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Synlett 2014; 25(15): 2184-2188
DOI: 10.1055/s-0034-1378561
DOI: 10.1055/s-0034-1378561
letter
One-Pot Cross-Coupling of Diborylmethane for the Synthesis of Dithienylmethane Derivatives
Further Information
Publication History
Received: 13 June 2014
Accepted after revision: 07 July 2014
Publication Date:
21 August 2014 (online)
Abstract
The one-pot palladium-catalyzed Suzuki–Miyaura cross-coupling reaction of a diborylmethane with bromothiophene derivatives realized the synthesis of various dithienylmethane derivatives. Cyclopentadithiophenes, which are promising compounds in material science, can be obtained in good yields. The in situ generation of an unstable thienylmethylboronate is a key step for the present reaction.
Supporting Information
- for this article is available online at http://www.thieme-connect.com/products/ejournals/journal/ 10.1055/s-00000083.
- Supporting Information
-
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Suzuki–Miyaura cross-coupling reaction:
For examples, see:
Synthesis of simple thienylmethylboronate:
Thienylalkylboronate: