95616-83-4

Basic information

• Product Name: [(P(C₆H₅)3)2N]⁽¹⁺⁾*[W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2]^(1-) = [(P(C₆H₅)3)2N][W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2]
• CAS NO: 95616-83-4
• Molecular Weight: 1089.76
• Mol File: 95616-83-4.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: [(P(C₆H₅)3)2N]⁽¹⁺⁾*[W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2]^(1-) = [(P(C₆H₅)3)2N][W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2](CAS DataBase Reference)
• NIST Chemistry Reference: [(P(C₆H₅)3)2N]⁽¹⁺⁾*[W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2]^(1-) = [(P(C₆H₅)3)2N][W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2](95616-83-4)
• EPA Substance Registry System: [(P(C₆H₅)3)2N]⁽¹⁺⁾*[W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2]^(1-) = [(P(C₆H₅)3)2N][W(CO)4C(O)CH₂CH₂CH₂P(C₆H₅)2](95616-83-4)

Safety Data

• Hazardous Substances Data: 95616-83-4(Hazardous Substances Data)

Upstream product

• 15228-32-7 W(CO)5NMe₃ 
• 57137-55-0 3-(diphenylphosphino)propyl chloride 
• 21050-13-5 bis(triphenylphosphine)iminium chloride 

Relevant articles and documents

Synthesis and X-ray structure of an anionic chelating phosphine-acyl derivative of tungsten, [PPh4][W(CO)4C(O)CH2CH2CH 2PPh2], and the reactivity of its decarbonylated analogue with carbon dioxide

The synthesis of an anionic chelating phosphine-acyl derivative of tungsten, (CO)4WC(O)-CH2CH2CH2PPh 2-, is described. The complex was prepared from the reaction of Na2W(CO)5 and PPh2CH2CH2CH2Cl in tetrahydrofuran. This complex undergoes decarbonylation in refluxing THF to afford the five-membered phosphametal cycloalkane derivative (CO)4WCH2CH2CH2PPh2 -. Upon pressurizing this metal alkyl species with carbon dioxide (400 psi) at ambient temperature the carboxylate derivative (CO)4WOC(O)CH2CH2CH2PPh 2- was formed. The rate of carbon dioxide insertion into the W-C bond of this phosphine substitution derivative was qualitatively faster than the analogous process involving CH3W(CO)5-, indicative of a rate enhancement by the phosphine ligand. All compounds were characterized by infrared and NMR (13C) spectroscopy. Single crystals of [PPh4][W(CO)4C(O)-CH2CH2CH 2PPh2] are monoclinic of space group P21/n with a = 9.444 (1) ?, b = 22.654 (5) ?, c = 21.279 (4) ?, β = 96.00 (1)°, and Z = 4. The structure was solved and refined by using 2831 unique, observed reflections measured on a Nicolet P3 diffractometer to R and Rw values of 0.0699 and 0.0787. The six-membered chelate ring assumes a chain conformation with the acyl groups' oxygen atom lying 0.940 ? from the equatorial plane of the metals' coordination sphere. The W-C(O)- and W-P bond distances were found to be 2.260 (19) and 2.504 (6) ?, respectively.