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Journals / Journal of the Turkish Chemical Society Section A: Chemistry / 2016 / Cilt: 3 - Sayı: 1

Synthesis of Guanidines via Reaction of Amines with Carbodiimides in the Presence of Ionic Liquid

Foad Shaghayeghi Toosi

Pages
19–26
DOI
—

Abstract

Different ionic liquids (ILs) were synthesized and evaluated for the preparation of substituted guanidines from the reaction of amines and carbodiimides. 1-methylimidazolium tetrafluoroborate [HMIm]BF4 was found to be the best ionic liquid for this reaction. This IL acted as a promoter for the addition of primary and secondary amines to carbodiimides. By this efficient approach, various guanidines were prepared in excellent yields.