4.8 Article

Rh-Catalyzed Dehydrogenative Cyclization Leading to Benzosilolothiophene Derivatives via Si-H/C-H Bond Cleavage

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ORGANIC LETTERS
卷 19, 期 10, 页码 2564-2567

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.7b00878

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资金

  1. JSPS, Japan [25410042, 16K05695]
  2. Collaborative Research Program of Institute for Chemical Research, Kyoto University [2015-47]
  3. JST, ACT-C, Japan
  4. Grants-in-Aid for Scientific Research [17K17903, 16H01155, 16K05695, 25410042, 16K05777] Funding Source: KAKEN

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Straightforward syntheses leading to pi-extended benzosilolothiophene (BST) derivatives by Rh-catalyzed dehydrogenative cyclization reactions have been developed. Electron-deficient ligands were effective for the reactions, and dppe-F-20 gave the best result. This method could be applied to the synthesis of highly pi-extended ladder-type BST derivatives, which exhibited fluorescence.

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