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Copper-Catalyzed Tandem Cyclization/Chalcogenation with Elemental S8/Se: Concise Synthesis of 3-(ß-Hydroxychalcogen)benzofurans.
Dong, Zhe; Li, Zhonghui; Hu, Penghua; Guo, Tao; Zhang, Panke; Zhu, Congjun.
Afiliação
  • Dong Z; Institute for Food Control, National Institutes for Food and Drug Control, Beijing 100061, P. R. China.
  • Li Z; School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
  • Hu P; School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
  • Guo T; School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
  • Zhang P; Green Catalysis Center, College of Chemistry, Henan Advanced Institute of Technology, Zhengzhou University, Zhengzhou 450001, P. R. China.
  • Zhu C; School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou, Henan 450001, P. R. China.
J Org Chem ; 89(13): 9641-9646, 2024 Jul 05.
Article em En | MEDLINE | ID: mdl-38910296
ABSTRACT
A novel copper-catalyzed cyclization/chalcogenation of o-alkynylphenols with epoxides and elemental S8/Se was developed for the synthesis of a 3-chalcogen-benzofuran architecture in a domino process with no intermediate isolation or purification. Various sensitive functional groups were compatible at room temperature and furnished chalcogenation derivatives in moderate to good yields.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Org Chem Ano de publicação: 2024 Tipo de documento: Article País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Org Chem Ano de publicação: 2024 Tipo de documento: Article País de publicação: Estados Unidos