2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane

Base Information

• Chemical Name: 2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane
• CAS No.: 34239-75-3
• Molecular Formula: C35H40 O5 Si5
• Molecular Weight: 681.127
• DSSTox Substance ID: DTXSID80423935
• Nikkaji Number: J2.403.370H
• Mol file: 34239-75-3.mol

Synonyms:34239-75-3;2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane;2,4,6,8,10-pentamethyl-2,4,6,8,10-pentakis-phenyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane;Cyclopentasiloxane, 2,4,6,8,10-pentamethyl-2,4,6,8,10-pentaphenyl-;SCHEMBL208979;DTXSID80423935;PBPJPEGDEUOZHC-UHFFFAOYSA-N;2,4,6,8,10-pentamethyl-2,4,6,8,10-pentaphenylcyclopentasiloxane;2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenylcyclodecanepentasiloxane

Chemical Property of 2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane

Chemical Property:

• PSA: 46.15000
• LogP: 4.97900
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 5
• Exact Mass: 680.17220704
• Heavy Atom Count: 45
• Complexity: 745

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C[Si]1(O[Si](O[Si](O[Si](O[Si](O1)(C)C2=CC=CC=C2)(C)C3=CC=CC=C3)(C)C4=CC=CC=C4)(C)C5=CC=CC=C5)C6=CC=CC=C6

Technology Process of 2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane

There total 2 articles about 2,4,6,8,10-Pentamethyl-2,4,6,8,10-pentaphenyl-[1,3,5,7,9,2,4,6,8,10]cyclopentosiloxane 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: 11.0%

dichloromethylphenylsilane (149-74-6) → 2.4.6.8.10-Pentamethyl-2.4.6.8.10-pentaphenyl-cyclopentasiloxan (34239-75-3) + 1,3,5-triphenyl-1,3,5-trimethylcyclotrisiloxane (546-45-2) + 2,4,6,8-tetraphenyl-2,4,6,8-tetramethylcyclotetrasiloxane (77-63-4) + cis-trans-cis-2,4,6,8-tetraphenyl-2,4,6,8-tetramethylcyclotetrasiloxane (15331-54-1)

Guidance literature:

With water; In tetrahydrofuran; for 10h; Heating;

DOI:10.1246/bcsj.78.1105

Reference yield:

→ 2.4.6.8.10-Pentamethyl-2.4.6.8.10-pentaphenyl-cyclopentasiloxan (34239-75-3)

Guidance literature:

Phenyl-dichlor-methylsilan, Hydrolyse nach Lewis (Am.Soc. 70 <1948> 1115);

upstream raw materials:

dichloromethylphenylsilane

Refernces