TRIARYLMETHANOL HOSTS AND ANALOGS .9. CRYSTALLINE ALCOHOLIC INCLUSIONS OF SINGLY-BRIDGED TRIARYLMETHANOL HOSTS - SYNTHESIS, X-RAY CRYSTAL-STRUCTURES AND BINDING MODES OF 5 INCLUSION-COMPOUNDS

被引：14

作者：

CSOREGH, I ^{[1
]}

GALLARDO, O ^{[1
]}

WEBER, E ^{[1
]}

DORPINGHAUS, N ^{[1
]}

机构：

[1] TECH UNIV FREIBERG,BERGAKAD FREIBERG,INST ORGAN CHEM,D-09596 FREIBERG,GERMANY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1994年 / 02期

关键词：

D O I：

10.1039/p29940000303

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Five alcoholic inclusion compounds of singly-bridged triarylmethanol hosts have been synthesized and investigated by X-ray diffraction. In four cases recognition of the alcoholic guest by the host is characterized by a coupled system of hydrogen bonds in the form of closed loops. The centrosymmetric hydrogen-bonded rings, with full hydrogen bond saturation, are created by four -OH groups belonging to two host and two guest molecules. in the fifth complex, however, 'anomalous' hydrogen-bonded 2:1 host:guest associates are formed without full saturation of hydrogen bonds. In the crystals the hydrogen-bonded units are held together mostly by ordinary Van der Waals' forces, occasionally supported by electrostatic C-H ... O interactions.

引用

页码：303 / 308

页数：6

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