Pd-catalyzed, Cu(I)-mediated cross-couplings of bisarylthiocyclobutenediones with boronic acids and organostannanes |
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| Authors: | Aguilar-Aguilar Angélica Liebeskind Lanny S Peña-Cabrera Eduardo |
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| Affiliation: | Facultad de Química, Universidad de Guanajuato, Col. Noria Alta S/N, Guanajuato, Gto. 36050, Mexico. |
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| Abstract: | ![]()
Bisarylthiocyclobutenedione 7 reacted smoothly with a variety of both organostannanes and (hetero)arylboronic acids in the presence of a catalytic amount of Pd and a stoichiometric amount of CuTC to produce symmetrical disubstituted cyclobutenediones in yields that range from 37 to 94% (18 examples). |
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