(3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

Base Information

• Chemical Name: (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one
• CAS No.: 161871-15-4
• Molecular Formula: C₂₈H₃₀N₂O₈
• Molecular Weight: 522.555
• Mol file: 161871-15-4.mol

Synonyms:(3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

Chemical Property of (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

There total 8 articles about (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>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: 92.0%

(3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-O-<(tert-butyldimethylsilyl)oxy>propyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one (161970-86-1) → (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one (161871-15-4)

Guidance literature:

With trifluoroacetic acid; In dichloromethane;

DOI:10.1016/0040-4039(94)02294-L

Reference yield:

(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-{[1-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-meth-(E)-ylidene]-amino}-butyric acid methyl ester (161871-11-0) → (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one (161871-15-4)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N / CH₂Cl₂ / 1) -18 deg C, 2 h; 2) -10 --> 0 deg C, 30 min

2: 92 percent / trifluoroacetic acid / CH₂Cl₂ / 1.5 h / Ambient temperature

With triethylamine; trifluoroacetic acid; In dichloromethane;

DOI:10.1021/jo951651u

Reference yield:

2,3-isopropylidene-glyceraldehyde (15186-48-8) → (3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-hydroxypropyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one (161871-15-4)

Guidance literature:

Multi-step reaction with 3 steps

1: MgSO₄ / CH₂Cl₂ / 4 h / 0 °C

2: Et₃N / CH₂Cl₂ / 1) -18 deg C, 2 h; 2) -10 --> 0 deg C, 30 min

3: 92 percent / trifluoroacetic acid / CH₂Cl₂ / 1.5 h / Ambient temperature

With magnesium sulfate; triethylamine; trifluoroacetic acid; In dichloromethane;

DOI:10.1021/jo951651u

upstream raw materials:

(3R,4R)-1-<1(R)-(methoxycarbonyl)-2(S)-O-<(tert-butyldimethylsilyl)oxy>propyl>-3-(2-oxo-4,5-diphenyl-1-oxazolinyl)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

3-(carboxymethyl)-4,5-diphenyl-1-oxazolin-2-one

ox-glycyl chloride

(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-{[1-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-meth-(E)-ylidene]-amino}-butyric acid methyl ester

Downstream raw materials:

(1S,2R,3R,6S,7R)-7-Methyl-4-oxo-3-phenylacetylamino-8,10-dioxa-5-aza-tricyclo[5.2.1.0^2,5]decane-6-carboxylic acid methyl ester

(1S,2R,3R,6S,7R)-7-Methyl-4-oxo-3-(2-oxo-4,5-diphenyl-oxazol-3-yl)-8,10-dioxa-5-aza-tricyclo[5.2.1.0^2,5]decane-6-carboxylic acid methyl ester