N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

Base Information

Chemical Name:N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide
CAS No.:1426448-99-8
Molecular Formula:C₂₁H₁₇F₂N₅O₂
Molecular Weight:409.395
Hs Code.:

Synonyms:N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

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Chemical Property of N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

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Technology Process of N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

There total 5 articles about N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide 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:

: 1426449-93-5
5-(5-(2,2-difluorocyclopropyl)-1,2,4-oxadiazol-3-yl)-2,4-dimethylaniline

: 6200-60-8
imidazo[1,2-a]pyridine-3-carboxylic acid

: 1426448-99-8
N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

Guidance literature:: With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; In ethyl acetate; at 65 ℃;

Reference yield:

: 21789-36-6
2,4-dimethylbenzonitrile

: 1426448-99-8
N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: sulfuric acid; nitric acid / -10 - 0 °C

2.1: hydroxylamine hydrochloride; N-ethyl-N,N-diisopropylamine / ethanol / 2.5 h / 78 °C

3.1: 1,1'-carbonyldiimidazole / 1-methyl-pyrrolidin-2-one / 0.08 h

3.2: 0.42 h

3.3: 0.2 h / 130 °C / Microwave irradiation

4.1: tin(II) chloride dihdyrate / ethanol / 2 h / 78 °C

5.1: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate / 65 °C

With tin(II) chloride dihdyrate; sulfuric acid; hydroxylamine hydrochloride; nitric acid; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; 1,1'-carbonyldiimidazole; In 1-methyl-pyrrolidin-2-one; ethanol; ethyl acetate;

Reference yield:

: 625112-44-9
2,4-dimethyl-5-nitrobenzonitrile

: 1426448-99-8
N-(5-{5-[(1R)-2,2-difluorocyclopropyl]-1,2,4-oxadiazol-3-yl}-2,4-dimethylphenyl)imidazo[1,2-a]pyridine-3-carboxamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: hydroxylamine hydrochloride; N-ethyl-N,N-diisopropylamine / ethanol / 2.5 h / 78 °C

2.1: 1,1'-carbonyldiimidazole / 1-methyl-pyrrolidin-2-one / 0.08 h

2.2: 0.42 h

2.3: 0.2 h / 130 °C / Microwave irradiation

3.1: tin(II) chloride dihdyrate / ethanol / 2 h / 78 °C

4.1: 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate / 65 °C

With tin(II) chloride dihdyrate; hydroxylamine hydrochloride; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; 1,1'-carbonyldiimidazole; In 1-methyl-pyrrolidin-2-one; ethanol; ethyl acetate;