(3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one

Base Information

• Chemical Name: (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one
• CAS No.: 179949-32-7
• Molecular Formula: C₁₉H₂₂N₂O₄
• Molecular Weight: 342.395
• Mol file: 179949-32-7.mol

Synonyms:(3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one

Chemical Property of (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one

There total 6 articles about (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one 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%

(4S,5S)-4-[(2S,3R)-3-Methoxy-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl]-2,2-dimethyl-5-phenyl-oxazolidine-3-carboxylic acid tert-butyl ester (179949-28-1) → (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one (179949-32-7)

Guidance literature:

With hydrogenchloride; In methanol; for 0.5h; Heating;

DOI:10.1016/0040-4020(96)00463-2

Reference yield:

(1S,2S)-2-amino-1-phenyl-1,3-diol (28143-91-1) → (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one (179949-32-7)

Guidance literature:

Multi-step reaction with 5 steps

1: 2.) Et₃N / 1.) toluene, reflux, 2.) CH₂Cl₂, 0 deg C, 4 h

2: 98 percent / DMSO, oxalyl chloride, Et₃N / CH₂Cl₂ / 2 h / -15 - 0 °C

3: anhyd. MgSO₄ / CH₂Cl₂ / 24 h / Ambient temperature

4: 68 percent / Et₃N / CH₂Cl₂ / 20 h / Ambient temperature

5: 98 percent / 3N HCl / methanol / 0.5 h / Heating

With hydrogenchloride; oxalyl dichloride; magnesium sulfate; dimethyl sulfoxide; triethylamine; In methanol; dichloromethane;

DOI:10.1016/0040-4020(96)00463-2

Reference yield:

4-methoxy-aniline (104-94-9) → (3R,4S)-4-((1S,2S)-1-Amino-2-hydroxy-2-phenyl-ethyl)-3-methoxy-1-(4-methoxy-phenyl)-azetidin-2-one (179949-32-7)

Guidance literature:

Multi-step reaction with 3 steps

1: anhyd. MgSO₄ / CH₂Cl₂ / 24 h / Ambient temperature

2: 68 percent / Et₃N / CH₂Cl₂ / 20 h / Ambient temperature

3: 98 percent / 3N HCl / methanol / 0.5 h / Heating

With hydrogenchloride; magnesium sulfate; triethylamine; In methanol; dichloromethane;

DOI:10.1016/0040-4020(96)00463-2

upstream raw materials:

(4S,5S)-4-[(2S,3R)-3-Methoxy-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl]-2,2-dimethyl-5-phenyl-oxazolidine-3-carboxylic acid tert-butyl ester

(1S,2S)-2-amino-1-phenyl-1,3-diol

4-methoxy-aniline

tert-butyl (4S,5S)-4-(hydroxymethyl)-2,2-dimethyl-5-phenyl-1,3-oxazolidine-3-carboxylate

Downstream raw materials:

3-methoxy-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carbaldehyde