TETRACARBONYL(1 5-CYCLOOCTADIENE)TUNGST&

Base Information

• Chemical Name: TETRACARBONYL(1 5-CYCLOOCTADIENE)TUNGST&
• CAS No.: 12129-70-3
• Molecular Formula: C12H12 O4 W
• Molecular Weight: 404.075
• Mol file: 12129-70-3.mol

Synonyms:(Cyclooctadiene)tungstentetracarbonyl (6CI); Tungsten, tetracarbonyl(1,5-cyclooctadiene)- (7CI,8CI); 1,5-Cyclooctadiene,tungsten complex; (1,5-Cyclooctadiene)tetracarbonyltungsten;1,5-Cyclooctadienetungsten tetracarbonyl;Tetracarbonyl(1,5-cyclooctadiene)tungsten;Tetracarbonyl(cyclooctadiene)tungsten; Tetracarbonyl(h4-1,5-cyclooctadiene)tungsten

Chemical Property of TETRACARBONYL(1 5-CYCLOOCTADIENE)TUNGST&

Chemical Property:

• Melting Point: 155-161 °C(lit.)
• PSA: 0.00000
• LogP: 1.84080

Purity/Quality:

99% ^*data from raw suppliers

Tetracarbonyl(1,5-cyclooctadiene)tungsten(0) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of TETRACARBONYL(1 5-CYCLOOCTADIENE)TUNGST&

There total 3 articles about TETRACARBONYL(1 5-CYCLOOCTADIENE)TUNGST& which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 18.0%

pentacarbonyl(trimethyl phosphite)tungsten(0) (23306-42-5) + cyclo-octa-1,5-diene (5259-72-3,10060-40-9,111-78-4) → carbonyhltungsten(0)(cycloocta-1,5-diene) (12129-70-3) + mer-tricarbonyl(η4-cyclooctadiene)(trimethyl phosphite)tungsten(0) (128190-45-4) + fac-tricarbonyl(η4-cyclooctadiene)(trimethyl phosphite)tungsten(0) (128298-34-0) + W(CO)2(P(OMe)3)2(η4-1,5-cyclooctadiene)

Guidance literature:

In pentane; Irradiation (UV/VIS); 450-W Hg lamp, 2 h, cooling (solid dry ice); chromy. (SiO2, pentane/ether 10:1), partial evapn. (crystn.), recrystn. (pentane); elem. anal.;

Reference yield:

tungsten hexacarbonyl (14040-11-0) + cyclo-octa-1,5-diene (5259-72-3,10060-40-9,111-78-4) → carbonyhltungsten(0)(cycloocta-1,5-diene) (12129-70-3)

Guidance literature:

In n-heptane; Irradiation (UV/VIS); using standard inert atmosphere techniques; W complex reacted with C8H12in n-heptane under photochemical conditions; according to R. B. King, A . Fronzaglia, Inorg. Chem., 1966, 5, 1837-1846; purified by sublimation under vac. at 80°C; detd. by (1)H NMR andIR spectra;

DOI:10.1021/om700384g

Reference yield:

pentacarbonyl(diphenylcarben)wolfram + cyclo-octa-1,5-diene (5259-72-3,10060-40-9,111-78-4) → carbonyhltungsten(0)(cycloocta-1,5-diene) (12129-70-3)

Guidance literature:

In not given;

DOI:10.1016/S0022-328X(00)96214-4

upstream raw materials:

cyclo-octa-1,5-diene

tungsten hexacarbonyl

pentacarbonyl(trimethyl phosphite)tungsten⁽⁰⁾

Downstream raw materials:

[((Z)-2-chloro-3,3-bis(diisopropylamino)-3-thioxo-1-(2,4,6-tri-tert-butylphenyl)-1,3-diphosphapropene)W(CO)4]

dicarbonyl-2-(1,3-dimesityltetrahydro-1,3,2-diazaphospholyl)(η5-2',3',4',5'-tetraethylphospholyl)tungsten(0)

[(N(C₆H₂(CH₃)3)CH₂CH₂N(C₆H₂(CH₃)3)PNC(CH₃)P(CC₂H₅)4)W(CO)4]

(CO)4W((PC₄(C₂H₅)4)C(CH₃)NP(C₆H₂(CH₃)3NCH)2)

Refernces

• 1、 Wink, Donald J.,Oh, Chang Kyeong. "Photochemical synthesis and thermal interconversion of mer- and fac-W(CO)3(P(OMe)3)(η4-1,5-cyclooctadiene)". . p. 2403 - 2406. Retrieved 2008/10/08.