SYNTHESIS, STRUCTURE, AND EXCIMER FORMATION OF VESICULAR ASSEMBLIES CARRYING 1-NAPHTHYL OR 2-NAPHTHYL CHROMOPHORES

被引：10

作者：

SISIDO, M

SATO, Y

SASAKI, H

IMANISHI, Y

机构：

[1] KYOTO UNIV,MED POLYMERS & BIOMAT RES CTR,KYOTO 606,JAPAN

[2] KYOTO UNIV,DEPT POLYMER CHEM,KYOTO 606,JAPAN

来源：

LANGMUIR | 1990年 / 6卷 / 01期

关键词：

D O I：

10.1021/la00091a028

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New chromophoric amphiphiles consisting of optically active 1- or 2-naphthylalanines, each carrying two long alkyl chains and an ammonium ion, were synthesized. These amphiphiles were found to form vesicular structures in aqueous dispersion, and those having two octadecyl chains showed a gel-liquid crystalline transition around room temperature. UV and CD spectra showed exciton-type interactions for the 2-naphthyl amphiphiles in a high-energy excited state but no dimers or higher aggregates of the naphthyl groups in the ground state. Fluorescence spectra showed monomer and excimer emissions. The circularly polarized fluorescence spectra showed a positive signal at the excimer emission, indicating a chiral excimer configuration. © 1990, American Chemical Society. All rights reserved.

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页码：177 / 182

页数：6

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