Tetrahedron Letters

Straightforward copper-catalyzed synthesis of pyrrolopyrazoles from halogenated pyrazolecarbaldehydes

M Nayak, H Batchu, S Batra

Index: Nayak, Maloy; Batchu, Harikrishna; Batra, Sanjay Tetrahedron Letters, 2012 , vol. 53, # 32 p. 4206 - 4208

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Abstract

The pyrazole ring system is considered to be of great significance because it is represented in several compounds ascribed with pharmacological and agricultural properties. 1 In recent times there has been considerable interest in the development of newer strategies to obtain substituted and annulated pyrazoles. 2 Among the strategies for preparing annulated pyrazole systems, halogenated pyrazoles are regarded as important building blocks because of their ...

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