1,8-dimethyl-9H-fluorene

Base Information

• Chemical Name: 1,8-dimethyl-9H-fluorene
• CAS No.: 1207-11-0
• Molecular Formula: C15H14
• Molecular Weight: 194.27200
• Hs Code.: 2902909090
• DSSTox Substance ID: DTXSID80399585
• Nikkaji Number: J257.906E
• Wikidata: Q82202228
• Mol file: 1207-11-0.mol

Synonyms:1,8-dimethyl-9H-fluorene;1207-11-0;9H-Fluorene, 1,8-dimethyl-;DTXSID80399585;AKOS024331421

Chemical Property of 1,8-dimethyl-9H-fluorene

Chemical Property:

• Melting Point: 152-154 °C(Solv: methanol (67-56-1))
• Boiling Point: 332.4±22.0 °C(Predicted)
• PSA: 0.00000
• Density: 1.074±0.06 g/cm3(Predicted)
• LogP: 3.87460
• XLogP3: 5.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 194.109550447
• Heavy Atom Count: 15
• Complexity: 208

Purity/Quality:

97% ^*data from raw suppliers

1,8-DIMETHYL-9H-FLUORENE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C2CC3=C(C=CC=C3C2=CC=C1)C

Technology Process of 1,8-dimethyl-9H-fluorene

There total 10 articles about 1,8-dimethyl-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: 25.0%

3,6-Di-tert-butyl-1,8-dimethyl-9H-fluorene (147644-47-1) → 1,8-Dimethylfluoren (1207-11-0)

Guidance literature:

With aluminium trichloride; nitromethane; In benzene; at 50 ℃; for 4h;

DOI:10.1055/s-1993-25829

Reference yield:

3,6-di-tert-butyl-9H-fluorene (58775-07-8) → 1,8-Dimethylfluoren (1207-11-0)

Guidance literature:

Multi-step reaction with 3 steps

1: 57 percent / TiCl₄ / CS₂ / 5 h / 50 °C

2: 41 percent / LiAlH₄ / tetrahydrofuran / 5 h / Heating

3: 25 percent / AlCl₃, MeNO₂ / benzene / 4 h / 50 °C

With lithium aluminium tetrahydride; aluminium trichloride; nitromethane; titanium tetrachloride; In tetrahydrofuran; carbon disulfide; benzene;

DOI:10.1055/s-1993-25829

Reference yield:

1,8-dimethylfluoren-9-one (41139-98-4) → 1,8-Dimethylfluoren (1207-11-0)

Guidance literature:

With hydrogen bromide; hydrazine; In ethylene glycol; at 170 - 190 ℃;

upstream raw materials:

1,8-dimethylfluoren-9-one

3,6-Di-tert-butyl-1,8-dimethyl-9H-fluorene

1,8-Dimethyl-2,3,4,9-tetrahydro-1H-fluorene-1-carboxylic acid

3,6-di-tert-butyl-9H-fluorene