N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

Base Information

Chemical Name:N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide
CAS No.:641627-73-8
Molecular Formula:C₁₃H₁₇NO₅S
Molecular Weight:299.348
Hs Code.:

Synonyms:N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

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Chemical Property of N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

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Technology Process of N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

There total 4 articles about N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide 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: 86.0%

: 641627-72-7
(S)-3-((4R,5S)-3-Benzenesulfonyl-2,2,5-trimethyl-oxazolidin-4-yl)-3-hydroxy-butyric acid ethyl ester

: 641627-73-8
N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

Guidance literature:: With hydrogenchloride; In tetrahydrofuran; for 13h;
DOI:10.1021/ja039223q

Reference yield:

: 157801-17-7
methyl N-benzenesulfonyl-N,O-isopropylidene-D-threoninate

: 641627-73-8
N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

Guidance literature:: Multi-step reaction with 4 steps

1.1: i-PrMgCl / tetrahydrofuran / 0.08 h / -78 °C

1.2: 91 percent / tetrahydrofuran / 12.5 h / -78 - -40 °C

2.1: 82 percent / tetrahydrofuran / -78 - 20 °C

3.1: LDA / tetrahydrofuran / 1 h / -78 °C

3.2: 96 percent / tetrahydrofuran / 2.5 h / -78 °C

4.1: 86 percent / aq. HCl / tetrahydrofuran / 13 h

With hydrogenchloride; isopropylmagnesium chloride; lithium diisopropyl amide; In tetrahydrofuran;
DOI:10.1021/ja039223q

Reference yield:

: 641627-71-6
1-((4R,5S)-3-Benzenesulfonyl-2,2,5-trimethyl-oxazolidin-4-yl)-ethanone

: 641627-73-8
N-((2S,3R,4S)-4-Hydroxy-2,4-dimethyl-6-oxo-tetrahydro-pyran-3-yl)-benzenesulfonamide

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / 1 h / -78 °C

1.2: 96 percent / tetrahydrofuran / 2.5 h / -78 °C

2.1: 86 percent / aq. HCl / tetrahydrofuran / 13 h

With hydrogenchloride; lithium diisopropyl amide; In tetrahydrofuran;
DOI:10.1021/ja039223q