Volume 54, Issue 2 pp. 889-894
Article

A Facile, Atom-Economical, and One-Pot Pseudo Four-Component Synthesis of Isoxazolylspiro[diindeno[1,2-b;2′,1′-e]pyridine-11,3′-indoline]-2′,10,12-triones Catalyzed by pTSA

Eligeti Rajanarendar

Corresponding Author

Eligeti Rajanarendar

Department of Chemistry, Kakatiya University, Warangal, 506009 Telangana, India

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Kammari Thirupathaiah

Kammari Thirupathaiah

MVS Govt Degree & PG College, Mahabubnagar, 509001 Telangana, India

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Saini Ramakrishna

Saini Ramakrishna

Department of Chemistry, Kakatiya University, Warangal, 506009 Telangana, India

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Dharavath Nagaraju

Dharavath Nagaraju

Department of Chemistry, Kakatiya University, Warangal, 506009 Telangana, India

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Baireddy Kishore

Baireddy Kishore

Department of Chemistry, Kakatiya University, Warangal, 506009 Telangana, India

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First published: 29 April 2016
Citations: 2

Abstract

A facile, atom-economical, and one-pot pseudo four-component method for the synthesis of isoxazolylspiro[diindeno[1,2-b;2′,1′-e]pyridine-11,3′-indoline]-2′,10,12-trione derivatives (14) is described. Prominent advantages of this new method are operational simplicity, excellent yields with high purity, short reaction time, easy workup, and mild conditions.

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