78494-74-3

Upstream product

• 75527-84-3 diphenylmethyl 6,6-dibromopenicillanate 
• 100-52-7 benzaldehyde 
• 98153-30-1 (2S,5R)-6-Bromo-6-(hydroxy-phenyl-methyl)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester 
• 98153-31-2 benzhydryl (αS,3S,5R,6R)-6-(α-hydroxybenzyl)penicillanate 
• 98153-32-3 benzhydryl (αR,3S,5R,6R)-6-(α-hydroxybenzyl)penicillanate 

Downstream Products

• 98153-45-8 (6Z)-benzylidenepenicillanic acid 1,1-dioxide 
• 98153-45-8 (6E)-benzylidenepenicillanic acid 1,1-dioxide 

Relevant academic research and scientific papers

Substituted Penicillanic Acid 1,1-Dioxides as &β-Lactam Inhibitors: Studies on 6-Benzylidene- and Hydroxybenzylpenam Sulphones

The preparation of the two epimers of (6R)-6-(α-hydroxybenzyl)penicillanic acid and the corresponding sulphones is described.The absolute configuration about the hydroxy substituted carbon atom has been elucidated by an investigation of the dehydration to