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ChemInform Abstract: An Efficient Synthesis of 3-Trifluoromethylated 1,2,4-Triazolium Salts.

✍ Scribed by Xianjun Liu; Jianping Zou; Yubo Fan; Quanrui Wang

Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

An Efficient Synthesis of 3-Trifluoromethylated 1,2,4-Triazolium Salts.

-An experimentally simple, convenient entry to CF 3 -containing 1,2,3,2,4-triazolium salts, which are not readily accessible by other methods, is reported. Starting from hydrazones (I) their treatment with tBuOCl gives azo compounds (II), which under treatment with nitriles and SbCl 5 produce the target salts (11 examples) via trifluoromethylated 1-aza-2-azoniaallene salts as reactive intermediates. -(LIU, XIANJUN; ZOU,

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