1,1-dimethyl-2,5-dihydro-1H-germole

Base Information

• Chemical Name: 1,1-dimethyl-2,5-dihydro-1H-germole
• CAS No.: 1731-10-8
• Molecular Formula: C₆H₁₂Ge
• Molecular Weight: 156.751
• Mol file: 1731-10-8.mol

Synonyms:Germacyclopent-3-ene,1,1-dimethyl- (7CI,8CI); 1,1-Dimethyl-1-germa-3-cyclopentene;1,1-Dimethyl-3-germacyclopentene

Chemical Property of 1,1-dimethyl-2,5-dihydro-1H-germole

Chemical Property:

• Vapor Pressure: 13.8mmHg at 25°C
• Boiling Point: 127°C at 760 mmHg
• Flash Point: 17.9°C

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,1-dimethyl-2,5-dihydro-1H-germole

There total 4 articles about 1,1-dimethyl-2,5-dihydro-1H-germole 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: 53.0%

1,1,-dichloro-1-germacyclopent-3-ene (1432-32-2) → 1,1-dimethyl-1-germacyclopent-3-ene (1731-10-8)

Guidance literature:

With CH₃MgI; In not given; characterized by IR;

DOI:10.1246/bcsj.64.91

Reference yield: 6.0%

diallyl-dimethyl germane (1793-69-7) → (Ge(CH3)2(CH2CHCH2))2CH2CHCHCH2 + 1,1-dimethyl-1-germacyclopent-3-ene (1731-10-8)

Guidance literature:

With catalyst. Re₂O₇/Al₂O₃-SnBu₄; In n-heptane; byproducts: ethylene; filtration, distn., mixt. of Me2Ge(C4H6)/Ge2(C14H28);

DOI:10.1007/BF00959221

Reference yield:

1,1-dimethyl-1-germacyclobutane (21961-74-0) + buta-1,3-diene (106-99-0,130983-70-9,29406-96-0,9003-17-2) → 1,1,3,3-tetramethyldi-1,3-germacyclobutane (24329-46-2) + 1,1-dimethylgermacyclohex-3-ene (67685-66-9) + 1,1-dimethyl-1-germacyclopent-3-ene (1731-10-8) + 1,1,2,2-tetramethyl-1,2-digermacyclopentane (35839-71-5)

Guidance literature:

In gas; byproducts: ethylene, propene, cyclopropane; pyrolysis at 694-770K; bulb-to-bulb destillation, preparative VPC;

DOI:10.1021/om00046a031

upstream raw materials:

diallyl-dimethyl germane

1,1,-dichloro-1-germacyclopent-3-ene

1,1-dimethyl-1-germacyclobutane

buta-1,3-diene

Downstream raw materials:

dimethylgermanone

1,1-dimethyl-1-germacyclopent-4-ene-3-ol