(diphos)2CoH

Base Information

• Chemical Name: (diphos)2CoH
• CAS No.: 18433-72-2
• Molecular Formula: C₅₂H₄₉CoP₄
• Molecular Weight: 856.849
• Mol file: 18433-72-2.mol

Synonyms:(diphos)2CoH

Chemical Property of (diphos)2CoH

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (diphos)2CoH

There total 9 articles about (diphos)2CoH 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: 85.0%

cobalt acetylacetonate + 1,2-bis-(diphenylphosphino)ethane (1663-45-2) → (diphos)2CoH (18433-72-2)

Guidance literature:

With 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane; In tetrahydrofuran; at 20 ℃; Inert atmosphere;

DOI:10.1021/jacs.7b01708

Reference yield: 58.0%

sodium tetrahydroborate (16940-66-2) + [Co((C6H5)2PCH2CH2P(C6H5)2)2(CH3CN)](2+)*2BF4(1-)*CH3COCH3=[Co((C6H5)2PCH2CH2P(C6H5)2)2(CH3CN)](BF4)2*CH3COCH3 → {CoH((C6H5)2PCH2CH2P(C6H5)2)2} (18433-72-2,416843-54-4)

Guidance literature:

In ethanol; water; (N2); addn. of a soln. of NaBH4 in aq. ethanol to a slurry of cobalt complex in ethanol at 65°C over 1 h, stirring overnight; filtration, washing with ethanol, recrystn. (THF/ethanol);

DOI:10.1021/ja0122804

Reference yield: 24.0%

lithium aluminium tetrahydride (16853-85-3) + dichloro(1,2-bis(diphenylphosphino)ethane)cobalt(II) (15168-81-7,18498-01-6) → (diphos)2CoH (18433-72-2)

Guidance literature:

In tetrahydrofuran; at -20 - 20 ℃; for 2h; Inert atmosphere; Schlenk technique;

DOI:10.1021/jacs.7b10055

upstream raw materials:

trans-1,2-bis(diphenylphosphino)ethylene

CoH₂(Si(CH₃)F₂)(P(C₆H₅)3)2

1,2-bis-(diphenylphosphino)ethane

acetonitrile

Downstream raw materials:

[HCo((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2]⁽¹⁺⁾*BF₄^(1-)=[HCo((C₆H₅)2PCH₂CH₂P(C₆H₅)2)2]BF₄

((diphos)2CoH₂)(HC(SO₂CF₃)2)

(BI₂)2-1.2-bis-diphenylphosphionoethane

(Br₂B)2Co(C₂₆H₂₄P₂)2

Refernces

• 1、 Yu, Songjie,Wu, Caizhi,Ge, Shaozhong. "Cobalt-Catalyzed Asymmetric Hydroboration/Cyclization of 1,6-Enynes with Pinacolborane". supporting information. p. 6526 - 6529. Retrieved 2017/05/29.
• 2、 Ciancanelli, Rebecca,Noll, Bruce C.,DuBois, Daniel L.,Rakowski DuBois. "Comprehensive thermodynamic characterization of the metal-hydrogen bond in a series of cobalt-hydride complexes". . p. 2984 - 2992. Retrieved 2007/10/03.