128571-95-9

Upstream product

• 3839-31-4 dimethyl(phenyl)silyllithium 
• 131533-35-2 E-3-Ethylidene-4-(methoxycarbonyl)-1-(4-methoxyphenyl)azetidin-2-one 
• 124156-30-5 Z-3-Ethylidene-4-(methoxycarbonyl)-1-(4-methoxyphenyl)azetidin-2-one 
• 124156-20-3 (4-methoxyphenyl-benzylidene)-carbamic acid methyl ester 
• 128474-83-9 β-(dimethylphenylsilyl)butanoyl chloride 
• 114431-81-1 3-(dimethyl(phenyl)silyl)methyl butanoate 
• 135616-75-0 (S)-3-Benzenesulfinyl-3-ethyl-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 138234-97-6 (3RS)-3-dimethyl(phenyl)silylbutanoic acid 

Downstream Products

• 131533-31-8 (2R,3R)-3-[(R)-1-(Fluoro-dimethyl-silanyl)-ethyl]-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 135758-02-0 (2S,3R)-3-((S)-1-Hydroxy-ethyl)-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 
• 138331-57-4 6-(p-Methoxyphenyl)-2-methyl-3-oxa-6-azabicyclo<3.2.0>heptane-4,7-dione 

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