(2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester

Base Information

• Chemical Name: (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester
• CAS No.: 264148-01-8
• Molecular Formula: C₁₅H₂₂ClNO₄
• Molecular Weight: 315.797
• Mol file: 264148-01-8.mol

Synonyms:(2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester

Chemical Property of (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester

There total 3 articles about (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl 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: 89.0%

1-benzyloxy-3-(S)-hydroxymethylaziridine-2-(R)-carboxylic acid tert-butyl ester (264147-90-2) → (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester (264148-01-8)

Guidance literature:

With hydrogenchloride; at 20 ℃; for 1h;

DOI:10.1016/S0040-4039(99)02211-X

Reference yield:

benzyloxyimino-acetic acid tert-butyl ester → (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester (264148-01-8)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 78 percent / NaHMDS / tetrahydrofuran / -78 °C

2.1: O₃ / ethanol; CH₂Cl₂ / -78 °C

2.2: 94 percent / NaBH₄ / ethanol; CH₂Cl₂ / 0 °C

3.1: 89 percent / HCl in dioxane / 1 h / 20 °C

With hydrogenchloride; sodium hexamethyldisilazane; ozone; In tetrahydrofuran; ethanol; dichloromethane; 1.1: Alkylation / 2.1: Oxidation / 2.2: Reduction / 3.1: debenzylation;

DOI:10.1016/S0040-4039(99)02211-X

Reference yield:

(E)-1-benzyloxy-3-(R)-[2-(1,3-dimethyl-2-oxo-4-(R)-5-(R)-[octahydro-2λ5-benzo[1.3.2]diazaphosphol-2-yl)vinyl]aziridine]-2-(R)-carboxylic acid tert-butyl ester (264147-87-7) → (2S,3R)-3-Benzyloxyamino-2-chloro-4-hydroxy-butyric acid tert-butyl ester (264148-01-8)

Guidance literature:

Multi-step reaction with 2 steps

1.1: O₃ / ethanol; CH₂Cl₂ / -78 °C

1.2: 94 percent / NaBH₄ / ethanol; CH₂Cl₂ / 0 °C

2.1: 89 percent / HCl in dioxane / 1 h / 20 °C

With hydrogenchloride; ozone; In ethanol; dichloromethane; 1.1: Oxidation / 1.2: Reduction / 2.1: debenzylation;

DOI:10.1016/S0040-4039(99)02211-X

upstream raw materials:

1-benzyloxy-3-(S)-hydroxymethylaziridine-2-(R)-carboxylic acid tert-butyl ester

(E)-1-benzyloxy-3-(R)-[2-(1,3-dimethyl-2-oxo-4-(R)-5-(R)-[octahydro-2λ⁵-benzo[1.3.2]diazaphosphol-2-yl)vinyl]aziridine]-2-(R)-carboxylic acid tert-butyl ester