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Rhodium(III)-catalyzed direct selective C(5)-H oxidative annulations of 2-substituted imidazoles and alkynes by double C-H activation.
Huang, Ji-Rong; Zhang, Qian-Ru; Qu, Chuan-Hua; Sun, Xun-Hao; Dong, Lin; Chen, Ying-Chun.
Afiliação
  • Huang JR; Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
Org Lett ; 15(8): 1878-81, 2013 Apr 19.
Article em En | MEDLINE | ID: mdl-23537406
Double C-H activations of C(5)-H and Csp(2)-H of 2-substituted N-vinyl- or arylimidazoles were realized without heteroatom-directing assistance by rhodium(III) catalyst. A subsequent oxidative annulation reaction with alkynes efficiently produced aza-fused heterocycles with high molecular complexity in low to excellent yields.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Ródio / Alcinos / Compostos Heterocíclicos / Imidazóis Idioma: En Ano de publicação: 2013 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Ródio / Alcinos / Compostos Heterocíclicos / Imidazóis Idioma: En Ano de publicação: 2013 Tipo de documento: Article