3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasilahexacosane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-

Base Information

• Chemical Name: 3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasilahexacosane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-
• CAS No.: 18857-23-3
• Molecular Formula: C₃₀H₇₈O₄Si₈
• Molecular Weight: 727.631
• Mol file: 18857-23-3.mol

Synonyms:

Chemical Property of 3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasilahexacosane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasilahexacosane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-

There total 3 articles about 3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasilahexacosane, 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl- 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:

2,7-dimethyl-2,7-disila-octane-2,7-diol (18420-04-7) → 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasila-hexacosane (18857-23-3)

Guidance literature:

With trifluoroacetic acid; benzene; anschliessend Behandeln mit Hexamethyl-disiloxan und H₂SO₄;

DOI:10.1021/ja01614a037

Reference yield:

Si,Si'-difluoro-Si,Si,Si',Si'-tetramethyl-Si,Si'-butanediyl-bis-silane (590-82-9) → 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasila-hexacosane (18857-23-3)

Guidance literature:

Multi-step reaction with 2 steps

1: aqueous KOH

2: benzene; trifluoroacetic acid / anschliessend Behandeln mit Hexamethyl-disiloxan und H₂SO₄

With potassium hydroxide; trifluoroacetic acid; benzene;

DOI:10.1021/ja01614a037

Reference yield:

1,4-bis(dimethylsilyl)butane (18406-28-5) → 2,2,4,4,9,9,11,11,16,16,18,18,23,23,25,25-hexadecamethyl-3,10,17,24-tetraoxa-2,4,9,11,16,18,23,25-octasila-hexacosane (18857-23-3)

Guidance literature:

Multi-step reaction with 3 steps

1: H₂SO₄ / anschliessend Behandeln mit Aether-BF₃

2: aqueous KOH

3: benzene; trifluoroacetic acid / anschliessend Behandeln mit Hexamethyl-disiloxan und H₂SO₄

With potassium hydroxide; sulfuric acid; trifluoroacetic acid; benzene;

DOI:10.1021/ja01614a037

upstream raw materials:

2,7-dimethyl-2,7-disila-octane-2,7-diol

Si,Si'-difluoro-Si,Si,Si',Si'-tetramethyl-Si,Si'-butanediyl-bis-silane

1,4-bis(dimethylsilyl)butane