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Arynes were found to insert into a carbon-tin bond of alkynyl- and vinylstannanes in the presence of a catalytic amount of a palladium-iminophosphine complex to afford ortho-substituted arylstannanes, which were convertible into a wide variety of 1,2-disubstituted arenes via carbon-carbon bond forming reactions.
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Yoshida et al. (2001) studied this question.
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