Facile cyclization of 2-arylethynyl aniline to 4(1H)-cinnolones: a new chemodosimeter for nitrite ions

被引：19

作者：

Dey, Raju ^{[1
]}

Chatterjee, Tanmay ^{[1
]}

Ranu, Brindaban C. ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Organ Chem, Kolkata 700032, India

来源：

TETRAHEDRON LETTERS | 2011年 / 52卷 / 03期

关键词：

Cinnolone; Chemodosimeter; Detection of nitrite ion; Arylethynyl aniline; COLORIMETRIC NITRITE; NITRATE; CINNOLINES;

D O I：

10.1016/j.tetlet.2010.11.098

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

2-Arylethynyl anilines undergo very fast reaction (5 min) with nitrite ions in aqueous acidic media to produce 4(1H)-cinnolones which exhibit yellow color and UV absorbance at 391 nm. This reaction is irreversible and has been successfully tested for the detection of nitrite ions in water at ppm concentration. Thus, 2-phenylethynyl aniline serves as a chemodosimeter. An efficient and general method for the synthesis of 4(1H)-cinnolones has been developed based on this reaction. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：461 / 464

页数：4

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