2,7-Diethyl-9H-fluorene

Base Information

• Chemical Name: 2,7-Diethyl-9H-fluorene
• CAS No.: 39665-90-2
• Molecular Formula: C17H18
• Molecular Weight: 0
• Mol file: 39665-90-2.mol

Synonyms:2,7-Diethyl-9H-fluorene

Chemical Property of 2,7-Diethyl-9H-fluorene

Chemical Property:

• PSA: 0.00000
• LogP: 4.38260

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-Diethyl-9H-fluorene

There total 4 articles about 2,7-Diethyl-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: 99.0%

2,7-diacetylfluorene (961-27-3) → 2,7-diethylfluorene (39665-90-2)

Guidance literature:

2,7-diacetylfluorene; With hydrazine hydrate; at 95 - 130 ℃; for 2h;

With potassium hydroxide; at 80 - 200 ℃; for 5h;

DOI:10.1039/d0ce01794a

Reference yield:

9H-fluorene (86-73-7) → 2,7-diethylfluorene (39665-90-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 100 percent / AlCl₃ / CH₂Cl₂ / 2 h / Ambient temperature

2: 90 percent / H₂ / 10percent Pd/C / tetrahydrofuran

With aluminium trichloride; hydrogen; palladium on activated charcoal; In tetrahydrofuran; dichloromethane;

DOI:10.1016/0022-328X(95)05640-B

Reference yield:

9H-fluorene (86-73-7) → 2,7-diethylfluorene (39665-90-2)

Guidance literature:

Multi-step reaction with 3 steps

1: AlCl₃ / tetrachloroethene

2: AlCl₃ / tetrachloroethene

3: Na, N₂H₄, NaOH / ethane-1,2-diol

With sodium hydroxide; aluminium trichloride; sodium; hydrazine; In 1,1,2,2-tetrachloroethylene; ethylene glycol;

upstream raw materials:

2,7-diacetylfluorene

9H-fluorene

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

Refernces

• 1、 Schmid, Michael A.,Alt, Helmut G.,Milius, Wolfgang. "Unbridged cyclopentadienyl-fluorenyl complexes of zirconium as catalysts for homogeneous olefin polymerization". . p. 101 - 106. Retrieved 2007/10/02.