Organic Chemistry Frontiers 2018-03-28

Rh(III)-Catalyzed synthesis of pyrazolo[1,2-a]cinnolines from pyrazolidinones and diazo compounds

Panpan Li, Xiaoying Xu, Jiayi Chen, Hequan Yao, Aijun Lin

Index: 10.1039/C8QO00209F

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Abstract

Rhodium(III)-catalyzed redox-neutral annulation of pyrazolidinones with diazo compounds has been described. This reaction provides a straightforward platform to access various pyrazolo[1,2-a]cinnolines, which have potential medicinal value, under mild reaction conditions, with good regioselectivity and high functional group tolerability.