81651-24-3Relevant articles and documents
Studies Related to Penicillins. Part 21. β-Elimination Reactions of S,S-Dioxides of Penicillanic Esters
Pant, Chandra M.,Steele, John,Stoodley, Richard J.
, p. 595 - 602 (2007/10/02)
In the presence of 1,5-diazabicyclonon-5-ene (DBN), methyl benzylpenicillinate 1,1-dioxide (3a) is converted into (2S,3R)-1-(1-methoxycarbonyl-2-methylprop-1-enyl)-4-oxo-3-phenylacetamidoazetidine-2-sulphinic acid (5a).Corresponding reactions are o