Trigermane, octamethyl-

Base Information

• Chemical Name: Trigermane, octamethyl-
• CAS No.: 1066-63-3
• Molecular Formula: C8H24 Ge3
• Molecular Weight: 338.049
• Nikkaji Number: J677.181E
• Mol file: 1066-63-3.mol

Synonyms:Trigermane, octamethyl-;Octamethyltrigermane;1066-63-3;GUYRXJZRUPMNEF-UHFFFAOYSA-N;1,1,1,2,2,3,3,3-Octamethyltrigermane;1,1,1,2,2,3,3,3-Octamethyltrigermane #

Chemical Property of Trigermane, octamethyl-

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: g/cm³
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 335.955303
• Heavy Atom Count: 11
• Complexity: 33.1

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Ge]C.C[Ge](C)C.C[Ge](C)C

Technology Process of Trigermane, octamethyl-

There total 6 articles about Trigermane, octamethyl- 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: 12.0%

benzylpentamethyldigermane (137482-81-6) → benzylheptamethyltrigermane (137482-87-2) + dibenzyldimethyldigermanoxane (82543-36-0) + trimethylgermane (1449-63-4) + pentamethyldigermane (54772-55-3) + octamethyltrigermane (1066-63-3)

Guidance literature:

In cyclohexane; Irradiation (UV/VIS); Further products. Irradn. with a 110 W low-pressure Hg arc lamp at room temp. under Ar for 3-4 h.; GC-MS.;

DOI:10.1246/bcsj.64.2772

Reference yield: 1.0%

phenylpentamethyldigermane (32284-96-1) → (C6H5)(CH3)2GeGe(CH3)2Ge(CH3)3 + dimethylphenyldigermanoxane (119405-78-6) + 1,3-diphenylhexamethyltrigermane (22702-73-4) + octamethyltrigermane (1066-63-3) + 1,1,2,2-tetramethyl-1,2-diphenyldigermane (22702-72-3)

Guidance literature:

With methanol; In benzene; Irradiation (UV/VIS); irradiation of catenate in benzene containing an excess of methanol with a 110 W low-pressure Hg arc lamp at room temp. under Ar for 1-4 h; identification by GC and GC-MS;

DOI:10.1016/0022-328X(91)86036-P

Reference yield:

7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene (76054-64-3) + iodomethylbenzene (620-05-3) → PhCH2GeMe2I (113352-22-0) + tetramethylgermane (865-52-1) + dimethyldiiodogermane (1184-77-6) + octamethyltrigermane (1066-63-3) + phenyl(trimethylgermyl)methane (2848-62-6)

Guidance literature:

With CH₃MgI; In diethyl ether; benzene; Norbornadiene-compound and PhCH2I are heated at 75°C in benzene under Ar, benzylic products (10-20 %) are methylated in Et2O (MeMgI, stirring at 0°C for 0.5 h, then stirring at room temp. for 1 h).; addn. of H2O and NH4Cl, sepn. of organic and aq. phases, extn. of aq. phase (Et2O), removal of solvent, investigation by GC-MS anal., further products are Me8Ge3, Me10Ge4, Me12Ge5 in ca. 70 % yield;

upstream raw materials:

phenylpentamethyldigermane

benzoylbromodimethylgermane

methylgermanium bromide

1,1'-(1,2-ethanediyl)bisbenzene

Downstream raw materials:

chlorotrimethylgermane

chloropentamethyldigermane

trimethylgermane

tetramethylgermane

Refernces

• 1、 Mochida, Kunio,Kikkawa, Haruhiko,Nakadaira, Yasuhiro. "Photochemical Reactions of Vinyl-, Styryl- and Benzyl-Substituted Digermanes". . p. 2772 - 2777. Retrieved 2007/10/02.