Rh(III)-Catalyzed Oxidative Annulation of 2-Arylquinoxalines with Cyclic 2-Diazo-1,3-diketones by C-H Bond Activation

被引：4
作者：
Ajay, Chidrawar [1 ,3 ]
Chary, Devulapally Yogananda [1 ,3 ]
Balasubramanian, Sridhar [2 ]
Reddy, Basi Subba V. [1 ]
机构：
[1] CSIR Indian Inst Chem Technol, Fluoro & Agrochem, Hyderabad 500007, India
[2] CSIR Indian Inst Chem Technol, Lab Xray Crystallog, Hyderabad 500007, India
[3] Acad Sci & Innovat Res AcSIR, Ghaziabad 201002, Uttar Pradesh, India
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2023年 / 26卷 / 13期
关键词：
C-H activation; Cyclic alpha-diazo carbonyl compounds; Transition metal catalysis; 2-Arylquinoxalines; 2; 3-Dihydrodibenzo[a; c]phenazin-4(1H)-ones; AMINATION; DERIVATIVES; AZOBENZENES; ALKYLATION; CATALYSIS; KETONES; ALKYNES;
D O I：
10.1002/ejoc.202201361
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Rh(III)-catalyzed C -H bond annulation of 2-arylquinoxalines with cyclic 2-diazo-1,3-diketones has been accomplished for the first time to synthesize a novel series of 2,3dihydrodibenzo[a,c]phenazin-4(1H)-one frameworks by means of carbene insertion followed by condensation. The reaction proceeds through the C -H bond activation and functionalization of 2-arylquinoxalines using Rh(III)/AgSbF6 complex to produce highly substituted 2,3-dihydrodibenzo[a,c]phenazin4(1H)-one and benzo[5,6][1,2,4]thiadiazino[2,3-f]phenanthridin5(6H)-one-10,10-dioxide derivatives in good to excellent yields.
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页数：8
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