(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

Base Information

Chemical Name:(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide
CAS No.:1402636-49-0
Molecular Formula:C₁₈H₁₈N₄O₄S
Molecular Weight:386.431
Hs Code.:

Synonyms:(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

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Chemical Property of (2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

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Technology Process of (2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

There total 4 articles about (2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)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: 93.0%

: 1402636-51-4
(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide

: 1402636-49-0
(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

Guidance literature:: (2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide; With hydrogenchloride; In ethanol; water; at 20 ℃;

With water; lithium hydroxide; In tetrahydrofuran; at 20 ℃; for 4h;

Reference yield:

: 1312478-47-9
ethyl (±)-4-bromo-2-methyl-2-(methylsulfonyl)butanoate

: 1402636-49-0
(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

Guidance literature:: Multi-step reaction with 5 steps

1.1: MCC-2 / ethanol / Resolution of racemate

2.1: sodium iodide; caesium carbonate / 50 °C

2.2: 4 h / 20 °C

3.1: water; lithium hydroxide / tetrahydrofuran / 20 °C

3.2: 4 h / 20 °C

4.1: 4-methyl-morpholine; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine / 2-methyltetrahydrofuran / 1 h

4.2: 2 h

5.1: hydrogenchloride / ethanol; water / 20 °C

5.2: 4 h / 20 °C

With 4-methyl-morpholine; hydrogenchloride; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine; water; caesium carbonate; sodium iodide; lithium hydroxide; In tetrahydrofuran; 2-methyltetrahydrofuran; ethanol; water;

Reference yield:

: 1402636-50-3
ethyl (2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-2-methyl-2-(methylsulfonyl)butanoate

: 1402636-49-0
(2R)-4-{4-[(3-cyanophenyl)ethynyl]-1H-pyrazol-1-yl}-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

Guidance literature:: Multi-step reaction with 3 steps

1.1: water; lithium hydroxide / tetrahydrofuran / 20 °C

1.2: 4 h / 20 °C

2.1: 4-methyl-morpholine; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine / 2-methyltetrahydrofuran / 1 h

2.2: 2 h

3.1: hydrogenchloride / ethanol; water / 20 °C

3.2: 4 h / 20 °C

With 4-methyl-morpholine; hydrogenchloride; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine; water; lithium hydroxide; In tetrahydrofuran; 2-methyltetrahydrofuran; ethanol; water;