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Analysis of the THF-d8. solution arising from the mixture of Pd(OAc)2/1PPh3. (A) XRD structure of a single crystal of 4 is shown (selected atoms). (B) 1H NMR analysis, confirming solution presence of 4 ca. 10 min after mixing at 25 °C. (C. i. and ii.) 31P NMR spectral data and reaction speciation, showing the decay of 4 and growth of multiple P-containing species over 12 h, 25 °C.
