2-Ethyl-9H-fluorene

Base Information

• Chemical Name: 2-Ethyl-9H-fluorene
• CAS No.: 1207-20-1
• Molecular Formula: C15H14
• Molecular Weight: 194.27
• Hs Code.: 2902909090
• European Community (EC) Number: 635-218-0
• NSC Number: 121298
• DSSTox Substance ID: DTXSID10298178
• Nikkaji Number: J132.985E
• Wikidata: Q82039826
• Mol file: 1207-20-1.mol

Synonyms:2-Ethyl-9H-fluorene;1207-20-1;9H-Fluorene, 2-ethyl-;2-Ethylfluorene;Fluorene, 2-ethyl;NSC121298;2-Ethyl-9H-fluorene #;DTXSID10298178;CCG-54511;AKOS024331751;NSC-121298;SR-01000643603-1

Chemical Property of 2-Ethyl-9H-fluorene

Chemical Property:

• Vapor Pressure: 0.000519mmHg at 25°C
• Boiling Point: 322.7°C at 760 mmHg
• Flash Point: 155.6°C
• PSA: 0.00000
• Density: 1.072g/cm³
• LogP: 3.82020
• XLogP3: 5
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 1
• Exact Mass: 194.109550447
• Heavy Atom Count: 15
• Complexity: 220

Purity/Quality:

98%,99%, ^*data from raw suppliers

2-ETHYL-9H-FLUORENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CCC1=CC2=C(C=C1)C3=CC=CC=C3C2

Technology Process of 2-Ethyl-9H-fluorene

There total 13 articles about 2-Ethyl-9H-fluorene 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-(9H-fluoren-2-yl)ethanone (781-73-7) → 2-ethylfluorene (1207-20-1)

Guidance literature:

With sodium hypophosphite monohydrate; 5%-palladium/activated carbon; hypophosphorous acid; In water; at 100 ℃;

DOI:10.1016/j.tet.2014.02.014

Reference yield: 77.0%

2-ethynylfluorene (57700-19-3) → 2-ethylfluorene (1207-20-1)

Guidance literature:

With (S)-(+)-5,5’-bis[di(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-4,4’-bi-1,3-benzodioxole; (dimethoxy)methylsilane; copper diacetate; isopropyl alcohol; In tetrahydrofuran; at 60 ℃; for 9h; Sealed tube; Inert atmosphere;

DOI:10.1021/acs.orglett.0c03632

Reference yield: 50.0%

1-(9H-fluoren-2-yl)ethanone (781-73-7) → 2-ethylfluorene (1207-20-1) + 1-(2,3,4,9-Tetrahydro-1H-fluoren-2-yl)-ethanol (342895-22-1)

Guidance literature:

With diazoacetic acid ethyl ester; lithium; In tetrahydrofuran; at 20 - 25 ℃; for 1h;

upstream raw materials:

1-(9H-fluoren-2-yl)ethanone

ethyl bromide

9H-fluorene

Ethyl benzenesulfonate

Downstream raw materials:

1-(7-nitro-9H-fluorene-2-yl)ethanone

(7-Ethyl-9H-fluoren-2-yl)-phenyl-methanone

Refernces

• 1、 Sloane, Samantha E.,Reyes, Albert,Vang, Zoua Pa,Li, Lingzi,Behlow, Kiera T.,Clark, Joseph R.. "Copper-catalyzed formal transfer hydrogenation/deuteration of aryl alkynes". supporting information. p. 9139 - 9144. Retrieved 2020/11/30.
• 2、 Chai, Jianfang,Abboud, Khalil A.,Miller, Stephen A.. "Sterically expanded CGC catalysts: Substituent effects on ethylene and α-olefin polymerization". . p. 9139 - 9147. Retrieved 2013/07/27.