4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one

Base Information

• Chemical Name: 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one
• CAS No.: 124242-54-2
• Molecular Formula: C₁₅H₁₇NO₄
• Molecular Weight: 275.304
• Mol file: 124242-54-2.mol

Synonyms:4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one

Chemical Property of 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one

There total 9 articles about 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)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: 79.0%

1-p-anisyl-3-isopropylidene-4-carboxy-2-azetidinone (124156-36-1) + lead(IV) tetraacetate (546-67-8) → 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one (124242-54-2)

Guidance literature:

With acetic acid; In N,N-dimethyl-formamide; at 60 ℃;

DOI:10.1021/jo00289a035

Reference yield: 28.0%

Acetic acid (2R,3R)-3-isopropenyl-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl ester → 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one (124242-54-2)

Guidance literature:

Acetic acid (2R,3R)-3-isopropenyl-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl ester; With dimethylsulfide borane complex; In diethylene glycol dimethyl ether; at 20 ℃; for 1h;

With triethylamine N-oxide; In diethylene glycol dimethyl ether; water; for 1h; Heating;

Reference yield:

ethyl (4-methoxyphenylimino)acetate (124156-21-4) → 4-acetoxy-1-(4-methoxyphenyl)-3-(methylethylidene)azetidin-2-one (124242-54-2)

Guidance literature:

Multi-step reaction with 4 steps

1: 68 percent / triethylamine / CH₂Cl₂ / Heating

2: DBN / benzene / 6 h / Heating

3: 82 percent / NaOH / acetone; H₂O / 4 h / Ambient temperature

4: 79 percent / acetic acid / dimethylformamide / 60 °C

With sodium hydroxide; 2,6-dichloro-benzonitrile; acetic acid; triethylamine; In dichloromethane; water; N,N-dimethyl-formamide; acetone; benzene;

DOI:10.1021/jo00289a035

upstream raw materials:

1-p-anisyl-3-isopropylidene-4-carboxy-2-azetidinone

lead(IV) tetraacetate

3,3-Dimethylacryloyl chloride

ethyl (4-methoxyphenylimino)acetate