Dicationic 1,3-Bis

Dicationic 1,3-Bis

We disclose synthesis of a novel dicationic 1,3-bis(1-methyl-1H-imidazol-3-ium) propane copper(I) dibromate [Bis-(MIM)](CuBr.sub.2)] and explored its potential as a heterogeneous catalyst in 1,3-dipolar cycloaddition for regioselective synthesis of 1, 4-disubstituted-1,2,3- triazoles in excellent yi...

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Bibliographic Details
Published in:Catalysis letters Vol. 147; no. 2; pp. 301 - 309
Main Authors: Dige, Nilam C, Patil, Jayavant D, Pore, Dattaprasad M
Format: Journal Article
Language:English
Published: Springer 01-02-2017
Subjects:
Alkynes
Catalysts
Copper (Metal)
Green chemistry
Propane
Triazoles
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Summary:We disclose synthesis of a novel dicationic 1,3-bis(1-methyl-1H-imidazol-3-ium) propane copper(I) dibromate [Bis-(MIM)](CuBr.sub.2)] and explored its potential as a heterogeneous catalyst in 1,3-dipolar cycloaddition for regioselective synthesis of 1, 4-disubstituted-1,2,3- triazoles in excellent yields in ethanol: water (60:40%) system at 80°C. The noteworthy feature of the protocol includes in situ generation of aryl azides by azotisation of aryl as well as alkyl halides with sodium azide thereby enduring facile 1,3-dipolar cycloaddition with terminal alkynes.
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-016-1942-z