2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane

Base Information

• Chemical Name: 2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane
• CAS No.: 13438-48-7
• Molecular Formula: C₂₀H₃₄O₅Si₅
• Molecular Weight: 494.914
• Mol file: 13438-48-7.mol

Synonyms:1,1-diphenyl-3,3,5,5,7,7,9,9-octamethylcyclopentasiloxane

Chemical Property of 2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane

Chemical Property:

• Vapor Pressure: 5.34E-06mmHg at 25°C

Purity/Quality:

98%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane

There total 5 articles about 2,2,4,4,6,6,8,8-octamethyl-10,10-diphenyl-1,3,5,7,9,2,4,6,8,10-pentoxapentasilecane 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: 29.0%

octamethylcyclotetrasiloxane (556-67-2) + dimethoxy(diphenyl)silane (6843-66-9) → 1,1-diphenyl-3,3,5,5,7,7-hexamethyltetracyclosiloxane (1693-44-3) + 1,1-diphenyl-3,3,5,5,7,7,9,9-octamethylcyclopentasiloxane (13438-48-7)

Guidance literature:

With oxygen; tert-butylammonium hexafluorophosphate(V); In N,N-dimethyl-formamide; at -10 ℃; Electrolysis;

DOI:10.1039/b300620b

Reference yield: 24.0%

Hexamethylcyclotrisiloxane (541-05-9) + dimethoxy(diphenyl)silane (6843-66-9) → 1,1-diphenyl-3,3,5,5,7,7-hexamethyltetracyclosiloxane (1693-44-3) + 1,1,1,5,5,5-hexamethyl-3,3-diphenyltrisiloxane (797-77-3) + 1,1-diphenyl-3,3,5,5,7,7,9,9-octamethylcyclopentasiloxane (13438-48-7)

Guidance literature:

With oxygen; tert-butylammonium hexafluorophosphate(V); In N,N-dimethyl-formamide; at 45 ℃; Electrolysis;

DOI:10.1039/b300620b

Reference yield: 21.0%

octamethylcyclotetrasiloxane (556-67-2) + dimethoxy(diphenyl)silane (6843-66-9) → 1,1-diphenyl-3,3,5,5,7,7-hexamethyltetracyclosiloxane (1693-44-3) + 1,1,1,5,5,5-hexamethyl-3,3-diphenyltrisiloxane (797-77-3) + 1,1-diphenyl-3,3,5,5,7,7,9,9-octamethylcyclopentasiloxane (13438-48-7)

Guidance literature:

With oxygen; tert-butylammonium hexafluorophosphate(V); In N,N-dimethyl-formamide; at 45 ℃; Electrolysis;

DOI:10.1039/b300620b

upstream raw materials:

Hexamethylcyclotrisiloxane

dimethoxy(diphenyl)silane

octamethylcyclotetrasiloxane

1,1,3,3,5,5,7,7-octamethyltetrasiloxane

Refernces

• 1、 Keyrouz, Robert,Jouikov, Viatcheslav. "Electrochemical activation of diorganyl dialkoxysilanes for siloxane backbone extension". . p. 902 - 904. Retrieved 2007/10/03.