COMPLEXATION WITH DIOL HOST COMPOUNDS .20. KINETICS OF DESOLVATION OF INCLUSION-COMPOUNDS OF 2,2'-BIS(2,7-DICHLORO-9-HYDROXY-9-FLUORENYL)BIPHENYL WITH 1,4-DIOXANE AND 1,3-DIOXOLANE

被引：15

作者：

CAIRA, MR

COETZEE, A

NASSIMBENI, LR

WEBER, E

WIERIG, A

机构：

[1] UNIV CAPE TOWN,DEPT CHEM,RONDEBOSCH 7700,SOUTH AFRICA

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

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1995年 / 02期

关键词：

D O I：

10.1039/p29950000281

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The structures of the inclusion compounds of 2,2'-bis(2.7-dichloro-9-hydroxy-9-fluorenyl)biphenyl with 1,4-dioxane and 1,3-dioxolane, with host:guest ratios of 1:3.5 and 1:2 respectively, have been elucidated. Their kinetics of desolvation have been studied and the dioxane inclusion compound desolvates in two distinct steps, each following the first-order kinetic model. The dioxolane inclusion compound desolvates in one step and follows a contracting area model. X-Ray powder photography shows that the dioxane inclusion compound forms a stable intermediate gamma-phase before final desolvation to a non-porous alpha-phase.

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页码：281 / 284

页数：4

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