Catalyst-free ultrasound assisted novel one pot pseudo five component synthesis of aryl-bis-[1H-pyrazol-5-ol-4-yl]methanes,het(aryl)-bis-[1H-pyrazol-5-ol-4-yl]methanes and their 1-phenyl derivatives in aqueous medium

作     者：Sudha S Mohamed Afzal Pasha 

作者机构：Department of Chemistry and BiochemistryJyoti Nivas College AutonomousBengaluru 560095India Department of Studies in ChemistryJnanabharathi CampusBangalore UniversityBengaluru 560056India 

出 版 物：《Green Synthesis and Catalysis》 (绿色合成与催化(英文))

年 卷 期：2022年第3卷第2期

页      面：190-193页

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：Dr.Mohamed Afzal Pasha acknowledges the University Grants Commission(UGC) New Delhi INDIA for the BSR Faculty Fellowship(No.F.18–1/2011(BSR) November 2019) 

主　　题：Bis pyrozolyl-methanes Ethyl acetoacetate Aromatic/het(aryl)aldehydes Hydrazine/phenyl hydrazine One-pot multi-component synthesis Ultrasound 

摘      要：An efficient,catalyst-free and eco-friendly ultrasound-assisted novel one-pot pseudo-five-component synthesis of aryl-bis-[1H-pyrazol-5-ol-4yl]methanes,het(aryl)-bis-[1H-pyrazol-5-ol-4yl]methanes and their 1-phenyl derivatives in water is *** products were obtained in excellent yield in shorter duration with high purity,by simple *** synthetic methodology has been optimized and discussed herein.