2,7-Dibromo-4-nitro-9h-fluoren-9-one

Base Information

Chemical Name:2,7-Dibromo-4-nitro-9h-fluoren-9-one
CAS No.:1785-04-2
Molecular Formula:C₁₃H₅Br₂NO₃
Molecular Weight:382.996
Hs Code.:
NSC Number:90689
DSSTox Substance ID:DTXSID90293560
Nikkaji Number:J2.793.137E
Wikidata:Q82032369
Mol file:1785-04-2.mol

Synonyms:2,7-dibromo-4-nitro-9h-fluoren-9-one;1785-04-2;NSC90689;2,7-dibromo-4-nitro-fluoren-9-one;NCIOpen2_009822;DTXSID90293560;NSC-90689;AKOS024432084

Suppliers and Price of 2,7-Dibromo-4-nitro-9h-fluoren-9-one

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 8 raw suppliers

Chemical Property of 2,7-Dibromo-4-nitro-9h-fluoren-9-one

Chemical Property:

Vapor Pressure:6.59E-11mmHg at 25°C
Boiling Point:519.8°C at 760 mmHg
Flash Point:268.2°C
Density:2.025g/cm³
XLogP3:4.1
Hydrogen Bond Donor Count:0
Hydrogen Bond Acceptor Count:3
Rotatable Bond Count:0
Exact Mass:382.86157
Heavy Atom Count:19
Complexity:411

Purity/Quality:: 98%min ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:C1=CC2=C(C=C1Br)C(=O)C3=C2C(=CC(=C3)Br)[N+](=O)[O-]

Technology Process of 2,7-Dibromo-4-nitro-9h-fluoren-9-one

There total 4 articles about 2,7-Dibromo-4-nitro-9h-fluoren-9-one 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: 98.0%

: 1785-07-5
2,7-dibromo-4-nitro-9H-fluorene

: 1785-04-2
2,7-dibromo-4-nitro-fluoren-9-one

Guidance literature:: With air; graphene-supported KOH composite; In N,N-dimethyl-formamide; at 20 ℃; for 10h;
DOI:10.1002/cplu.201300123

Reference yield: 91.0%

: 14348-75-5
2,7-dibromofluorene-9-one

: 1785-04-2
2,7-dibromo-4-nitro-fluoren-9-one

Guidance literature:: With sulfuric acid; nitric acid; In water; for 4h; regioselective reaction; Reflux;
DOI:10.1080/00397910902838904

Reference yield:

: 16433-88-8
2,7-dibromo-9H-fluorene

: 1785-04-2
2,7-dibromo-4-nitro-fluoren-9-one

Guidance literature:: Multi-step reaction with 2 steps

1: 63 percent / HNO₃; H₂SO₄; AcOH / 0.67 h / 35 - 70 °C

2: t-butyl hydroperoxide; chromium(III) oxide / CH₂Cl₂ / 19 h / Heating

With tert.-butylhydroperoxide; chromium(III) oxide; sulfuric acid; nitric acid; acetic acid; In dichloromethane;
DOI:10.1016/S0040-4020(03)00334-X