83946-71-8

Upstream product

• 52709-42-9 benzylglyoxylate 
• 112213-68-0 (3RS,4SR)-1--4-(2-methoxycarbonylvinyl)-3-phenoxyacetamidoazetidin-2-one 
• 80024-18-6 (3RS,4SR)-4-<(E)-2-methoxycarbonylvinyl>-3-phenoxyacetamidoazetidin-2-one 

Downstream Products

• 83923-39-1 (2RS,5RS,6RS)-4,7-dioxo-6-phenoxyacetamido-1,3-diazabicyclo<3.2.0>heptane-2-carboxylic acid 
• 83923-38-0 (2RS,5RS,6RS)-benzyl 4,7-dioxo-6-phenoxyacetamido-1,3-diazabicyclo<3.2.0>heptane-2-carboxylate 
• 83923-38-0 (2RS,5SR,6SR)-benzyl 4,7-dioxo-6-phenoxyacetamido-1,3-diazabicyclo<3.2.0>heptane-2-carboxylate 
• 83923-37-9 (2RS,5RS,6RS)-4-methoxycarbonylmethylene-7-oxo-6-phenoxyacetamido-1,3-diazabicyclo<3.2.0>heptane-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