124597-99-5

Upstream product

• 118673-35-1 N-[(2S,4R,5R,6R)-2-(2-Hydroxy-acetyl)-3,3-dimethyl-4,7-dioxo-4λ⁴-thia-1-aza-bicyclo[3.2.0]hept-6-yl]-2-phenoxy-acetamide 
• 118673-33-9 (3S,5R,6R)-3-hydroxyacetyl-2,2-dimethyl-6-phenoxyacetamidopenam 1,1-dioxide 
• 124597-98-4 (1S,3S,5R,6R)-3-(1,2-dihydroxyethyl)-2,2-dimethyl-6-phenoxyacetamidopenam 1-oxide 

Downstream Products

• 124598-00-1 (3S,5R,6R)-3-formyl-2,2-dimethyl-6-phenoxyacetamidopenam 1,1-dioxide 
• 124598-01-2 (3R,4R)-1-(1-formyl-2-methylprop-1-enyl)-4-methylsulphonyl-3-phenoxyacetamidoazetidin-2-one 

Relevant academic research and scientific papers

Studies Related to Penicillins. Part 28. β-Elimination Reactions of Sulphones derived from Penicillins leading to cis-3-Acylamino-4-oxoazetidine-2-sulphinic Acids

The reactions of the 3-acetyl and 3-formyl derivatives of (3S,5R,6R)-2,2-dimethyl-6-phenoxyacetamidopenam 1,1-dioxide, i.e. compounds (5e, f), and of p-nitrophenyl (3S,5R,6R)-benzylpenicillinate 1,1-dioxide (1f) with 1,5-diazabicyclonon-5-ene (DBN)