135616-75-0

Upstream product

• 124156-20-3 (4-methoxyphenyl-benzylidene)-carbamic acid methyl ester 
• 127055-07-6 α-(Phenylthio)butanoyl chloride 

Downstream Products

• 128474-84-0 (2R,3S)-3-[(S)-1-(Dimethyl-phenyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 128571-95-9 (2S,3S)-3-[(S)-1-(Dimethyl-phenyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 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 
• 124156-38-3 trans-1-p-anisyl-3-acetyl-4-carbomethoxy-2-azetidinone 
• 124156-30-5 Z-3-Ethylidene-4-(methoxycarbonyl)-1-(4-methoxyphenyl)azetidin-2-one 
• 131533-35-2 E-3-Ethylidene-4-(methoxycarbonyl)-1-(4-methoxyphenyl)azetidin-2-one 

Relevant academic research and scientific papers

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