The synthesis and reactions of a monocyclic β-lactam tripeptide, 1-[(1R)-carboxy-2-methylpropyl]- (3R -[(5S-5-amino- 5-carboxypentanamido]-(4R)-mercaptoazetidin-2-one, a putative intermediate in penicillin biosynthesis
Conversion of 17O/18O labelled δ-(L-α-aminoadlpyl)-L-cysteinyl-D-valine to 17O/18O labelled isopenicillin n in a cell-free extract of . A study by 17O-NMR spectroscopy and mass spectrometry
作者:Robert M. Adlington、Robin T. Aplin、Jack E. Baldwin、Bulbul Chakravarti、Leslie D. Field、Eeva-M.M. John、Edward P. Abraham、Robert L. White