(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

Base Information

Chemical Name:(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid
CAS No.:1402353-82-5
Molecular Formula:C₁₆H₁₈FNO₆S
Molecular Weight:371.386
Hs Code.:

Synonyms:(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

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Technology Process of (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

There total 1 articles about (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-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: 96.0%

: 1402353-81-4
ethyl (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoate

: 1402353-82-5
(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

Guidance literature:: ethyl (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoate; With water; sodium hydroxide; In 1,4-dioxane; at 20 - 25 ℃; for 18h;

With hydrogenchloride; In water; pH=3;

Reference yield: 42.0%

: 6723-30-4
O-2-tetrahydro-2H-pyranhydroxylamine

: 1402353-82-5
(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

: 1402353-83-6
(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)-N-(tetrahydro-2H-pyran-2-yloxy)butanamide

Guidance literature:: (2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid; With dmap; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; In ethyl acetate; at 20 - 25 ℃; for 0.5h;

O-2-tetrahydro-2H-pyranhydroxylamine; In ethyl acetate; at 20 - 25 ℃; for 18h;

Reference yield:

: 1402353-82-5
(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-2-methyl-2-(methylsulfonyl)butanoic acid

: 1402353-20-1
(2R)-4-[3-(2-fluoro-3-methoxyphenyl)isoxazol-5-yl]-N-hydroxy-2-methyl-2-(methylsulfonyl)butanamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: dmap; N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate / 0.5 h / 20 - 25 °C

1.2: 18 h / 20 - 25 °C

2.1: hydrogenchloride / dichloromethane; 1,4-dioxane; water / 2 h / 20 - 25 °C

With hydrogenchloride; dmap; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; In 1,4-dioxane; dichloromethane; water; ethyl acetate;