Technology Process of 5,5,9,9,13,13,17,17-Octabutyl-1,21,23,25-tetrakis{4-(trimethylstannyl)phenyl}-2,20:3,19-dimetheno-1H,21H,23H,25H-bis{1,3,2}dioxasilocino{5,4-i:5',4'-i'}benzo{1,2-d:5,4-d'}bis{1,3,2}benzodioxasilocin
There total 1 articles about 5,5,9,9,13,13,17,17-Octabutyl-1,21,23,25-tetrakis{4-(trimethylstannyl)phenyl}-2,20:3,19-dimetheno-1H,21H,23H,25H-bis{1,3,2}dioxasilocino{5,4-i:5',4'-i'}benzo{1,2-d:5,4-d'}bis{1,3,2}benzodioxasilocin 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:
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120476-46-2
5,5,9,9,13,13,17,17-Octabutyl-1,21,23,25-tetrakis(4-bromophenyl)-2,20:3,19-dimetheno-1H,21H,23H,25H-bis<1,3,2>dioxasilocino<5,4-i:5',4'-i'>benzo<1,2-d:5,4-d'>bis<1,3,2>benzodioxasilocin
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120496-25-5
5,5,9,9,13,13,17,17-Octabutyl-1,21,23,25-tetrakis{4-(trimethylstannyl)phenyl}-2,20:3,19-dimetheno-1H,21H,23H,25H-bis{1,3,2}dioxasilocino{5,4-i:5',4'-i'}benzo{1,2-d:5,4-d'}bis{1,3,2}benzodioxasilocin
- Guidance literature:
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In
tetrahydrofuran; diethyl ether;
addn. of C4H9Li to cooled (-120°C) soln. of the tetrabromide in 2:1 ether/THF mixt., after 6 min slowly addn. of (CH3)3SnCl in (C2H5)2O, 2h 25°C, excess (CH3)3SnCl destroyed by addn. of NaH2PO4, 20min stirred, addn. of CH2Cl2; under N2; separation of organic phase, , dried, evap., chromy (silica gel, 3:1 C6H12/CH2Cl2), evapn., recrystn. from 2:1 CH2Cl2/CH3COCH3; elem. anal.;
DOI:10.1021/ja00192a028