A simple and efficient synthesis of imidazoquinoxalines and spiroquinoxalinones via pictect-spengler reaction using Wang resin.

Autor:	Gorle, Simhachalam, L, Vaikunta Rao, Y, Chiranjeevi, A. V, Dhanunjaya Rao, Mekala, Ramamohan, Tadiparthi, Krishnaji, Raghunadh, Akula
Předmět:	CATALYSTS recycling ANILINE ALDEHYDES HETEROGENEOUS catalysts SOLVENTS CATALYSTS
Zdroj:	Synthetic Communications; 2022, Vol. 52 Issue 2, p218-228, 11p, 5 Diagrams, 4 Charts, 1 Graph
Abstrakt:	An efficient approach for the synthesis of various imidazoquinoxalines and spiroquinoxalinones has been reported from 2-(1H-imidazol-1-yl) aniline and different aldehydes using Wang-OSO3H as a reusable catalyst to get in good yields. The reaction condition has been optimized by screening in various solvents and a gram scale experiment has also demonstrated. Further, the substrate scope of the reaction has also been well demonstrated. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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