THE EFFECT OF FUSION OF ANGULAR STRAINED RINGS ON BENZENE - CRYSTAL-STRUCTURES OF 1,2-DIHYDROCYCLOBUTA[A]CYCLOPROPA[C]-, 1,2,3,4-TETRAHYDRODICYCLOBUTA[A,C]-, 1,2,3,4-TETRAHYDRODICYCLOBUTA[A,C]CYCLOPROPA[E]-, AND 1,2,3,4,5,6-HEXAHYDROTRICYCLOBUTA[A,C,E]BENZENE

被引：76

作者：

BOESE, R

BLASER, D

BILLUPS, WE

HALEY, MM

MAULITZ, AH

MOHLER, DL

VOLLHARDT, KPC

机构：

[1] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,DIV CHEM SCI,BERKELEY,CA 94720

[2] RICE UNIV,DEPT CHEM,HOUSTON,TX 77251

[3] UNIV GESAMTHSCH ESSEN,INST ANORGAN CHEM,D-45117 ESSEN,GERMANY

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1994年 / 33卷 / 03期

关键词：

D O I：

10.1002/anie.199403131

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Noticeable deformations of the benzene framework caused by annelation with strained rings are observed in the crystallographic studies on 1–4. These are the most strained benzene derivatives yet known. The angles at the sp2 carbon atoms in 1 and 3 indicated by an arrowhead are the largest known: 176.9 and 174.9°, respectively. Molecules 2 and 4 display a slight bond length alternation in the arene moiety (0.010–0.023 Å). (Figure Presented.) Copyright © 1994 by VCH Verlagsgesellschaft mbH, Germany

引用

页码：313 / 317

页数：5

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