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An efficient and green methodology for syntheses of various styryl-pyrazoles (3) from the reaction of 2-(5-phenyl-1H-pyrazol-3-yl)acetonitriles (1) with substituted benzaldehydes (2) by the use of biodegradable, nonhazardous, naturally occurring, and inexpensive choline chloride and NaOH under an environmentally benign medium has been described.
The authors are thankful to the director of CSIR-CIMAP for his kind support.
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