Research on Chemical Intermediates

One-pot, four-component synthesis of 2H-indazolo [2, 1-b] phthalazine-triones catalyzed by cellulose-SO3H as a reusable heterogeneous and efficient catalyst

HR Shaterian, F Rigi

Index: Shaterian, Hamid Reza; Rigi, Fatemeh Research on Chemical Intermediates, 2014 , vol. 40, # 5 p. 1989 - 1995

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Citation Number: 4

Abstract

Abstract A practical and green method for the synthesis of 2 H-indazolo [2, 1-b] phthalazine- 1, 6, 11 (13 H)-trione derivatives using cellulose-SO 3 H as a solid acidic catalyst for the four- component condensation reaction of hydrazinium hydroxide, phthalic anhydride, ...