Conversion of 3-Bromo-2H-coumarins to 3-(Benzofuran-2-yl)-2H-cournarins under Palladium Catalysis: Synthesis and Photophysical Properties Study

被引：15
作者：
Galvani, Gilles [1 ]
Reddy, K. Harsha Vardhan [1 ]
Beauvineau, Claire [2 ,3 ]
Ghermani, NourEddine [4 ]
Mahuteau-Betzer, Florence [2 ,3 ]
Alami, Mouad [1 ]
Messaoudi, Samir [1 ]
机构：
[1] Univ Paris 11, Univ Paris Saclay, CNRS, BioCIS, F-92296 Chatenay Malabry, France
[2] Univ Paris 11, Univ Paris Saclay, PSL Res Univ, CNRS,INSERM,Inst Curie, F-91400 Orsay, France
[3] Univ Paris 11, Univ Paris Saclay, CNRS, UMR 187,U1196, F-91405 Orsay, France
[4] Univ Paris Saclay, Univ Sud, CNRS, Inst Galien, F-92296 Chatenay Malabry, France
来源：
ORGANIC LETTERS | 2017年 / 19卷 / 04期
关键词：
COUMARIN DERIVATIVES; COUPLING REACTION; C-H; ACCESS; OLEFINATION; ARYLATION; ARENES; ESTERS; AGENTS; ACIDS;
D O I：
10.1021/acs.orglett.7b00069
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An intriguing conversion of 3-bromo-2H-coumarins to 3-(benzofuran-2-yl)-2H-coumarins under palladium catalysis is reported. The process involves, from only one single starting material, three transformations and two bond formations in one pot: C-C bond formation via C-H activation and C-O bond formation through 2H-coumarin-to-benzofuran ring contraction under palladium catalysis. Moreover, the photophysical properties of all synthesized compounds were studied.
引用
收藏
页码：910 / 913
页数：4
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