Synthesis and Structure of Bis(diphenylphosphinimino)methanide and Bis(diphenylphosphinimino)methanediide Beryllium Complexes

Reactions of BeEt2 with bis(diphenylphosphinimino)methanes H2C[PPh2NR]2 yielded the first bis(diphenylphosphinimino)methanide and bis(diphenylphosphinimino)methanediide beryllium complexes [CH(PPh2N-2,6-i-Pr2C6H3)2]BeEt (1), [C(PPh2NSiMe3)2](BeEt)2 (2), and [C(PPh2NPh)2](BeEt)2 (3), respectively. 13 were characterized by multinuclear NMR and IR spectroscopy as well as single-crystal X-ray diffraction.


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