1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne

Base Information

• Chemical Name: 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne
• CAS No.: 252955-61-6
• Molecular Formula: C₅₆H₄₀Si₄
• Molecular Weight: 825.276
• Mol file: 252955-61-6.mol

Synonyms:1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne

Chemical Property of 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne

There total 2 articles about 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne 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: 23.0%

diphenylsilyl dichloride (80-10-4) + diethynyldiphenylsilane (1675-57-6) → 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne (252955-61-6) + 1,1,4,4,7,7,10,10,13,13,16,16-Dodecaphenyl-1,4,7,10,13,16-hexasila-cyclooctadeca-2,5,8,11,14,17-hexayne

Guidance literature:

With n-butyllithium; In tetrahydrofuran; hexane; at 20 ℃; for 24h;

DOI:10.1246/cl.1999.1235

Reference yield:

diphenylsilyl dichloride (80-10-4) + diethynyldiphenylsilane (1675-57-6) → 1,1,4,4,7,7,10,10,13,13-Decaphenyl-1,4,7,10,13-pentasila-cyclopentadeca-2,5,8,11,14-pentayne + 1,1,4,4,7,7,10,10,13,13,16,16,19,19-Tetradecaphenyl-1,4,7,10,13,16,19-heptasila-cyclohenicosa-2,5,8,11,14,17,20-heptayne + 1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne (252955-61-6) + 1,1,4,4,7,7,10,10,13,13,16,16-Dodecaphenyl-1,4,7,10,13,16-hexasila-cyclooctadeca-2,5,8,11,14,17-hexayne

Guidance literature:

With n-butyllithium; Yield given. Multistep reaction. Further byproducts given; 1.) THF, room temperature, 3 h, 2.) THF, room temperature, 8 h;

DOI:10.1039/c39880001079

Reference yield: 74.0%

1,1,4,4,7,7,10,10-Octaphenyl-1,4,7,10-tetrasila-cyclododeca-2,5,8,11-tetrayne (252955-61-6) → 1,1,4,4,7,7,10,10-octaphenyl-1,4,7,10tetrasila-cyclododecane

Guidance literature:

With toluene-4-sulfonic acid hydrazide; In diethylene glycol dimethyl ether; at 162 ℃;

DOI:10.1246/cl.2000.1416

upstream raw materials:

diphenylsilyl dichloride

diethynyldiphenylsilane