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

Base Information

Chemical Name:1-methyl-5-(2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid
CAS No.:1278407-56-9
Molecular Formula:C₁₉H₁₅N₅O₃
Molecular Weight:361.36
Hs Code.:

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

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

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

There total 3 articles about 1-methyl-5-(2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-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: 99.0%

: 1278406-72-6
1-methyl-5-(2-phenylimidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid ethyl ester

: 1278407-56-9
1-methyl-5-(2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid

Guidance literature:: 1-methyl-5-(2-phenylimidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid ethyl ester; With ethanol; potassium hydroxide; for 4h; Reflux;

With hydrogenchloride; In ethanol; water; at 20 ℃; for 0.5h;

Reference yield: 18.0%

: 947533-55-3
7-bromo-2-(4-fluorophenyl)imidazo[1,2-a]pyridine

: 81303-52-8
ethyl 5-carbamoyl-1-methyl-1H-pyrazole-4-carboxylate

: 1278407-56-9
1-methyl-5-(2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid

: 1278406-72-6
1-methyl-5-(2-phenylimidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid ethyl ester

Guidance literature:: With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In tetrahydrofuran; ethanol; at 75 ℃; for 6h; Inert atmosphere;
DOI:10.1021/acs.oprd.0c00437

Reference yield:

: 81303-65-3
4-(ethoxycarbonyl)-1-methyl-1H-pyrazole-5-carboxylic acid

: 1278407-56-9
1-methyl-5-(2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid

: 1278406-72-6
1-methyl-5-(2-phenylimidazo[1,2-a]pyridin-7-ylcarbamoyl)-1H-pyrazole-4-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: ammonia; 1,1'-carbonyldiimidazole / 2-methyltetrahydrofuran / 20 °C

2: tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; potassium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / tetrahydrofuran; ethanol / 6 h / 75 °C / Inert atmosphere

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; ammonia; potassium carbonate; 1,1'-carbonyldiimidazole; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In tetrahydrofuran; 2-methyltetrahydrofuran; ethanol; 2: |Buchwald-Hartwig Coupling;
DOI:10.1021/acs.oprd.0c00437