2,7-Difluoro-9h-fluorene

Base Information

Chemical Name:2,7-Difluoro-9h-fluorene
CAS No.:2195-50-8
Molecular Formula:C₁₃H₈F₂
Molecular Weight:202.203
Hs Code.:2903999090
NSC Number:56688
DSSTox Substance ID:DTXSID10288579
Nikkaji Number:J308.044G
Wikidata:Q82025657
Mol file:2195-50-8.mol

Synonyms:2,7-difluoro-9h-fluorene;2195-50-8;9H-Fluorene, 2,7-difluoro-;NSC56688;2,7-difluorofluorene;SCHEMBL577480;DTXSID10288579;BNDBYDSPAZGULI-UHFFFAOYSA-N;NSC-56688

Suppliers and Price of 2,7-Difluoro-9h-fluorene

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 7 raw suppliers

Chemical Property of 2,7-Difluoro-9h-fluorene

Chemical Property:

Vapor Pressure:0.00175mmHg at 25°C
Boiling Point:302.7°C at 760 mmHg
Flash Point:114.1°C
PSA：0.00000
Density:1.289g/cm³
LogP:3.53600
XLogP3:3.9
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:0
Exact Mass:202.05940658
Heavy Atom Count:15
Complexity:217

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1C2=C(C=CC(=C2)F)C3=C1C=C(C=C3)F

Technology Process of 2,7-Difluoro-9h-fluorene

There total 4 articles about 2,7-Difluoro-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: 52.0%

: 525-64-4
2,7-fluorenediamine

: 2195-50-8
2,7-difluoro-9-fluorene

Guidance literature:: 2,7-fluorenediamine; With fluoroboric acid; sodium nitrite; In tetrahydrofuran; at -10 ℃; for 1.5h;

In xylenes; at 110 ℃; for 4h; Heating / reflux;

Reference yield:

: 343-43-1
2-fluoro-9H-fluorene

: 2195-50-8
2,7-difluoro-9-fluorene

Guidance literature:: Multi-step reaction with 3 steps

1: HNO₃, AcOH

2: Zn, aq. CaCl₂ / aq. ethanol / Heating

3: (i) NaNO₂, aq. HCl, (ii) aq. HBF₄, (iii) (thermolysis)

With nitric acid; acetic acid; calcium chloride; zinc; In ethanol;

Reference yield:

: 1806-25-3
2-fluoro-7-nitro-fluorene

: 2195-50-8
2,7-difluoro-9-fluorene

Guidance literature:: Multi-step reaction with 2 steps

1: Zn, aq. CaCl₂ / aq. ethanol / Heating

2: (i) NaNO₂, aq. HCl, (ii) aq. HBF₄, (iii) (thermolysis)

With calcium chloride; zinc; In ethanol;