CYCLOTETRAMETHYLENEDIMETHYLSILANE

Base Information

• Chemical Name: CYCLOTETRAMETHYLENEDIMETHYLSILANE
• CAS No.: 1072-54-4
• Molecular Formula: C6H14Si
• Molecular Weight: 114.263
• Hs Code.: 2934999090
• Mol file: 1072-54-4.mol

Synonyms:Silacyclopentane,1,1-dimethyl-;1,1-Dimethylsilacyclopentane;1,1-Dimethylsilolan;Cyclotetramethylenedimethylsilane;

Chemical Property of CYCLOTETRAMETHYLENEDIMETHYLSILANE

Chemical Property:

• Vapor Pressure: 29.8mmHg at 25°C
• Refractive Index: 1.4349
• Boiling Point: 108.8 °C at 760 mmHg
• Flash Point: 4.4 °C
• PSA: 0.00000
• Density: 0.79 g/cm³
• LogP: 2.48860

Purity/Quality:

98% ^*data from raw suppliers

CYCLOTETRAMETHYLENEDIMETHYLSILANE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of CYCLOTETRAMETHYLENEDIMETHYLSILANE

There total 2 articles about CYCLOTETRAMETHYLENEDIMETHYLSILANE 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:

chloro-trimethyl-silane (75-77-4) + 4-(Benzyldimethylsilyl)butyllithium (109154-39-4) → 1,1-dimethyl-1-silacyclopentane (1072-54-4) + benzyltrimethylsilane (770-09-2) + 1-Methyl-1-trimethylsilanylmethyl-silolane (94741-16-9) + benzyldimethyl(n-butyl)silane (109154-38-3) + 1-Methyl-1-(phenyl-trimethylsilanyl-methyl)-silolane (109154-40-7) + [(Butyl-dimethyl-silanyl)-trimethylsilanyl-methyl]-benzene (109154-37-2)

Guidance literature:

With water; Product distribution; Multistep reaction; intramolecular stabilization;

Reference yield:

1,1-dimethylsilacyclobutane (2295-12-7) + Ketene (463-51-4) → 1,1-dimethyl-1-silacyclopentane (1072-54-4) + 1-methyl-1-ethyl-1-silacyclobutane (765-45-7) + 1,1,2-Trimethyl-1-silacyclobutane (30681-90-4) + 1,1,3-trimethyl-1-silacyclobutane (2295-13-8)

Guidance literature:

Irradiation;

DOI:10.1039/c39890000284

Reference yield: 73.0%

1,1-dimethyl-1-silacyclopentane (1072-54-4) + (4-bromophenyl)thioanisole (104-95-0) → 1,1-bis(4-(methylthio)phenyl)silacyclopentane (1494347-86-2)

Guidance literature:

(4-bromophenyl)thioanisole; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 1.16667h;

1,1-dimethyl-1-silacyclopentane; In tetrahydrofuran; hexane; at -78 ℃; for 0.25h;

DOI:10.1021/ja410656a

upstream raw materials:

1,1-dimethylsilacyclobutane

Ketene

chloro-trimethyl-silane

4-(Benzyldimethylsilyl)butyllithium

Downstream raw materials:

triphenylmethane

But-3-enyl-fluoro-dimethyl-silane

1,1-diphenylsilacyclopentane

1-Methyl-1-trimethylsilanylmethyl-silolane

Refernces

• 1、 Maercker, Adalbert,Stoetzel, Reinhard. "Carbanion Rearrangements of ω-Phenyl-ω-(trimethylsilyl)alkyllithium Compounds: Intramolecular Reactions of Benzyltrimethylsilanes with a Carbon-Lithium Bond". . p. 1695 - 1706. Retrieved 2007/10/02.