5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid

Base Information

• Chemical Name: 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid
• CAS No.: 1312697-84-9
• Molecular Formula: C₂₀H₁₀F₉N₃O₃
• Molecular Weight: 511.303
• Mol file: 1312697-84-9.mol

Synonyms:5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid

Chemical Property of 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid

There total 11 articles about 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic 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:

5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid methyl ester (1312697-71-4) → 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid (1312697-84-9)

Guidance literature:

5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid methyl ester; With lithium hydroxide; In tetrahydrofuran; water; at 20 ℃; for 0.333333h;

With hydrogenchloride; In tetrahydrofuran; water; pH=3;

Reference yield:

2,6-dichloropyridine-3-carboxylic acid (38496-18-3) → 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid (1312697-84-9)

Guidance literature:

Multi-step reaction with 11 steps

1.1: oxalyl dichloride / dichloromethane; N,N-dimethyl-formamide / 2 h

2.1: dichloromethane; N,N-dimethyl-formamide / 20 °C

3.1: ammonium hydroxide / 1,4-dioxane / 0.33 h / 100 °C / Sealed tube; Microwave irradiation

4.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / xylene / 1.5 h / 130 °C

5.1: dmap / dichloromethane / 40 °C

6.1: ozone / dichloromethane; methanol / 0.42 h / -78 °C

7.1: hydroxylamine / water

8.1: N-chloro-succinimide / N,N-dimethyl-formamide / 2 h / 40 °C

8.2: 20 °C

9.1: trifluoroacetic acid / dichloromethane; water / 20 °C

10.1: isopropyl alcohol / 50 °C

11.1: lithium hydroxide / water; tetrahydrofuran / 0.33 h / 20 °C

11.2: pH 3

With ammonium hydroxide; N-chloro-succinimide; oxalyl dichloride; hydroxylamine; ozone; trifluoroacetic acid; lithium hydroxide; dmap; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide; isopropyl alcohol; xylene;

Reference yield:

methyl 2,6-dichloronicotinate (65515-28-8) → 5-[5-(3,5-bistrifluoromethylphenyl)-5-trifluoromethyl-4,5-dihydroisoxazol-3-yl]-imidazo[1,2-a]pyridine-8-carboxylic acid (1312697-84-9)

Guidance literature:

Multi-step reaction with 9 steps

1.1: ammonium hydroxide / 1,4-dioxane / 0.33 h / 100 °C / Sealed tube; Microwave irradiation

2.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / xylene / 1.5 h / 130 °C

3.1: dmap / dichloromethane / 40 °C

4.1: ozone / dichloromethane; methanol / 0.42 h / -78 °C

5.1: hydroxylamine / water

6.1: N-chloro-succinimide / N,N-dimethyl-formamide / 2 h / 40 °C

6.2: 20 °C

7.1: trifluoroacetic acid / dichloromethane; water / 20 °C

8.1: isopropyl alcohol / 50 °C

9.1: lithium hydroxide / water; tetrahydrofuran / 0.33 h / 20 °C

9.2: pH 3

With ammonium hydroxide; N-chloro-succinimide; hydroxylamine; ozone; trifluoroacetic acid; lithium hydroxide; dmap; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; N,N-dimethyl-formamide; isopropyl alcohol; xylene;

upstream raw materials:

2,6-dichloropyridine-3-carboxylic acid

methyl 2,6-dichloronicotinate

methyl 2-amino-6-chloropyridine-3-carboxylate

2-amino-6-vinyl-nicotinic acid methyl ester