Synthesis of Axially Chiral Bibenzo[ g ]coumarin Derivatives by Rhodium-Catalyzed Oxidative Annulation of Thiocarbamates

被引:1
作者
Takishima, Ryo [1 ]
Ghosh, Koushik [1 ]
Nishii, Yuji [1 ,2 ]
Miura, Masahiro [3 ]
机构
[1] Osaka Univ, Grad Sch Engn, Dept Appl Chem, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Ctr Future Innovat, Grad Sch Engn, Suita, Osaka 5650871, Japan
[3] Osaka Univ, Inst Open & Transitionary Res Initiat OTRI, Innovat Catalysis Sci Div, Suita, Osaka 5650871, Japan
基金
日本学术振兴会;
关键词
coumarins; rhodium catalysis; C-H bond activation; BINOLs; circular dichroism; polycyclic heteroaromatic compounds; H BOND FUNCTIONALIZATION; BENZOIC-ACIDS; ALKYNES; ACTIVATION; FLUORESCENT; COUMARINS; ARENES; CLEAVAGE;
D O I
10.1055/a-2202-4667
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Polyaromatic organic compounds have attracted significantattention because of their wide range of applications in various func-tional materials. Recently, transition-metal-catalyzed C-H bond activa-tion and the subsequent oxidative cyclization with unsaturated com-pounds has emerged as a promising synthetic method for multiringsystems. We report a two-step synthesis of binaphthyl-fused chiralbibenzo[g]coumarin derivatives by Rh-catalyzed annulative coupling re-action of BINOL-based thiocarbamates with alkynes. The optical prop-erties of the coupling products were evaluated
引用
收藏
页码:925 / 929
页数:5
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