2,2'-Spirobi[1,3,2-benzodioxagermole], 4,4',6,6'-tetrakis(1,1-dimethylethyl)-

Base Information

• Chemical Name: 2,2'-Spirobi[1,3,2-benzodioxagermole], 4,4',6,6'-tetrakis(1,1-dimethylethyl)-
• CAS No.: 110577-18-9
• Molecular Formula: C28H40GeO4
• Molecular Weight: 513.213
• Mol file: 110577-18-9.mol

Synonyms:

Chemical Property of 2,2'-Spirobi[1,3,2-benzodioxagermole], 4,4',6,6'-tetrakis(1,1-dimethylethyl)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,2'-Spirobi[1,3,2-benzodioxagermole], 4,4',6,6'-tetrakis(1,1-dimethylethyl)-

There total 2 articles about 2,2'-Spirobi[1,3,2-benzodioxagermole], 4,4',6,6'-tetrakis(1,1-dimethylethyl)- 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: 91.0%

2,2-diethyl(6,8-di-tert-butyl)-4,5-benzo-2-germa-1,3-dioxolane (78100-52-4) + germaniumtetrachloride (10038-98-9) → germanium(II) bis(3,5-di-tert-butyl-1,2-semiquinonate) (110577-18-9) + diethyl germanium dichloride (13314-52-8)

Guidance literature:

In benzene; (high vacuum system), heated at 80°C for 2h; pptd., filtered off, washed with benzene, then with pentane, dried under vacuum, elem. anal.;

DOI:10.1016/0022-328X(86)80434-X

Reference yield:

(C5(CH3)5GeC5(CH3)2H2)2C6H4 (310407-26-2) + 3,5-di-tert-butyl-o-benzoquinone (3383-21-9) → germanium(II) bis(3,5-di-tert-butyl-1,2-semiquinonate) (110577-18-9) + p-bis(3,4-dimethylcyclopentadienyl)benzene (111690-90-5)

Guidance literature:

In tetrahydrofuran; (N2); addn. of a soln. of quinone in THF to a soln. of germanium complexin THF at room temp., stirring for 2 h; evapn., isolation from THF/pentane, NMR anal.;

DOI:10.1016/S0022-328X(02)01221-4

Reference yield: 70.0%

germanium(II) bis(3,5-di-tert-butyl-1,2-semiquinonate) (110577-18-9) + ethylmagnesium bromide (925-90-6) + germanium hydride trichloride (1184-65-2) → tetraethylgermane (597-63-7) + hexaethyldigermane (993-62-4) + octaethyltrigermane (13937-05-8)

Guidance literature:

With water; In benzene; heating reaction mixt. in C6H6 (tube fused, 48 h, 80°C), treatment with EtMgBr soln. (ether), hydrolysis; drying (Na2SO4), mixt. chromy.;

upstream raw materials:

(C₅(CH₃)5GeC₅(CH₃)2H₂)2C₆H₄

3,5-di-tert-butyl-o-benzoquinone

2,2-diethyl(6,8-di-tert-butyl)-4,5-benzo-2-germa-1,3-dioxolane

germaniumtetrachloride

Downstream raw materials:

tetraethylgermane

hexaethyldigermane

octaethyltrigermane

Refernces

• 1、 Riviere, Pierre,Castel, Annie,Satge, Jacques,Guyot, Daniel. "Cycloaddition of Germylenes to 3,5-Di-t-butylorthoquinone". . p. 157 - 164. Retrieved 2007/10/02.