The synthesis of analogs of 3-(N-acetyl-N-hydroxyamino) propylphosphonic acid (FR-900098, Ia) and an analysis of their structure-activity relationship are described. Among them, compounds Ib (FR-31564) and XIIb (FR-32863) have recently been found to be produced naturally by Streptomyces lavendulae. The antibacterial activity of Ib against Pseudomonas species is especially significant.
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Hemmi et al. (1982) studied this question.