COMPLEX-FORMATION BETWEEN NAPHTHALENE AND DIMETHYL-BETA-CYCLODEXTRIN BY HEATING IN A SEALED AMPOULE

被引：9

作者：

KAWASHIMA, H ^{[1
]}

YONEMOCHI, E ^{[1
]}

OGUCHI, T ^{[1
]}

YAMAMOTO, K ^{[1
]}

机构：

[1] CHIBA UNIV,FAC PHARMACEUT SCI,INAGE KU,CHIBA 263,JAPAN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1994年 / 90卷 / 20期

关键词：

D O I：

10.1039/ft9949003117

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

An equimolar mixture of naphthalene and amorphous heptakis-(2,6-di-O-methyl)-beta-cyclodextrin (DM beta CD) has been heated in a sealed container at 70 degrees C. The naphthalene-DM beta CD complex was different from the inclusion complex obtained by coprecipitation. Two types of the complex were obtained by 'sealed-heating' at different temperatures: heating the mixture at 60-80 degrees C gave a complex that showed excimer emission of naphthalene at 390 nm, whilst heating the mixture above 90 degrees C gave a complex that exhibited monomer emission of naphthalene at 341 nm. It was also possible to differentiate between the two forms of the complex by powder X-ray diffraction and thermal analysis.

引用

页码：3117 / 3119

页数：3

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