A Green Synthetic Strategy for Pyrazolo[1,5-a]pyrimidin7(4H)-one Derivatives by the Reaction of Aminopyrazoles and Symmetric/Non-symmetric Alkynes Assisted by KHSO4 in Aqueous Media. - Das, Susma; Sangma, Tara Rangrime A.; Marpna, Labet Bankynmaw; Vishwakarma, Jai N. (Periodica Polytechnica: Chemical Engineering, 2024)