Facile One-Pot Multi-Component Synthesis of Spirooxindoles and 3, 3 '-Disubstituted Oxindoles via sp(3) C-H Activation/Functionalization of Azaarenes

Mohsinkhan Y. Pathan,Santosh S. Chavan,Taufeekaslam M. Y. Shaikh,Shridhar H. Thorat,Rajesh G. Gonnade,Shafeek A. R. Mulla

CHEMISTRYSELECT（2017）

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摘要

A novel one-pot multicomponent reaction (MCR) protocol has been demonstrated for the first time for sustainable and facile synthesis of spirooxindoles and 3, 3 '-disubstituted oxindoles in an excellent yield via sp(3) C-H activation/functionalization of 2-methyl azaarenes and (2-azaaryl)methanes with isatin, active methylene compounds using eco-friendly heterogeneous, reusable silica-supported dodecatungstophosphoric acid (DTP/SiO2) catalyst.

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关键词

3, 3'-disubstituted oxindoles,silica-supported dodecatungstophosphoric acid (DTP/SiO2) catalyst,sp(3) C-H activation/functionalization,spirooxindoles,azaarenes

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