7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

Base Information

Chemical Name:7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene
CAS No.:76054-64-3
Molecular Formula:C₃₆H₃₀Ge
Molecular Weight:535.224
Hs Code.:

Synonyms:7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

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Chemical Property of 7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

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Technology Process of 7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

There total 1 articles about 7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene 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: 71.0%

: 20991-88-2
1,1-dimethyl-2,3,4,5-tetraphenyl-1-germacyclopentadiene

: 1072-85-1
o-fluorobromobenzene

: 76054-64-3
7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

Guidance literature:: With iodine; magnesium; In tetrahydrofuran; byproducts: 1-germacyclopentadiene; under argon 2-bromofluorobenzene was added to a mixture of the other components at 0-5°C., the mixture was stirred at 20°C until nearly all of the Mg was dissolved; evapn. (12 torr), the residue is resolved in CH2Cl2 and filtered from the remaining Mg, crystn. (CH2Cl2/EtOH), column chromy. (pentane/Et2O), elem. anal.;
DOI:10.1021/ja00342a043

Reference yield: 95.0%

: 76054-64-3
7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

: 84174-04-9
Cl₃CGe(CH₃)2Cl

: 1529-48-2
dichlorodimethylgermanium

Guidance literature:: In tetrachloromethane; byproducts: C2Cl6, 1,2,3,4-tetraphenylnaphtalene; 4 h., 70 °C.; 1,2,3,4-tetraphenylnaphtalene pptd. by EtOH, Me2GeCl2 and C2Cl6 are estimated by HPLC, Me2GeClCCl3 by NMR;
DOI:10.1021/ja00342a043

Reference yield: 90.0%

: 76054-64-3
7,7-dimethyl-1,4,5,6-tetraphenyl-2,3-benzo-7-germanorbornadiene

: 513-81-5
2,3-dimethyl-buta-1,3-diene

: 751-38-2
1,2,3,4-tetraphenylnaphthalene

: 5764-66-9
1,1,3,4-tetramethyl-1-germacyclopenta-3-ene

Guidance literature:: In cyclohexane; Irradiation (UV/VIS); irradn. with a low-pressure mercury lamp (254 nm) for 5h at room temp.; distn. under reduced pressure, purifn. by GLC;