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

被引：2

作者：

Gorle, Simhachalam ^{[1
,2
]}

Rao, Vaikunta L. ^{[2
]}

Chiranjeevi, Y. ^{[1
]}

Rao, Dhanunjaya A., V ^{[1
]}

Mekala, Ramamohan ^{[1
]}

Tadiparthi, Krishnaji ^{[3
]}

Raghunadh, Akula ^{[1
]}

机构：

[1] Dr Reddys Labs Ltd, Custom Pharmaceut Serv, Technol Dev Ctr, Hyderabad, India

[2] GITAM Deemed Univ, Dept Chem, GIS, Visakhapatnam, Andhra Pradesh, India

[3] CHRIST Deemed Univ, Dept Chem, Bangalore, Karnataka, India

来源：

SYNTHETIC COMMUNICATIONS | 2022年 / 52卷 / 02期

关键词：

Wang-OSO3H; imidazoquinoxaline; spiroquinoxalinones; recyclable catalyst; ONE-POT SYNTHESIS; DERIVATIVES; QUINOXALINE; ANNULATION; ACIDS;

D O I：

10.1080/00397911.2021.2015783

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

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.

引用

页码：218 / 228

页数：11

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