文摘
A family of six novel p-hydroxyacetophenone amides, 1鈥?b>6, was isolated from Cystobacter ferrugineus, strain Cb G35. Their structures were elucidated by ESI-TOF mass spectrometry and NMR spectroscopy. Feeding experiments with labeled [13C9,15N]-tyrosine and [d10]-leucine identified the biosynthetic precursors of 1.