(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

Base Information

Chemical Name:(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester
CAS No.:374752-64-4
Molecular Formula:C₁₄H₂₀O₆S
Molecular Weight:316.375
Hs Code.:

Synonyms:(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

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Chemical Property of (2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

Chemical Property:

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Technology Process of (2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

There total 3 articles about (2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester 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: 83.0%

: 98-59-9
p-toluenesulfonyl chloride

: 482626-32-4
(2S,3R)-3,5-Dihydroxy-2-methyl-pentanoic acid methyl ester

: 374752-64-4
(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

Guidance literature:: With triethylamine; In dichloromethane; at 0 ℃; for 12h;
DOI:10.1021/ja0279646

Reference yield:

: 482626-31-3
(2S,3R)-3-Hydroxy-5-(4-methoxy-benzyloxy)-2-methyl-pentanoic acid methyl ester

: 374752-64-4
(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 98 percent / H₂ / Pd/C / methanol / 12 h

2: 83 percent / triethylamine / CH₂Cl₂ / 12 h / 0 °C

With hydrogen; triethylamine; palladium on activated charcoal; In methanol; dichloromethane;
DOI:10.1021/ja0279646

Reference yield:

: 483305-59-5
(4S,5R)-3-[(2S,3R)-3-Hydroxy-5-(4-methoxy-benzyloxy)-2-methyl-pentanoyl]-4-methyl-5-phenyl-oxazolidin-2-one

: 374752-64-4
(2S,3R)-3-Hydroxy-2-methyl-5-(toluene-4-sulfonyloxy)-pentanoic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: Sm(OTf)3 / tetrahydrofuran / 24 h / 20 °C

2: H₂ / Pd/C / methanol / 4 h / 20 °C

3: TEA / CH₂Cl₂ / 12 h / 0 °C

With TEA; hydrogen; samarium(III) trifluoromethanesulfonate; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/ja016272z