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One-pot synthesis of 2-aminobenzothiazoles using a new reagent of [bmim]br3 in [bmim]BF4

✍ Scribed by Zhang-Gao Le; Jian-Ping Xu; Huo-Yu Rao; Min Ying

Publisher
Journal of Heterocyclic Chemistry
Year
2006
Tongue
English
Weight
41 KB
Volume
43
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

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The one‐pot direct synthesis of 2‐aminobenzothiazoles from phenyl isothiocyanate and amines using a new reagent of 1‐butyl‐3‐methylimidazolium tribromide ([Bmim]Br~3~) in ionic liquid 1‐butyl‐3‐methylimidazolium tetraflouoroborate ([Bmim]BF~4~) is described.

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An efficient one-pot procedure for the preparation of 1,3,4-thiadiazoles in ionic liquid [bmim]BF4 as dual solvent and catalyst
✍ Shahnaz Rostamizadeh; Reza Aryan; Hamid R. Ghaieni; Ali M. Amani 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 125 KB 👁 1 views

## Abstract The one‐pot three component condensation of hydrazine hydrate with substituted phenylisothiocyanates followed by the addition of substituted benzaldehydes in the presence of ionic liquid 1‐butyl‐3‐methylimidazolium tetrafluoroborate ([bmim]BF~4~) and in the absence of any other catalyst