2,7-Dichloro-4-nitro-9H-fluoren-9-one

Base Information

• Chemical Name: 2,7-Dichloro-4-nitro-9H-fluoren-9-one
• CAS No.: 37568-11-9
• Molecular Formula: C13H5Cl2NO3
• Molecular Weight: 294.09
• Mol file: 37568-11-9.mol

Synonyms:2,7-Dichloro-4-nitro-9H-fluoren-9-one;

Chemical Property of 2,7-Dichloro-4-nitro-9H-fluoren-9-one

Chemical Property:

• Vapor Pressure: 9.36E-10mmHg at 25°C
• Refractive Index: 1.706
• Boiling Point: 490.2 °C at 760 mmHg
• Flash Point: 250.2 °C
• PSA: 62.89000
• Density: 1.628 g/cm³
• LogP: 4.63620

Purity/Quality:

99%, ^*data from raw suppliers

2,7-DICHLORO-4-NITRO-9-FLUORENONE Aldrich ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,7-Dichloro-4-nitro-9H-fluoren-9-one

There total 2 articles about 2,7-Dichloro-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:

2,7-dichloro-9H-fluorene (7012-16-0) → 2,7-Dichlor-4-nitro-fluorenon (37568-11-9)

Guidance literature:

Multi-step reaction with 2 steps

1: HNO₃, H₂SO₄ / acetic acid

2: Na₂Cr₂O₇, AcOH

With sodium dichromate; sulfuric acid; nitric acid; acetic acid; In acetic acid;

DOI:10.1021/jm00328a017

Reference yield:

2,7-Difluor-4-nitrofluoren (92961-04-1) → 2,7-Dichlor-4-nitro-fluorenon (37568-11-9)

Guidance literature:

With sodium dichromate; acetic acid;

DOI:10.1021/jm00328a017

Reference yield:

2,7-Dichlor-4-nitro-fluorenon (37568-11-9) → 4-Amino-2,7-dichloro-9H-fluoren-9-ol (37558-69-3)

Guidance literature:

With hydrazine hydrate; nickel; In ethanol;

DOI:10.1055/s-1972-21847

upstream raw materials:

2,7-Difluor-4-nitrofluoren

2,7-dichloro-9H-fluorene

Downstream raw materials:

4-Amino-2,7-dichloro-9H-fluoren-9-ol

Refernces