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HomeProduct name list2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID Structural

What is 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID?

Originator

Fenclozic Acid,ZYF Pharm Chemical

The Uses of 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

Fenclozic Acid is a a potent antiinflammatory agent with analgesic and antipyretic properties and is a human hepatotoxic drug.

Manufacturing Process

3.7 parts of 2-(4-chlorophenyl)-4-cyanomethylthiazole and 35 parts of 6 N hydrochloric acid are heated under reflux for 2 hours. The solution is cooled by the addition of ice and made alkaline to pH 8 by the addition of 30% aqueous ammonia. The mixture is filtered to remove trace impurities, and an excess of 40% sodium hydroxide solution is then added to the filtrate to cause precipitation of a sodium salt, which is collected by filtration and crystallised from water. There is thus obtained sodium 2-(4-chlorophenyl)thiazol-4- ylacetate, M.P. 13°C (decomposition).
This sodium salt is dissolved in hot water, and the solution is brought to pH 4 by the addition of acetic acid, which causes the precipitation of 2-(4- chlorophenyl)thiazol-4-ylacetic acid. This is collected by filtration, washed with water, and dried in vacuo over phosphorus pentoxide. It has an M.P. 155- 156°C (from ethyl acetate).

Therapeutic Function

Antiinflammatory, Analgesic, Antipyretic

Properties of 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

Melting point: 150-152°C
Boiling point: 145°C (rough estimate)
Density  1.2270 (rough estimate)
refractive index  1.6300 (estimate)
storage temp.  2-8°C
solubility  DMSO (Slightly), Methanol (Slightly)
pka 3.83±0.10(Predicted)
form  Solid
color  Off-White to Pale Brown

Safety information for 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral
Precautionary Statement Codes P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

Computed Descriptors for 2-[2-(4-CHLOROPHENYL)-1,3-THIAZOL-4-YL]ACETIC ACID

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