5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

Base Information

Chemical Name:5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid
CAS No.:1278407-65-0
Molecular Formula:C₁₉H₁₄BrN₅O₃
Molecular Weight:440.256
Hs Code.:

Synonyms:5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

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Chemical Property of 5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

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Technology Process of 5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

There total 14 articles about 5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-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: 35.0%

: 1278407-64-9
5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester

: 1278407-65-0
5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

Guidance literature:: 5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester; With methanol; sodium hydroxide; In tetrahydrofuran; at 20 ℃; Reflux;

With hydrogenchloride; In methanol; water; at 20 ℃; for 0.25h;

Reference yield:

: 81303-67-5
5-chlorocarbonyl-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester

: 1278407-65-0
5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 2 steps

1.1: triethylamine / dichloromethane / 0.83 h / 0 - 20 °C

2.1: sodium hydroxide; methanol / tetrahydrofuran / 20 °C / Reflux

2.2: 0.25 h / 20 °C

With methanol; triethylamine; sodium hydroxide; In tetrahydrofuran; dichloromethane;

Reference yield:

: 70-11-1
α-bromoacetophenone

: 1278407-65-0
5-(6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: sodium hydrogencarbonate / methanol / 5 h / Reflux

2.1: sodium hydroxide; water / ethanol / 2 h / Reflux

2.2: 0 °C

3.1: triethylamine; diphenyl phosphoryl azide / Reflux; Inert atmosphere

4.1: trifluoroacetic acid / dichloromethane / 20 °C

5.1: triethylamine / dichloromethane / 0.83 h / 0 - 20 °C

6.1: sodium hydroxide; methanol / tetrahydrofuran / 20 °C / Reflux

6.2: 0.25 h / 20 °C

With methanol; diphenyl phosphoryl azide; water; sodium hydrogencarbonate; triethylamine; trifluoroacetic acid; sodium hydroxide; In tetrahydrofuran; methanol; ethanol; dichloromethane;