benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

Base Information

Chemical Name:benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate
CAS No.:213539-56-1
Molecular Formula:C₂₁H₂₃NO₁₀S
Molecular Weight:481.48
Hs Code.:

Synonyms:benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

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Chemical Property of benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

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Technology Process of benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

There total 6 articles about benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate 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: 68.0%

: 98-74-8
4-Nitrobenzenesulfonyl chloride

: 213539-55-0
benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-2,3-dihydroxybutanoate

: 213539-56-1
benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

Guidance literature:: With triethylamine; In dichloromethane; at 4 ℃; for 12h;
DOI:10.1021/jo980765d

Reference yield:

: 100-39-0
benzyl bromide

: 213539-56-1
benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

Guidance literature:: Multi-step reaction with 3 steps

1: dimethylformamide / 23 °C

2: 80 percent / AD mix α, methane sulfonamide / 2-methyl-propan-2-ol; H2O / 24 h / 4 °C

3: 68 percent / Et₃N / CH₂Cl₂ / 12 h / 4 °C

With AD-mix-α; methanesulfonamide; triethylamine; In dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1021/jo980765d

Reference yield:

: 79012-29-6
2‐(1,3‐dioxan‐2‐yl)acetaldehyde

: 213539-56-1
benzyl (2R,3S)-4-(1,3-dioxan-2-yl)-3-hydroxy-2-((4-nitrobenzenesulfonyl)oxy)butanoate

Guidance literature:: Multi-step reaction with 5 steps

1: 88 percent / t-BuOK / methanol / 1 h / 23 °C

2: LiOH*H₂O / tetrahydrofuran; H₂O / 18 h / 23 °C

3: dimethylformamide / 23 °C

4: 80 percent / AD mix α, methane sulfonamide / 2-methyl-propan-2-ol; H2O / 24 h / 4 °C

5: 68 percent / Et₃N / CH₂Cl₂ / 12 h / 4 °C

With lithium hydroxide; AD-mix-α; methanesulfonamide; potassium tert-butylate; triethylamine; In tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
DOI:10.1021/jo980765d