Germole, 1,1,3,4-tetramethyl-

Base Information

• Chemical Name: Germole, 1,1,3,4-tetramethyl-
• CAS No.: 82763-96-0
• Molecular Formula: C₈H₁₄Ge
• Molecular Weight: 182.789
• Hs Code.: 2901100000
• Mol file: 82763-96-0.mol

Synonyms:1,1,3,4-Tetramethylgermole

Chemical Property of Germole, 1,1,3,4-tetramethyl-

Chemical Property:

• Vapor Pressure: 1.94mmHg at 25°C
• Boiling Point: 170.5°C at 760 mmHg
• Flash Point: 46.2°C
• PSA: 0.00000
• LogP: 2.67940

Purity/Quality:

85.0-99.8% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Germole, 1,1,3,4-tetramethyl-

There total 4 articles about Germole, 1,1,3,4-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: 86.0%

tetramethyl-1,1,3,4 germacyclopentene-4 ol-3 (82763-89-1) + phenyl isocyanate (103-71-9) → tetramethyl-1,1,3,4 germole (82763-96-0)

Guidance literature:

With diethylamine; In tetrachloromethane; byproducts: N,N'-diphenylurea, CO2; refluxing (10 h); cooling, filtration off diphenylurea, cooling in ice, Et2NH addn., filtration, washing of ppt. (pentane), evapn. (reduced pressure), filtration, distn. (vac.);

DOI:10.1016/0022-328X(85)80300-4

Reference yield: 85.0%

1,1,3,4-tetramethyl-3-(phenylcarbamoyl)-1-germacyclopent-4-ene (94890-82-1) → tetramethyl-1,1,3,4 germole (82763-96-0)

Guidance literature:

In tetrachloromethane; byproducts: C6H5NH2, CO2; refluxed for 10 h; solvent removed under vacuum, distilled, elem. anal.;

Reference yield:

tetramethyl-1,1,3,4 germacyclopentene-4 ol-3 (82763-89-1) → tetramethyl-1,1,3,4 germole (82763-96-0) + trimethyl-1,1,3 methylene-4 germacyclopentene-2 (82763-98-2)

Guidance literature:

aluminum oxide; In Cyclopentane; 223°C/normal pressure, mixture of the dienes (ratio germanole : methylene-compd. 17 : 83) is obtained;

upstream raw materials:

1,1,3,4-tetramethyl-3-(phenylcarbamoyl)-1-germacyclopent-4-ene

tetramethyl-1,1,3,4 germacyclopentene-4 ol-3

phenyl isocyanate

trimethyl-1,1,3 methylene-4 germacyclopentanol-3

Downstream raw materials:

Co((CH₃)4H₂C₄Ge)(P(CH₃)3)3⁽¹⁺⁾*B(C₆H₅)4^(1-)=[Co((CH₃)4H₂C₄Ge)(P(CH₃)3)3]B(C₆H₅)4