INTRAANNULARLY AND EXTRAANNULARLY FUNCTIONALIZED [2.2.2]PHANES - SYNTHESES AND PROPERTIES

被引：12

作者：

KNOPS, P ^{[1
]}

VOGTLE, F ^{[1
]}

机构：

[1] UNIV BONN,INST ORGAN CHEM,GERHARD DOMAGK STR 1,W-5300 BONN 1,GERMANY

来源：

CHEMISCHE BERICHTE | 1991年 / 124卷 / 05期

关键词：

CESIUM EFFECT; CLATHRATE; CYCLOPHANES; ACETYLENE; DIPHENYL; RIGID-GROUP PRINCIPLE; TOLANE;

D O I：

10.1002/cber.19911240540

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The severely strained new cyclophanes 7b-f, consisting of bridged tolane subunits and bearing intraannular substituents R, were prepared mainly to study steric interactions of R with the "pi cloud" of the triple bond. These compounds exist in a rigid twisted conformation, whereas the unsubstituted reference compound 7a and the extraannularly functionalized azo compound 9 show C2 symmetry. 9 forms a 1:1 clathrate with toluene.

引用

页码：1223 / 1227

页数：5

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