2-Chloro-5-fluoronicotinic acid

Base Information

• Chemical Name: 2-Chloro-5-fluoronicotinic acid
• CAS No.: 38186-88-8
• Molecular Formula: C6H3ClFNO2
• Molecular Weight: 175.547
• Hs Code.: 2933399090
• Mol file: 38186-88-8.mol

Synonyms:2-Chloro-5-fluoropyridine-3-carboxylic acid;

Chemical Property of 2-Chloro-5-fluoronicotinic acid

Chemical Property:

• Vapor Pressure: 349mmHg at 25°C
• Melting Point: 141-142 °C
• Refractive Index: 1.313
• Boiling Point: 297.003 °C at 760 mmHg
• PKA: 1.67±0.25(Predicted)
• Flash Point: 133.423 °C
• PSA: 50.19000
• Density: 1.576 g/cm³
• LogP: 1.57230
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

2-Chloro-5-fluoronicotinic acid 98% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 7/9-24/25-26-36/37-38-51

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Chloro-5-fluoronicotinic acid

There total 4 articles about 2-Chloro-5-fluoronicotinic 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: 88.0%

2,6-dichloro-5-fluoro-3-pyridinecarboxylic acid (82671-06-5) → 2-chloro-5-fluoronicotinic acid (38186-88-8)

Guidance literature:

With formic acid; triethylamine; triphenylphosphine; palladium diacetate; In N,N-dimethyl-formamide; at 50 ℃; for 24h;

Reference yield: 82.0%

ethyl 2-chloro-5-fluoropyridine-3-carboxylate (139911-30-1) → 2-chloro-5-fluoronicotinic acid (38186-88-8)

Guidance literature:

With hydrogenchloride; water; trifluoroacetic acid; Inert atmosphere;

DOI:10.1002/jlcr.1887

Reference yield:

(2E,4Z)-ethyl 2-cyano-5-(dimethylamino)-4-fluoro-penta-2,4-dienoate (1316084-72-6) → 2-chloro-5-fluoronicotinic acid (38186-88-8)

Guidance literature:

Multi-step reaction with 2 steps

1: hydrogenchloride / 3 h / 45 °C

2: hydrogenchloride; water; trifluoroacetic acid / Inert atmosphere

With hydrogenchloride; water; trifluoroacetic acid;

DOI:10.1002/jlcr.1887

upstream raw materials:

2,6-dichloro-5-fluoro-3-pyridinecarboxylic acid

ethyl 2-chloro-5-fluoropyridine-3-carboxylate

(2E,4Z)-ethyl 2-cyano-5-(dimethylamino)-4-fluoro-penta-2,4-dienoate

Downstream raw materials:

2-chloro-5-fluoronicotinic acid methyl ester

anti-{4-[(2-Chloro-5-fluoro-pyridine-3-carbonyl)amino]-cyclohexyl}-carbamic acid tert-butyl ester

2,5-bis-benzyloxy-N-((R)-1-isopropylpiperidin-3-ylmethyl)nicotinamide

2-chloro-5-fluoro-3-iodo-pyridine

Refernces

• 1、 -. "HETEROCYCLIC COMPOUNDS WITH AN ROR(GAMMA)T MODULATING ACTIVITY". Paragraph 0626. . Retrieved 2018/03/06.
• 2、 -. "AMINOPYRIMIDINES USEFUL AS INHIBITORS OF PROTEIN KINASES". Page/Page column 12. . Retrieved 2011/02/18.