Abstract
A Facile and Efficient Tamarind Juice Catalyzed One- Pot Synthesis of Benzopyranopyrimidines in Aqueous Medium Just by Grinding: A Green Chemistry Approach
Y. I. Shaikh1*
, S. S. Shaikh2, Khursheed Ahmed1, G. M. Nazeruddin1and V. S. Shaikh3
DOI : http://dx.doi.org/10.13005/ojc/360308
Abstract:
A comprehensive and efficient Tamarind (Tamarindous indica) juice catalysed one pot synthesis of benzopyranopyrimidines in aqueous medium through condensation of 4-Hydroxy-coumarin (10mmol), various substituted benzaldehydes (10mmol)) and urea/thiourea (20mmol) just by grinding at ambient condition is reported in excellent yield of the product. This is a green chemistry approach, which is need of the hour.
Keywords:Benzopyranopyrimidine; Multi-Component Reaction; Grinding Technique (Green Chemistry); Tamarind Juice
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