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近红外水溶性不对称吲哚方酸菁染料的合成

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Indexed by:期刊论文

Date of Publication:2010-12-28

Journal:化学学报

Included Journals:SCIE、PKU、ISTIC、CSCD、Scopus

Volume:68

Issue:24

Page Number:2569-2573

ISSN No.:0567-7351

Key Words:固相合成;水溶性;不对称菁染料;方酸

Abstract:以吲哚啉季铵盐为原料,分别采用两步法和固相法合成了3种水溶性不对称吲哚方酸菁染料.两步法为将不同N-烷基取代的2,3,3-三甲基-3H-吲哚-5-磺酸季铵盐与方酸反应,再与另一种吲哚啉季铵盐反应制备不对称菁染料.固相法是用对氨基苯甲酸做桥连物,将方酸化学键连到高分子固相载体聚乙二醇上,然后与吲哚啉季铵盐杂环母核缩合制得带有固相高分子载体的半菁,再与另一吲哚啉季铵盐杂环母核反应切掉载体,合成不对称菁染料.产品用C-18反相柱进行分离提纯,通过核磁共振氢谱和质谱对产品结构进行了表征,测试了产品的光谱性能.比较而言,固相法合成不对称染料效果更好,产率接近传统两步法的二倍,是一种更适合的合成水溶性不对称吲哚方酸菁染料的方法.

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