SYNTHESIS AND MOLECULAR-STRUCTURE OF [7]CIRCULENE

被引:121
作者
YAMAMOTO, K [1 ]
HARADA, T [1 ]
OKAMOTO, Y [1 ]
CHIKAMATSU, H [1 ]
NAKAZAKI, M [1 ]
KAI, Y [1 ]
NAKAO, T [1 ]
TANAKA, M [1 ]
HARADA, S [1 ]
KASAI, N [1 ]
机构
[1] OSAKA UNIV,FAC ENGN,DEPT APPL CHEM,SUITA,OSAKA 565,JAPAN
关键词
MOLECULES - Structure - ORGANIC COMPOUNDS - Synthesis;
D O I
10.1021/ja00219a036
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The polycyclic aromatic compound with a circular arrangement of seven benzene rings, circulene was prepared by treatment of 1,16-dehydro-2,15-diformylhexahelicene with low-valent titanium. Its unusual saddle-shaped structure with C//2 symmetry was supported by its X-ray analysis. Preparation, X-ray analysis, and optical stability of dehydro circulene derivatives were also reported.
引用
收藏
页码:3578 / 3584
页数:7
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