cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII)

Base Information

• Chemical Name: cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII)
• CAS No.: 122698-91-3
• Molecular Formula: C₂₆H₂₉P₂Re
• Molecular Weight: 589.671
• Mol file: 122698-91-3.mol

Synonyms:

Chemical Property of cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII)

There total 1 articles about cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII) 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:

sodium tetrahydroborate (16940-66-2) + cis-oxotrichloro(cis-1,2-bis(diphenylphosphino)ethylene)rhenium(V) (127593-07-1,74679-92-8) → cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII) (122698-91-3)

Guidance literature:

In ethanol; under N2; NaBH4 (90 mmol) added to suspn. of Re compd. (5.36 mmol) in ethanol; mixt. vigorously stirred for 1 h; evapn. (vac.); extn. (benzene); ext. passed down a florisil column and evapd.; trituration (ethanol); off-white powder filtered off, washed (ethanol), and dried (63% yield); either chromy. repeated (see above) or recrystn. (benzene/ethanol); elem. anal.;

DOI:10.1039/DT9940000917

Reference yield: 77.0%

tetrafluoroboric acid diethyl ether (67969-82-8) + cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII) (122698-91-3) → bis[cis-1,2-bis(diphenylphosphino)ethylene trihydrido di(μ-hydrido) rhenium(V)] tetrafluoroborate

Guidance literature:

In dichloromethane; byproducts: H2; HBF4*Et2O (1.05 mmol) added to soln. of Re compd. (0.424 mmol) at -80°C; mixt. stirred for 15 min at -80°C to give the intermediate; warming slowly to room temp. during 45 min (H2 evolution above -20°C); react. mechanism discussed; Et2O added; mixt. set aside at room temp. for 16 h; resultant ppt. filtered off and recrystd. from CH2Cl2/Et2O to give microcrystals; elem. anal.;

DOI:10.1039/DT9940000917

Reference yield: 36.0%

cis-1,2-bis(diphenylphosphino)ethylene heptahydrido rhenium(VII) (122698-91-3) + cis-1,2-bis-(diphenylphosphino)ethene (983-80-2) → bis(cis-1,2-bis(diphenylphosphino)ethylene) trihydrido rhenium(III) (155229-48-4)

Guidance literature:

In toluene; byproducts: H2; heating mixt. of Re complex, dppen, and toluene at 110 °C for 1 h; mixt. cooled; ethanol added; mixt. set aside at -20 °C for 16 h;resulting microcrystals filtered off, washed (ethanol), and dried; elem. anal.;

DOI:10.1039/DT9940000917

upstream raw materials:

sodium tetrahydroborate

cis-oxotrichloro(cis-1,2-bis(diphenylphosphino)ethylene)rhenium(V)

Downstream raw materials:

cis-1,2-bis(diphenylphosphino)ethylene trihydrido bis(triphenylphosphine) rhenium(III)

cis-1,2-bis(diphenylphosphino)ethylene pentahydrido triphenylphosphine rhenium(V)

cis-1,2-bis(diphenylphosphino)ethylene trihydrido bis(tri-p-tolylphosphine) rhenium(III)

ReH₅((C₆H₅)2PCHCHP(C₆H₅)2)((C₆H₅)2PCH₂P(C₆H₅)2)