Synthesis of unsymmetrical sulfides catalyzed by n-tetrabutyl-ammonium tribromide: A selective fluorescence probe for mercury ion

被引：9

作者：

Dar, Ajaz A. ^{[1
]}

Ali, Shahzad ^{[1
]}

Ghosh, Arindam ^{[1
]}

Khan, Abu T. ^{[1
,2
]}

Dwivedi, Atul K. ^{[1
]}

Iyer, Parameswar K. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Chem, Gauhati 781039, Assam, India

[2] Aliah Univ, Kolkata 700091, W Bengal, India

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2014年 / 193卷

关键词：

2-Naphthoquinone-1-methide; 2-Naphthol; Aromatic aldehydes; Thiols; n-tetrabutylammonium tribromide(TBATB) and Hg(II) sensor; O-QUINONE METHIDES; EFFICIENT CHEMOSELECTIVE REAGENT; ENVIRONMENTALLY BENIGN SYNTHESIS; CARBONYL-COMPOUNDS; CROSS-LINKING; TURN-ON; GENERATION; CONVENIENT; SENSOR; WATER;

D O I：

10.1016/j.snb.2013.11.099

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A wide variety of unsymmetrical sulfides can be synthesized by trapping 2-naphthoquinone-1-methide intermediates, which are generated in situ from 2-naphthol and aromatic aldehydes, with thiols in presence of catalytic amount of n-tetrabutylammonium tribromide (TBATB). Mild reaction conditions, good yields and no dithioacetal formation as well as formation of brominated product are some of the salient features of the present protocol. Interestingly, the synthesized unsymmetrical sulfide 4aa can be used as selective fluorescence probe for mercury(II) ion. (C) 2013 Elsevier B. V. All rights reserved.

引用

页码：509 / 514

页数：6

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