Dibenzo[a,o]phenanthro[3,4-s]pycene, a configurationally stable double helicene:: Synthesis and determination of its conformation by NMR and GIAO calculations

被引：79

作者：

Peña, D

Cobas, A

Pérez, D

Guitián, E

Castedo, L

机构：

[1] Univ Santiago, Dept Quim Organ, Santiago De Compostela 15782, Spain

[2] Univ Santiago, Unidad Asociada, CSIC, Santiago De Compostela 15782, Spain

来源：

ORGANIC LETTERS | 2003年 / 5卷 / 11期

关键词：

D O I：

10.1021/ol034433t

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A double helicene formed by a pentahelicene and a heptahelicene with two rings in common was obtained by palladium-catalyzed cyclotrimerization of 3,4-didehydrophenanthrene and was characterized conformationally by NMR and GIAO calculations.

引用

页码：1863 / 1866

页数：4

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