Laura M. [1 ]
Simon, Luis [2 ]
Temprano, Alvaro G. [3 ]
Moran, Joaquin R. [1 ]
机构
[1] Univ Salamanca, Organ Chem Dept, Plaza Caidos 1-5, E-37008 Salamanca, Spain
[2] Univ Salamanca, Chem Engn Dept, Salamanca, Spain
[3] Univ Salamanca, Xray Diffract Serv, Salamanca, Spain
关键词
ASYMMETRIC MICHAEL ADDITION; ANION-BINDING PROPERTIES; DIELS-ALDER REACTIONS; MOLECULAR RECOGNITION; BIFUNCTIONAL ORGANOCATALYSTS; TRANSITION-STATE; METAL-FREE; THIOUREA; MECHANISM; CATALYSIS;
D O I
10.1039/c7ob00679a
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A receptor for carboxylic acids which combines an oxyanion-hole structure with electrostatic forces has been prepared. X-ray diffraction studies have been carried out to evaluate the geometry of both the free receptor and its associated species with several carboxylic acids and many different arrangements have been discovered for the H-bond pattern in the associated species.
引用
收藏
页码:4571 / 4578
页数:8
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