Observation of a hidden intermediate in the Stille reaction. Study of the reversal of the transmetalation step |
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| Authors: | Pérez-Temprano Mónica H Nova Ainara Casares Juan A Espinet Pablo |
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| Institution: | IU CINQUIMA/Química Inorgánica, Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain. |
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| Abstract: | A study of the reaction of cis-PdRf2(AsPh3)2] (Rf = 3,5-C6Cl2F3) with ISnBu3 (that is the reversal of the natural Stille reaction of PdRfI(AsPh3)2] with RfSnBu3) allows for the observation of cis-PdRf2(AsPh3)(ISnBu3)], the expected intermediate from a cyclic transmetalation in the direct Stille reaction, thus providing experimental support to the operation of cyclic transmetalation pathways. |
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