2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-diene

Base Information

• Chemical Name: 2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-diene
• CAS No.: 54767-28-1
• Molecular Formula: C10H16Si
• Molecular Weight: 164.32
• Hs Code.: 2931900090
• DSSTox Substance ID: DTXSID50411208
• Nikkaji Number: J392.290A
• Mol file: 54767-28-1.mol

Synonyms:2,7-dimethyl-5-silaspiro[4.4]nona-2,7-diene;54767-28-1;3,8-dimethyl-5-silaspiro[4.4]nona-2,7-diene;DTXSID50411208;AKOS006229066;InChI=1/C10H16Si/c1-9-3-5-11(7-9)6-4-10(2)8-11/h3-4H,5-8H2,1-2H

Chemical Property of 2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-diene

Chemical Property:

• Vapor Pressure: 0.587mmHg at 25°C
• Refractive Index: n20/D 1.51(lit.)
• Boiling Point: 140 °C105 mm Hg(lit.)
• Flash Point: 163 °F
• PSA: 0.00000
• Density: 0.939 g/mL at 25 °C(lit.)
• LogP: 3.35500
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 164.102127045
• Heavy Atom Count: 11
• Complexity: 209

Purity/Quality:

99% ^*data from raw suppliers

2,7-DIMETHYL-5-SILASPIRO[4.4]NONA-2,7-DIENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC[Si]2(C1)CC=C(C2)C

Technology Process of 2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-diene

There total 3 articles about 2,7-Dimethyl-5-silaspiro[4.4]nona-2,7-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:

dichlorodiethoxysilane (4667-38-3) + isoprene (78-79-5,9003-31-0) → 2,7-Dimethyl-5-silaspiro<4.4>nona-2,7-diene (54767-28-1)

Guidance literature:

With magnesium; In tetrahydrofuran; Heating;

DOI:10.1246/bcsj.50.1545

Reference yield:

isoprene (78-79-5,9003-31-0) → 2,7-Dimethyl-5-silaspiro<4.4>nona-2,7-diene (54767-28-1)

Guidance literature:

With tetrachlorosilane; magnesium; Yield given. Multistep reaction; THF; 1.) -78 deg C; 2.) a) -78 deg C, 1 h; b) -78 deg C to 0 deg C;

DOI:10.1021/jo00009a034

Reference yield:

→ 2,7-Dimethyl-5-silaspiro<4.4>nona-2,7-diene (54767-28-1)

Guidance literature:

Si(OEt)2, Isopren, Mg (Produktverteilung);

upstream raw materials:

dichlorodiethoxysilane

isoprene

Refernces