henylylene)phosphoranes", Whitesides, G. M., Eisenhut, M. and Bunting, W. M., 1 Am. Chem. Soc., 1974, 96, 5398-5407. 64. "Pseudorotation in XPF4", Eisenhut, M., Mitchell, H. L., Traficante, D. D., Kaufman, R. J., Deutch, J. M. and Whitesides, G. M., J, Am. Chem. Soc., 1974, 96, 5385.5397. 63. "Copper(

, G. M., J. Am. aem. Soc., 1974, 96, 4937-4944. 65. "Pseudorotation in Arylbis(4,4'-dimethyl-2,2'-biphenylylene)phosphoranes", Whitesides, G. M., Eisenhut, M. and Bunting, W. M., 1 Am. Chem. Soc., 1974, 96, 5398-5407. 64. "Pseudorotation in XPF4", Eisenhut, M., Mitchell, H. L., Traficante, D. D., Kauf