131533-35-2

Upstream product

• 131614-08-9 (1'R^*,3R^*,4S^*)-3-(1-hydroxyethyl)-4-methoxycarbonyl-1-(4-methoxyphenyl)azetidin-2-one 
• 131533-32-9 (1'S^*,3R^*,4S^*)-3-(1-hydroxyethyl)-4-methoxycarbonyl-1-(4-methoxyphenyl)azetidin-2-one 
• 128571-96-0 (1'S^*,3R^*,4S^*)-3-<1-(dimethylphenylsilyl)ethyl>-4-methoxycarbonyl-1-(4-methoxyphenyl)azetidin-2-one 
• 131533-31-8 (2R,3S)-3-[(R)-1-(Fluoro-dimethyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 124156-20-3 (4-methoxyphenyl-benzylidene)-carbamic acid methyl ester 
• 135616-75-0 (S)-3-Benzenesulfinyl-3-ethyl-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 104-94-9 4-methoxy-aniline 
• 124156-22-5 cis-1-(4-Methoxyphenyl)-3-vinyl-4-(methoxycarbonyl)-2-azetidinone 

Downstream Products

• 128571-95-9 (2S,3S)-3-[(S)-1-(Dimethyl-phenyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 128474-84-0 (2R,3S)-3-[(S)-1-(Dimethyl-phenyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 112114-01-9 1-p-anisyl-3-ethyl-4-acetoxy-2-azetidinone 
• 124223-53-6 cis-1-p-anisyl-3-ethyl-4-carboxy-2-azetidinone 
• 124156-23-6 cis-3-Ethyl-4-(methoxycarbonyl)-1-(4-methoxyphenyl)azetidin-2-one 

Relevant academic research and scientific papers

Formation of 3-azetidin-2-ones: Stereocontrolled Formal Approach to (+/-)-Thienamycin and (+/-)-β-(Hydroxyalkyl)aspartic Acid Derivatives

Reaction between (+/-)-β-(dimethylphenylsilyl)alkanoyl chlorides and imines of glyoxylic esters provided a route to (+/-)-cis-3--4-alkoxycarbonyl β-lactams, while addition of the Fleming's silylcuprate reagent to methyl crot

Preparation of 3-Alkyl β-Lactams via the Ketene-Imine Cycloaddition Reaction Using α-(Phenylthio)alkanoyl Halides as Starting Materials:Application to the Synthesis of (+/-)-Carbapenem Building Blocks and Related Compounds

Preparation of appropriately substituted 3-alkyl β-lactams via the ketene (or equivalent)-imine cycloaddition reaction is described.The dehydrochlorination reaction of α-(phenylthio)alkanoyl chlorides with triethylamine in the presence of imines derived f

β-Lactams via α,β-Unsaturated Acid Chlorides: Intermediates for Carbapenem Antibiotics

Stereocontrolled synthesis of α-vinyl β-lactams and their transformation to convenient intermediates for PS-5, PS-6, asparenomycin, and thienamycin are described.