(2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

Base Information

• Chemical Name: (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid
• CAS No.: 1312479-30-3
• Molecular Formula: C₁₇H₁₆ClF₂NO₅S
• Molecular Weight: 419.834
• Mol file: 1312479-30-3.mol

Synonyms:(2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

Chemical Property of (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

There total 8 articles about (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic 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:

2-(4-chloro-2,3-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (1116681-98-1) + ethyl (2R)-4-(4-iodo-2-oxopyridin-1(2H)-yl)-2-methyl-2-(methylsulfonyl)butanoate (1312479-77-8) → (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid (1312479-30-3)

Guidance literature:

2-(4-chloro-2,3-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; ethyl (2R)-4-(4-iodo-2-oxopyridin-1(2H)-yl)-2-methyl-2-(methylsulfonyl)butanoate; With potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In tetrahydrofuran; at 65 ℃; for 1h;

With water; lithium hydroxide; In tetrahydrofuran; at 55 ℃; for 0.75h;

Reference yield:

1-bromo-4-chloro-2,3-difluorobenzene (1000574-47-9) → (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid (1312479-30-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: isopropylmagnesium chloride / tetrahydrofuran / 1 h / 0 °C

1.2: 1 h / 0 - 25 °C

2.1: potassium phosphate / dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / tetrahydrofuran / 1 h / 65 °C

2.2: 0.75 h / 55 °C

With potassium phosphate; isopropylmagnesium chloride; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; In tetrahydrofuran;

Reference yield:

C19H20ClF2NO5S → (2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)butanoic acid (1312479-30-3)

Guidance literature:

With lithium hydroxide; In water; at 55 ℃; for 2h;

DOI:10.1021/jm2014875

upstream raw materials:

2-(4-chloro-2,3-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

ethyl (2R)-4-(4-iodo-2-oxopyridin-1(2H)-yl)-2-methyl-2-(methylsulfonyl)butanoate

1-bromo-4-chloro-2,3-difluorobenzene

ethyl (±)-4-bromo-2-methyl-2-(methylsulfonyl)butanoate

Downstream raw materials:

(2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide

(2R)-4-[4-(4-chloro-2,3-difluorophenyl)-2-oxopyridin-1(2H)-yl]-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide