1,2,3,4-tetra-tert-butyl-1,2,3,4-tetramethyltetrasiletane

Base Information

• Chemical Name: 1,2,3,4-tetra-tert-butyl-1,2,3,4-tetramethyltetrasiletane
• CAS No.: 63357-19-7
• Molecular Formula: C20H48Si4
• Molecular Weight: 400.9371
• Mol file: 63357-19-7.mol

Synonyms:Cyclotetrasilane,1,2,3,4-tetrakis(1-dimethylethyl)-1,2,3,4-tetramethyl;trans-1,2,3,4-tetra-tert-butyltetramethylcyclotetrasilane;Tetra-(tert-butyl)-tetramethylcyclotetrasilan;

Chemical Property of 1,2,3,4-tetra-tert-butyl-1,2,3,4-tetramethyltetrasiletane

Chemical Property:

• Vapor Pressure: 8.51E-05mmHg at 25°C
• Boiling Point: 351.1°Cat760mmHg
• Flash Point: 130.8°C
• PSA: 0.00000
• Density: 0.83g/cm³
• LogP: 7.82840

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2,3,4-tetra-tert-butyl-1,2,3,4-tetramethyltetrasiletane

There total 4 articles about 1,2,3,4-tetra-tert-butyl-1,2,3,4-tetramethyltetrasiletane 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: 24.0%

1,2-di-t-butyl-1,2-dichloro-1,2-dimethyldisilane (89372-94-1) → 1,2,3,4-tetra-tert-butyltetramethylcyclotetrasilane (63357-19-7,83212-89-9,83212-90-2,83212-91-3,83212-92-4)

Guidance literature:

With lithium; In tetrahydrofuran; for 7h; Ambient temperature;

DOI:10.1246/cl.1983.1711

Reference yield:

tert-butyldichloromethylsilane (18147-18-7) → 1,2,3,4-tetra-tert-butyltetramethylcyclotetrasilane (63357-19-7,83212-89-9,83212-90-2,83212-91-3,83212-92-4)

Guidance literature:

With potassium Sodium;

DOI:10.1016/S0022-328X(00)93402-8

Reference yield:

1,2-dichloro-1,1,2,2-tetraneopentyldisilane (100636-64-4) + 1,2-di-t-butyl-1,2-dichloro-1,2-dimethyldisilane (89372-94-1) → 1,2,3,4-tetra-tert-butyltetramethylcyclotetrasilane (63357-19-7,83212-89-9,83212-90-2,83212-91-3,83212-92-4) + octaneopentylcyclotetrasilane (100636-63-3) + 1,2-Di-tert-butyl-3,3,4,4-tetrakis-(2,2-dimethyl-propyl)-1,2-dimethyl-tetrasiletane

Guidance literature:

With lithium; In tetrahydrofuran; Yield given. Yields of byproduct given. Title compound not separated from byproducts; Ambient temperature;

DOI:10.1039/c39850001366

upstream raw materials:

tert-butyldichloromethylsilane

1,2-dichloro-1,1,2,2-tetraneopentyldisilane

1,2-di-t-butyl-1,2-dichloro-1,2-dimethyldisilane