A new series of carbapenems, in which disubstituted-aminothiocarbonylt
hio moiety, directly attached to the C-2 position, were prepared and e
valuated for their antibacterial potency. These analogs showed potent
activity against high-level MRSA, Among them, 9e and 9i were found to
exhibit good in vivo efficacy comparable to that of vancomycin, for mo
use septicemia model with high-level MRSA. (C) 1997 Elsevier Science L
td.