83923-45-9

Upstream product

• 112213-36-2 (3RS,4SR)-4-(2,2-dimethoxyetyl)-1-(4-methoxymethoxyphenyl)-3-phenoxyacetamidoazetidin-2-one 
• 21204-67-1 methyl (triphenylphosphoranylidene)acetate 
• 112213-37-3 (3RS,4SR)-1-<4-methoxymethoxyphenyl>-4-(2-nitroethyl)-3-phenoxyacetamidoazetidin-2-one 

Downstream Products

• 112213-39-5 (3RS,4SR)-4-<3-methoxycarbonylprop-2-enyl>-3-phenoxyacetamidoazetidin-2-one 
• 112213-40-8 (3RS,4SR)--4-(3-methoxycarbonylprop-2-enyl)-3-phenoxyacetamidoazetidin-2-one 
• 83923-49-3 (2RS,6RS,7SR)-benzyl 4,8-dioxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylate 
• 83923-49-3 (2RS,6SR,7RS)-benzyl 4,8-dioxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylate 
• 83923-50-6 (2RS,6RS,7SR)-4,8-dioxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylate 
• 83923-50-6 (2RS,6SR,7RS)-4,8-dioxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylic acid 
• 83923-47-1 benzyl 4-methoxycarbonylmethylene-8-oxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylate 
• 83923-48-2 (6SR,7RS)-4-methoxycarbonylmethylene-8-oxo-7-phenoxyacetamido-1,3-diazabicyclo<4.2.0>octane-2-carboxylic acid 

Relevant academic research and scientific papers

Synthesis of Novel Fused β-Lactams by Intramolecular 1,3-Dipolar Cycloadditions. Part 9. Preparation of the 7-Oxo-1,3-dizabicycloheptane-2-carboxylate and 8-Oxo-1,3-dizabicyclooctane-2-carboxylate Ring Systems

4-Vinylazetidin-2-one (24) has been converted into 1--4-vinylazetidin-2-one (27) and 1--4-(2-methoxycarbonylvinyl)-azetidin-2-one (43) which on thermolysis in toluene gave (2RS,5RS)-ben