2-AMINO-5-FLUORO-4-NITROBENZOIC ACID

Base Information

• Chemical Name: 2-AMINO-5-FLUORO-4-NITROBENZOIC ACID
• CAS No.: 174566-51-9
• Molecular Formula: C7H5FN2O4
• Molecular Weight: 200.12
• Mol file: 174566-51-9.mol

Synonyms:2-Amino-5-fluoro-4-nitrobenzoicacid;

Chemical Property of 2-AMINO-5-FLUORO-4-NITROBENZOIC ACID

Chemical Property:

• Boiling Point: 451.4 °C at 760 mmHg
• PKA: 3.58±0.13(Predicted)
• Flash Point: 226.8 °C
• PSA: 109.14000
• Density: 1.663 g/cm³
• LogP: 2.11870

Purity/Quality:

98%min ^*data from raw suppliers

2-AMINO-5-FLUORO-4-NITROBENZOIC ACID 98.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-AMINO-5-FLUORO-4-NITROBENZOIC ACID

There total 1 articles about 2-AMINO-5-FLUORO-4-NITROBENZOIC ACID 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: 82.0%

2-acetylamino-5-fluoro-4-nitro-benzoic acid (273401-28-8) → 2-amino-5-fluoro-4-nitro-benzoic acid (174566-51-9)

Guidance literature:

With hydrogenchloride;

Reference yield:

2-amino-5-fluoro-4-nitro-benzoic acid (174566-51-9) → 2-amino-5-fluoro-4-nitro-benzoic acid methyl ester (174566-22-4)

Guidance literature:

In ethyl acetate;

Reference yield:

2-amino-5-fluoro-4-nitro-benzoic acid (174566-51-9) → 2-chloro-N-(4-((2-chloro-5-hydroxyphenyl)amino)-6-(prop-2-yn-1-yloxy)quinazolin-7-yl)acetamide

Guidance literature:

Multi-step reaction with 6 steps

1.1: 5 h / 130 °C / Inert atmosphere

2.1: thionyl chloride; N,N-dimethyl-formamide / 3 h / Inert atmosphere; Reflux

3.1: isopropyl alcohol / 20 °C / Inert atmosphere

4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.5 h / 0 °C / Inert atmosphere

4.2: 0 - 20 °C / Inert atmosphere

5.1: zinc; ammonium chloride / methanol / 16 h / 20 °C / Inert atmosphere

6.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran; dichloromethane / 3 h / 20 °C / Inert atmosphere

With thionyl chloride; sodium hydride; ammonium chloride; N-ethyl-N,N-diisopropylamine; N,N-dimethyl-formamide; zinc; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; isopropyl alcohol; mineral oil;

DOI:10.1021/jacs.6b05483

upstream raw materials:

2-acetylamino-5-fluoro-4-nitro-benzoic acid

Downstream raw materials:

2-amino-5-fluoro-4-nitro-benzoic acid methyl ester