Exceptional oxidative allylic rearrangements of 4-alkoxycarbonyl-3-methyl-ceph-3-em 1,1-dioxides induced by palladium–charcoal
作者:G. D. Sriyani Ananda、Alexandra M. Z. Slawin、Richard J. Stoodley、David J. Williams
DOI:10.1039/c39860000165
日期:——
Representatives of the title compounds are converted into 4-alkoxycarbonyl-4-hydroxy-3-methylceph-2-em 1,1-dioxides by the action of palladium–charcoal in ethyl acetate; an X-ray analysis of one of the products reveals that the 4-hydroxy function is α-oriented.