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A Facile Route to Phosphanylborohydrides:Synthesis, Crystal Structure and Spectroscopic Properties of 1,2-Bis(Diphenylphosphinoborane)Ethane

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DOI: 10.4236/jcpt.2011.11001    4,349 Downloads   10,866 Views Citations

ABSTRACT

A novel and simple synthetic way using NaBH4 in the mixure of H2O-THF was applied to prepare 1,2-bis(diphenylphosphinoborane)ethane, dppe(BH3)2, in high yield and purity. The phosphanylborohydride compound dppe(BH3)2 was isolated in the form of colorless crystals and characterized by single crystal X-ray diffraction, 1H, 13C, 31P and 11B NMR spectroscopy. Prismatic colorless crystals of dppe(BH3)2 were obtained in monoclinic crystal system and space group P21 with two asymmetric units in the unit cell. Lattice parameters were: a = 11.657(2), b = 17.237(2), c = 12.764(2) Å, β = 98.735(14)°, 2535.0(7) Å3

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L. Yildirim, M. Masjedi and S. Özkar, "A Facile Route to Phosphanylborohydrides:Synthesis, Crystal Structure and Spectroscopic Properties of 1,2-Bis(Diphenylphosphinoborane)Ethane," Journal of Crystallization Process and Technology, Vol. 1 No. 1, 2011, pp. 1-7. doi: 10.4236/jcpt.2011.11001.

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