(3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one

Base Information

• Chemical Name: (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one
• CAS No.: 115857-84-6
• Molecular Formula: C₂₂H₂₅NO₅
• Molecular Weight: 383.444
• Mol file: 115857-84-6.mol

Synonyms:(3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one

Chemical Property of (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one

There total 8 articles about (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)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:

Benzyloxyacetyl chloride (19810-31-2) + N-(p-anisyl)-4-<(S)-2',2'-dimethyl-1',3'-dioxolan-4'-yl>-methylene-imine (103239-04-9) → (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one (115857-84-6)

Guidance literature:

With triethylamine; In dichloromethane; Yield given; Ambient temperature;

DOI:10.1021/jo00253a013

Reference yield:

2,3-isopropylidene-glyceraldehyde (15186-48-8) → (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one (115857-84-6)

Guidance literature:

Multi-step reaction with 2 steps

1: MgSO₄ / CH₂Cl₂ / 1.5 h / Ambient temperature

2: 1a) TiCl₄, b) Et₃N / 1) CH₂Cl₂, -78 deg C, a) 5 min, b) 30 min, 2) -78 deg C to 0 deg C, 3 h

With titanium tetrachloride; magnesium sulfate; triethylamine; In dichloromethane;

DOI:10.1021/jo00041a019

Reference yield:

4-methoxy-aniline (104-94-9) → (3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>-1-(4-methoxyphenyl)azetidin-2-one (115857-84-6)

Guidance literature:

Multi-step reaction with 2 steps

1: MgSO₄ / CH₂Cl₂ / 1.5 h / Ambient temperature

2: 1a) TiCl₄, b) Et₃N / 1) CH₂Cl₂, -78 deg C, a) 5 min, b) 30 min, 2) -78 deg C to 0 deg C, 3 h

With titanium tetrachloride; magnesium sulfate; triethylamine; In dichloromethane;

DOI:10.1021/jo00041a019

upstream raw materials:

S-(2-Pyridyl) 2-(phenylmethoxy)ethanethioate

[1-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-meth-(E)-ylidene]-(4-methoxy-phenyl)-amine

Benzyloxyacetyl chloride

N-(p-anisyl)-4-<(S)-2',2'-dimethyl-1',3'-dioxolan-4'-yl>-methylene-imine

Downstream raw materials:

(3R,4S)-cis-1-(p-anisyl)-3-hydroxy-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

(3R,4S)-3-(Benzyloxy)-4-<(S)-2,2-dimethyl-1,3-dioxolan-4-yl>azetidin-2-one

(+)-(3R,4R)-1-(p-anisyl)-3-benzyloxy-4-formyl-2-azetidinone

Methanesulfonic acid (2R,3R)-2-formyl-1-(4-methoxy-phenyl)-4-oxo-azetidin-3-yl ester