Technology Process of 1,1,2,3,4,4-hexakis(2,4,6-triisopropylphenyl)tetragermbuta-1,3-diene
There total 2 articles about 1,1,2,3,4,4-hexakis(2,4,6-triisopropylphenyl)tetragermbuta-1,3-diene which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
Mg;
In
tetrahydrofuran;
byproducts: MgCl2, MgBr2, dioxane; (N2); addn. dropwise soln. of GeCl2*dioxane in THF to mixt. of BrMgC6H2(i-Pr)3 and excess Mg in THF at -50°C; warming to room temp.; removal of THF, extn. with n-pentane, filtration, cooling at -30°C for 24 h, filtration, concn., cooling for 5 days at -30°C; recrystn. from n-pentane;
DOI:10.1021/om020956d
- Guidance literature:
-
In
1,2-dimethoxyethane;
byproducts: LiC6H2(2,4,6-iPr3), LiBr; Li added to soln. of Ge compd. in DME, stirred for 5 h at room temp., filtered, soln. treated with Br compd. at -18°C, over a period of 10 h soln. slowly warmed to room temp.; DME removed, ppt. dissolved in n-hexane, soln. concd., cooled to -30°C, elem. anal.;
- Guidance literature:
-
In
hexane;
Ar; addn. of excess water to hexane soln. of Ge compd., heating the mixt. under reflux for 12 h; replacing hexane with pentane, removal. the insol. products by filtration, crystn. from hexane at -4°C; elem. anal.;
DOI:10.1021/om034123e
