[BMIM] BF4: An efficient ionic liquid medium for one-pot of 1H-Imidazle-5(4H)-one derivatives

V.A. Rani, Y.B. Kumari


The environment-friendly one-pot condensation reaction of  (Z)-4-benzylidene-2-methyloxazol-5(4H)-one with phenylhydrazine and 4-((phenylimino)methyl)benzene-1-ylium in the presence of [BMIM] BF4 as medium at 80-85 oC for 1-1.5 hr to form 4-(benzylidene/substituted benzylidene)-N-aryl amino-2-(styryl/substituted styryl)-1H-imidazole-5(4H)-one compounds with good yields. The main advantage of this method have short reaction time, easy workup and good yields.

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DOI: http://dx.doi.org/10.17628/ecb.2020.9.345-348


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