4-desoxyrifamycin-sv-derivs - from 4-desoxy-4-diazorifamycin s antibacterial esp against septic infections by gram-negative bacteria

摘要

Cpds. have formula (I): (where X = CH2NB or -CH:NB; -NB = anilino, lower mono- or dialkylamino, benzylamino, di-lower alkylamino-lower alkylamino, pyrrolidino, piperidino or morpholino; R1 = H or, when X = -CH:NB, a negative charge).