Digermane, 1,2-dichloro-1,1,2,2-tetramethyl-

Base Information

• Chemical Name: Digermane, 1,2-dichloro-1,1,2,2-tetramethyl-
• CAS No.: 22702-77-8
• Molecular Formula: C4H12Cl2Ge2
• Molecular Weight: 276.225
• Mol file: 22702-77-8.mol

Synonyms:

Chemical Property of Digermane, 1,2-dichloro-1,1,2,2-tetramethyl-

Chemical Property:

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Digermane, 1,2-dichloro-1,1,2,2-tetramethyl-

There total 15 articles about Digermane, 1,2-dichloro-1,1,2,2-tetramethyl- 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: 95.0%

hexamethyldigermane (993-52-2) → 1,2-dichlorotetramethyldigermane (22702-77-8)

Guidance literature:

With ammonium chloride; In sulfuric acid; byproducts: CH4; stirring (room temp., 30 h), addn. of NH4Cl and stirring for 45 min; extn. (petroleum ether), drying of org. layer over CaCl2 (concn.); elem. anal.;

Reference yield: 90.0%

hexamethyldigermane (993-52-2) → chloropentamethyldigermane (22640-93-3) + 1,2-dichlorotetramethyldigermane (22702-77-8)

Guidance literature:

With acetyl chloride; In neat (no solvent); 20°C, 6 h;

DOI:10.1016/0022-328X(84)80718-4

Reference yield: 85.0%

ammonium chloride + hexamethyldigermane (993-52-2) → 1,2-dichlorotetramethyldigermane (22702-77-8)

Guidance literature:

With H₂SO₄; In sulfuric acid; treatment of digermane deriv. with concd. H2SO4 for 24 min at room temp., addn. of NH4Cl, cooling to 0°C, stirring for 30 min; Triplett K., Curtis M.D., J. Organomet. Chem., 1976, 107, 23-32; separating ppt., recrystn. (pentane), sublimation at 40°C and 0.1Torr, NMR;

DOI:10.1021/ic7018764

upstream raw materials:

1,1,2,2-tetrachloroethylene

hexamethyldigermane

tetrachloromethane

tetramethyldigermene

Downstream raw materials:

C₆H₅CHCHGe(CH₃)2Br

C₆H₅CHCHGe(CH₃)2Cl

Dimethylgermaniumbromidchlorid

dichlorodimethylgermanium