Oezer, Zahide; Oezkar, Saim; Pamuk, H. Oe., Zeitschrift fur Naturforschung, B: Chemical Sciences, 1993, vol. 48, # 1, p. 37 - 43
作者:Oezer, Zahide、Oezkar, Saim、Pamuk, H. Oe.
DOI:——
日期:——
On the synthesis and 31P{1H} NMR spectrum of (CO) 5W(μ-PPh2CH2PPh2) W(CO)5
作者:J.W. Benson、E.A. Keiter、R.L. Keiter
DOI:10.1016/0022-328x(94)05384-n
日期:1995.6
The dimetallic complex, (CO)(5)W(mu-PPh(2)CH(2)PPh(2))W(CO)(5), is synthesized from either a 2:1 mixture of (CO)(5)W(NCMe) and (CO)(5)W(eta(1)-PPh(2)CH(2)PPh(2)) or a 3:1 mixture of (CO)(5)W(NCMe) and PPh(2)CH(2)PPh(2) in toluene at 60 degrees C. The coupling constants, (2)J(PP') = 22.9 Hz, (1)J(WP) = 246.9 Hz and (3)J(WP') = 4.5 Hz are consistent with those reported in the literature for similar complexes. The complex (CO)(5)W(eta(1)-PPh(2)CH(2)PPh(2)) is stable with respect to chelation at room temperature.
Studies of a Reluctant Ligand. An X-ray Crystallographic and NMR Spectroscopic Analysis of (OC)<sub>5</sub>W(η<sup>1</sup>-PPh<sub>2</sub>CH<sub>2</sub>PPh<sub>2</sub>) and Its (OC)<sub>5</sub>W(μ-PPh<sub>2</sub>CH<sub>2</sub>PPh<sub>2</sub>)W(CO)<sub>5</sub> Derivative
作者:John William Benson、Richard L. Keiter、Ellen A. Keiter、Arnold L. Rheingold、Glenn P. A. Yap、Vera V. Mainz
DOI:10.1021/om980288p
日期:1998.9.1
Tungsten pentacarbonyl complexes, (OC)5W(η1-PPh2CH2PPh2) (1) and (OC)5W(μ-PPh2CH2PPh2)W(CO)5 (2), have been synthesized from (OC)5WNH2Ph and Ph2PCH2PPh2 in toluene, and their solid-state structures have been determined by single-crystal X-ray diffraction. The lone pair of electrons on the dangling phosphine in 1 is oriented toward the W(CO)5 unit in the solid state, and 13C1H} and 31P1H} NMR data