11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene

Base Information

• Chemical Name: 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene
• CAS No.: 102649-09-2
• Molecular Formula: C₇₀H₅₄Si₂
• Molecular Weight: 951.37

Synonyms:11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene

Chemical Property of 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene

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Technology Process of 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene

There total 2 articles about 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.0^2,7]undecyl]-2⁽⁷⁾,3,5,9,2'(7'),3',5',9'-octaene 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: 94.0%

o-fluorobromobenzene (1072-85-1) + 1,1-bis(1-methyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene) (102632-49-5) → 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.02,7]undecyl]-2(7),3,5,9,2'(7'),3',5',9'-octaene (102649-09-2)

Guidance literature:

With magnesium; In tetrahydrofuran;

DOI:10.1021/ja00274a075

Reference yield:

1,4-dilithio-1,2,3,4-tetraphenylbutadiene (21289-08-7,99643-57-9) → 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.02,7]undecyl]-2(7),3,5,9,2'(7'),3',5',9'-octaene (102649-09-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 33 percent / tetrahydrofuran

2: 94 percent / activated Mg / tetrahydrofuran

With magnesium; In tetrahydrofuran;

DOI:10.1021/ja00274a075

Reference yield: 71.0%

anthracene (120-12-7) + 11,11'-Dimethyl-1,8,9,10,1',8',9',10'-octaphenyl-[11,11']bi[11-sila-tricyclo[6.2.1.02,7]undecyl]-2(7),3,5,9,2'(7'),3',5',9'-octaene (102649-09-2) → 1,2,3,4-tetraphenylnaphthalene (751-38-2) + C30H26Si2 (102649-10-5)

Guidance literature:

In benzene; at 350 ℃; for 2h;

DOI:10.1021/ja00274a075

upstream raw materials:

o-fluorobromobenzene

1,1-bis(1-methyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene)

1,4-dilithio-1,2,3,4-tetraphenylbutadiene

Downstream raw materials:

1,2,3,4-tetraphenylnaphthalene

C₃₀H₂₆Si₂

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