(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

Base Information

Chemical Name:(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate
CAS No.:914461-81-7
Molecular Formula:C₁₉H₂₃FO₄S
Molecular Weight:366.454
Hs Code.:

Synonyms:(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

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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 (2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

Chemical Property:

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Technology Process of (2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

There total 4 articles about (2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate 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%

: 914461-80-6
(2S,3R)-3-((4-fluoro-2-methylphenoxy)methyl)butan-2-ol

: 98-59-9
p-toluenesulfonyl chloride

: 914461-81-7
(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

Guidance literature:: With dmap; triethylamine; In dichloromethane; at 20 ℃; for 16h;
DOI:10.1016/j.tetlet.2006.08.020

Reference yield:

: 66767-60-0
methyl (2S,3S)-3-hydroxy-2-methylbutanoate

: 914461-81-7
(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / lithium aluminum hydride / tetrahydrofuran / 4 h / -10 - 20 °C

2: 60 percent / triethylamine; 4-(dimethylamino)pyridine / CH₂Cl₂ / 16 h / -15 - 12 °C

3: 71 percent / cesium carbonate; tetrabutylammonium iodide / acetone / 16 h / 65 °C

4: 98 percent / triethylamine; 4-(dimethylamino)pyridine / CH₂Cl₂ / 16 h / 20 °C

With dmap; lithium aluminium tetrahydride; tetra-(n-butyl)ammonium iodide; caesium carbonate; triethylamine; In tetrahydrofuran; dichloromethane; acetone;
DOI:10.1016/j.tetlet.2006.08.020

Reference yield:

: 87678-97-5
anti-(2R,3S)-2-methylbutane-1,3-diol

: 914461-81-7
(2S,3R)-4-(4-fluoro-2-methylphenoxy)-3-methylbutan-2-yl-4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1: 60 percent / triethylamine; 4-(dimethylamino)pyridine / CH₂Cl₂ / 16 h / -15 - 12 °C

2: 71 percent / cesium carbonate; tetrabutylammonium iodide / acetone / 16 h / 65 °C

3: 98 percent / triethylamine; 4-(dimethylamino)pyridine / CH₂Cl₂ / 16 h / 20 °C

With dmap; tetra-(n-butyl)ammonium iodide; caesium carbonate; triethylamine; In dichloromethane; acetone;
DOI:10.1016/j.tetlet.2006.08.020