4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

Base Information

Chemical Name:4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide
CAS No.:1278406-63-5
Molecular Formula:C₁₈H₁₄ClN₅O
Molecular Weight:351.795
Hs Code.:

Synonyms:4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

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Chemical Property of 4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

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Technology Process of 4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

There total 5 articles about 4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide 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: 25.0%

: 1278407-54-7
2-phenylimidazo[1,2-a]pyridin-7-ylamine

: 84547-83-1
4-chloro-1-methyl-1H-pyrazole-5-carboxylic acid

: 1278406-63-5
4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

Guidance literature:: 4-chloro-1-methyl-1H-pyrazole-5-carboxylic acid; With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; for 0.5h; Inert atmosphere;

2-phenylimidazo[1,2-a]pyridin-7-ylamine; In N,N-dimethyl-formamide; at 20 ℃;

Reference yield:

: 1278407-53-6
tert-butyl 2-phenylimidazo[1,2-a]pyridin-7-ylcarbamate

: 1278406-63-5
4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

Guidance literature:: Multi-step reaction with 2 steps

1.1: trifluoroacetic acid / dichloromethane / 20 °C

2.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere

2.2: 20 °C

With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1030-33-7
methyl 2-phenylimidazo[1,2-a]pyridine-7-carboxylate

: 1278406-63-5
4-Chloro-2-methyl-2H-pyrazole-3-carboxylic acid (2-phenyl-imidazo[1,2-a]pyridin-7-yl)-amide

Guidance literature:: Multi-step reaction with 4 steps

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

1.2: Cooling with ice

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

3.1: trifluoroacetic acid / dichloromethane / 20 °C

4.1: N-ethyl-N,N-diisopropylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere

4.2: 20 °C

With diphenyl phosphoryl azide; water; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; sodium hydroxide; In ethanol; dichloromethane; N,N-dimethyl-formamide;