Helical and Flat Structures from Chiral Dendronized Rectangular Oligo(phenylene ethynylene)s

被引：21

作者：

Garcia, Fatima ^{[1
]}

Aparicio, Fatima ^{[1
]}

Marenchino, Marco ^{[2
]}

Campos-Olivas, Ramon ^{[2
]}

Sanchez, Luis ^{[1
]}

机构：

[1] Univ Complutense Madrid, Fac Ciencias Quim, Dept Quim Organ, E-28040 Madrid, Spain

[2] CNIO, Struct & Computat Biol Programme, E-28029 Madrid, Spain

来源：

ORGANIC LETTERS | 2010年 / 12卷 / 19期

关键词：

MOLECULAR CHIRALITY; AMPLIFICATION; ARCHITECTURES;

D O I：

10.1021/ol101673z

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The synthesis of two chiral amphiphiles and their self-assembling features in solution and onto surfaces is reported. The different degree of interdigitation of the paraffinic substituents has an enormous influence in the chirality of the aggregates. Thus, while oligo(phenylene ethynylene) 1 shows a bisignated Cotton effect in solution and P-type helices onto surfaces, compound 2 lacks in any dichroic response at room temperature and self-assembles into flat ribbons.

引用

页码：4264 / 4267

页数：4

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