trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene

Base Information

• Chemical Name: trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene
• CAS No.: 72761-85-4
• Molecular Formula: C₂₀H₂₆OSi₂
• Molecular Weight: 338.597
• Mol file: 72761-85-4.mol

Synonyms:trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene

Chemical Property of trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene

There total 16 articles about trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene 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: 96.0%

1,1,3,3-Tetramethyldisiloxane (3277-26-7) + phenylacetylene (536-74-3) → trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene (72761-85-4)

Guidance literature:

With platinum 1,3-divinyl-1,1,3,3-tetramethyldisiloxane; tri-tert-butyl phosphine; In toluene; at 0 - 20 ℃; for 16h; optical yield given as %de; Inert atmosphere;

DOI:10.1039/b900852g

Reference yield: 92.0%

1,1,3,3-tetramethyl-1,3-(pinacolboryl)disiloxane + phenylacetylene (536-74-3) → trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene (72761-85-4)

Guidance literature:

With sodium t-butanolate; In tetrahydrofuran; methanol; at 20 ℃; for 6h; stereoselective reaction; Glovebox;

DOI:10.1039/c6ra07786b

Reference yield: 87.0%

styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + tetramethyldivinyldisiloxane (2627-95-4) → 1-styryl-3-vinyltetramethyldisiloxane (143966-40-9) + trans,trans-1,7-diphenyl-3,3,5,5-tetramethyl-3,5-disila-4-oxahepta-1,6-diene (72761-85-4)

Guidance literature:

styrene; tetramethyldivinyldisiloxane; With (carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II); In 1,4-dioxane; at 100 ℃; for 0.0833333h; Inert atmosphere;

With copper(l) chloride; In 1,4-dioxane; at 100 ℃; for 16h; stereoselective reaction; Inert atmosphere;

DOI:10.1055/s-0028-1083630

upstream raw materials:

benzophenone

β-styrylpentamethyldisilane

(E)-dimethyl(2-phenylethenyl)silane

β-styryl-N-pyrrolidinylmethyldimethylsilane

Downstream raw materials:

(E)-1,3,5-tri((E)-styryl)benzene

1,2,4,5-tetrakis[(E)-styryl]benzene

(E)-3-(2-phenylvinyl)pyridine

3,5-dimethyl-4-trans-styrylisoxazole