Two types of unprecedented side reactions were identified in the Stille coupling reaction, including the direct C-H stannylation of the α-hydrogen of thiophene and the stannylation of arylbromides with trialkylstannane bromide. These results reveal the major source of enhancements for Stille polycondensation efficiency.
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http://dx.doi.org/10.1039/c5cc05404d | DOI Listing |
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