(2-cyclopentylethene-1,1-diyl)dibenzene

Base Information

• Chemical Name: (2-cyclopentylethene-1,1-diyl)dibenzene
• CAS No.: 1460-13-5
• Molecular Formula: C₁₉H₂₀
• Molecular Weight: 248.368
• Mol file: 1460-13-5.mol

Synonyms:(2-cyclopentylethene-1,1-diyl)dibenzene

Chemical Property of (2-cyclopentylethene-1,1-diyl)dibenzene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2-cyclopentylethene-1,1-diyl)dibenzene

There total 15 articles about (2-cyclopentylethene-1,1-diyl)dibenzene 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: 91.0%

1,1-Diphenylethylene (530-48-3) + Cyclopentane (287-92-3) → (2-cyclopentylethene-1,1-diyl)dibenzene (1460-13-5)

Guidance literature:

With decacarbonyldirhenium⁽⁰⁾; 2-(1-acetoxy-3-oxo-1,3-dihydro-1λ³-benzo[d][1,2]iodazol-2-yl)-propionic acid methyl ester; at 150 ℃; for 12h; regioselective reaction; Sealed tube; Inert atmosphere; Schlenk technique; Green chemistry;

DOI:10.1039/c5ob00619h

Reference yield: 80.0%

Cyclopentyl bromide (137-43-9) + 1-bromo-2,2-diphenylethylene (13249-58-6) → (2-cyclopentylethene-1,1-diyl)dibenzene (1460-13-5)

Guidance literature:

With (1,2-dimethoxyethane)dichloronickel(II); tris-(trimethylsilyl)silane; [4,4′-bis(1,1-dimethylethyl)-2,2′-bipyridine-N1,N1′]bis{3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-κN]phenyl-κC}iridium(III) hexafluorophosphate; sodium carbonate; 4,4'-di-tert-butyl-2,2'-bipyridine; In tetrahydrofuran; at 35 ℃; for 24h; Schlenk technique; Inert atmosphere; Irradiation;

DOI:10.1039/c8cc08362b

Reference yield: 72.0%

Cyclopentyl bromide (137-43-9) + phenyl 2,2-diphenylethenyl sulfone (26189-62-8) → (2-cyclopentylethene-1,1-diyl)dibenzene (1460-13-5)

Guidance literature:

With tris-(trimethylsilyl)silane; [4,4′-bis(1,1-dimethylethyl)-2,2′-bipyridine-N1,N1′]bis{3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-κN]phenyl-κC}iridium(III) hexafluorophosphate; potassium carbonate; In acetonitrile; at 20 ℃; for 24h; Schlenk technique; Irradiation;

DOI:10.1039/c8cc08362b

upstream raw materials:

ethyl cyclopentylacetate

2-cyclopentyl-1,1-diphenylethanol

1-(2,2-Diphenylvinyl)-1-cyclopentanecarbaldehyde

4,4-diphenylbut-3-enoic acid

Downstream raw materials:

1-Cyclopentyl-2,2-diphenyl-aethan

Refernces

• 1、 Ni, Shengyang,Zhang, Yu,Xie, Chen,Mei, Haibo,Han, Jianlin,Pan, Yi. "Oxidative Difunctionalization of Alkynoates through Alkylation and Migration Decarboxylative Arylation". . p. 5524 - 5527. Retrieved 2015.
• 2、 Kong, De-Long,Cheng, Liang,Wu, Hong-Ru,Li, Yang-Xiong,Wang, Dong,Liu, Li. "A metal-free yne-addition/1,4-aryl migration/decarboxylation cascade reaction of alkynoates with Csp3-H centers". . p. 2210 - 2217. Retrieved 2016/03/01.