2-Bromo-4-nitrobenzonitrile

Base Information

• Chemical Name: 2-Bromo-4-nitrobenzonitrile
• CAS No.: 34662-35-6
• Molecular Formula: C7H3BrN2O2
• Molecular Weight: 227.017
• Hs Code.: 2926907090
• Mol file: 34662-35-6.mol

Synonyms:2-Brom-4-nitrobenzonitril;

Chemical Property of 2-Bromo-4-nitrobenzonitrile

Chemical Property:

• Boiling Point: 363.301 °C at 760 mmHg
• Flash Point: 173.519 °C
• PSA: 69.61000
• Density: 1.812 g/cm³
• LogP: 2.75218

Purity/Quality:

99% ^*data from raw suppliers

2-Bromo-4-nitrobenzonitrile ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Bromo-4-nitrobenzonitrile

There total 5 articles about 2-Bromo-4-nitrobenzonitrile 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: 93.0%

4-nitrobenzonitrile (619-72-7) → 2-bromo-4-nitrobenzonitrile (34662-35-6)

Guidance literature:

With N-Bromosuccinimide; palladium diacetate; toluene-4-sulfonic acid; In 1,2-dichloro-ethane; at 70 ℃; for 12h; Sealed tube;

DOI:10.1021/jo302765g

Reference yield: 61.0%

2-bromo-4-nitroaniline (13296-94-1) + copper(l) cyanide → 2-bromo-4-nitrobenzonitrile (34662-35-6)

Guidance literature:

2-bromo-4-nitroaniline; With hydrogenchloride; sodium nitrite; In water; at 0 ℃; for 1h; Inert atmosphere;

copper(l) cyanide; With potassium cyanide; In water; at 50 ℃; for 1h; Inert atmosphere;

DOI:10.1002/ejoc.201101170

Reference yield:

2-cyano-5-nitrotoluene (89001-53-6) → 2-bromo-4-nitrobenzonitrile (34662-35-6)

Guidance literature:

With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile); In tetrachloromethane; for 8h; Heating / reflux;

upstream raw materials:

2-cyano-5-nitrotoluene

2-bromo-4-nitroaniline

copper(I) cyanide

potassium cyanide

Downstream raw materials:

4-amino-2-bromobenzonitrile

4-amino-2-cyclopropylbenzonitrile

Refernces

• 1、 Du, Bingnan,Jiang, Xiaoqing,Sun, Peipei. "Palladium-catalyzed highly selective ortho-halogenation (I, Br, Cl) of arylnitriles via sp2 C-H bond activation using cyano as directing group". . p. 2786 - 2791. Retrieved 2013/04/24.
• 2、 -. "FUSED HETEROCYCLIC COMPOUNDS USEFUL AS MODULATORS OF NUCLEAR HORMONE RECEPTOR FUNCTION". Page/Page column 139. . Retrieved 2009/03/07.