The 3-methylene isomer of [7α-3H]deacetoxy-cephalosporin C was incubated with a cell-free extract capable of converting penicillin N into deacetoxycephalo-sporin C; although there was no formation of deacetoxy-cephalosporin C from the 3-methylene isomer this compound was a powerful inhibitor of the penicillin N into cephalosporin bioconversion.
J. E. Baldwin, B. Chakravarti, M. Jung, N. J. Patel, P. D. Singh, J. J. Usher and C. Vallejo, J. Chem. Soc., Chem. Commun., 1981, 934 DOI: 10.1039/C39810000934
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