4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene

Base Information

• Chemical Name: 4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene
• CAS No.: 940934-47-4
• Molecular Formula: C₃₉H₅₆OP₂
• Molecular Weight: 602.821
• Hs Code.: 2932999099
• Mol file: 940934-47-4.mol

Synonyms:4,5-Bis(dicyclohexylphosphino)-9,10a-Dihydro-9,9-Dimethyl-8ah-Xanthene;(9,9-dimethyl-9H-xanthene-4,5-diyl)bis(dicyclohexylphosphane);

Chemical Property of 4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene

Chemical Property:

• Vapor Pressure: 5.19E-19mmHg at 25°C
• Melting Point: 169.0 to 174.0 °C
• Boiling Point: 706.8 °C at 760 mmHg
• Flash Point: 482.1 °C
• PSA: 36.41000
• LogP: 11.71500
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

4,5-bis(dicyclohexylphosphino)-9,10A-dihydro-9,9-dimethyl-8AH-xanthene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: suzuki reaction

Technology Process of 4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene

There total 1 articles about 4,5-Bis(dicyclohexylphosphino)-9,10a-dihydro- 9,9-dimethyl-8aH-xanthene 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: 55.0%

9,9-dimethylxanthene (19814-75-6) + chlorodicyclohexylphosphane (16523-54-9) → (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(dicyclohexylphosphane) (940934-47-4)

Guidance literature:

9,9-dimethylxanthene; With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In hexane; at 20 ℃; for 20h;

chlorodicyclohexylphosphane; In hexane; at 60 ℃; for 24h; Further stages.;

DOI:10.1246/cl.2007.528

upstream raw materials:

9,9-dimethylxanthene

chlorodicyclohexylphosphane

Refernces