(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

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Chemical Name:(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide
CAS No.:1312473-38-3
Molecular Formula:C₂₀H₂₂N₄O₅S
Molecular Weight:430.484
Hs Code.:

Synonyms:(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

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Chemical Property of (2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

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Technology Process of (2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

There total 9 articles about (2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide 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: 98.0%

: 1312478-64-0
(2R)-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}-N-(tetrahydro-2H-pyran-2-yloxy)butanamide

: 1312473-38-3
(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

Guidance literature:: With hydrogenchloride; In 1,4-dioxane; methanol; dichloromethane; at 0 ℃; for 2h;

Reference yield:

: 22282-70-8
2-fluoro-4-iodopyridine

: 1312473-38-3
(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

Guidance literature:: Multi-step reaction with 6 steps

1.1: acetic acid / water / Reflux

2.1: caesium carbonate / tetrahydrofuran / 20 - 60 °C

3.1: potassium hydroxide; water / tetrahydrofuran; methanol / 16 h / 20 - 25 °C

3.2: pH 2

4.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 20 - 25 °C

5.1: potassium carbonate / tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / 1,2-dimethoxyethane; methanol / 80 °C

6.1: hydrogenchloride / dichloromethane; 1,4-dioxane; methanol / 2 h / 0 °C

With hydrogenchloride; water; potassium carbonate; benzotriazol-1-ol; caesium carbonate; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; potassium hydroxide; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; dichloromethane; water;

Reference yield:

: 13788-92-6
1-(4-bromophenyl)-1H-pyrazole

: 1312473-38-3
(2R)-N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{2-oxo-4-[4-(1H-pyrazol-1-yl)phenyl]pyridin-1(2H)-yl}butanamide

Guidance literature:: Multi-step reaction with 3 steps

1: potassium acetate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane / 100 °C / Inert atmosphere

2: potassium carbonate / tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / 1,2-dimethoxyethane; methanol / 80 °C

3: hydrogenchloride / dichloromethane; 1,4-dioxane; methanol / 2 h / 0 °C

With hydrogenchloride; potassium acetate; potassium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In 1,4-dioxane; methanol; 1,2-dimethoxyethane; dichloromethane;