A convenient and green approach for the synthesis of 2H-indazolo[2,1-b]phthalazinetriones

作者：Raghuvanshi Dushyant Singh; Kumari Kumkum; Allam Bharat Kumar; Singh Krishna Nand^*

来源：Indian Journal of Chemistry - Section B: Organic and Medicinal Chemistry , 2014, 53(11): 1462-1467.

• KHSO4-SiO2
• multicomponent reaction
• green chemistry
• solvent-free
• 2H-indazolo[2,1-b]phthalazinetriones

A high yielding and environmentally benign synthesis of 2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione derivatives has been achieved using silica-supported KHSO4 catalyst under solvent-free conditions. The methodology adopted is simple, versatile and requires no column chromatography.

• 出版日期2014-11