The antibiotic agent fumimycin has been synthesized for the first time. This natural product was found to inhibit the bacterial peptide deformylase and may represent a lead structure to a class of novel antibacterials. Our synthetic strategy towards fumimycin involved the following steps: Dakin oxidation of an aldehyde functionality, conversion of an oxime through radical fragmentation to form an
Synthesis of Methoxyfumimycin with 1,2-Addition to Ketimines
作者:Patrick J. Gross、Caroline E. Hartmann、Martin Nieger、Stefan Bräse
DOI:10.1021/jo902026s
日期:2010.1.1
The synthesis of (±)-methoxyfumimycin, a potential new bacterial peptide deformylase (PDF) inhibitor, is reported. To generate the stereogenic fully substituted carbon, the key step is a 1,2-addition of a methyl Grignard reagent to a ketimine. The overall synthetic strategy involves a Dakin oxidation of a vanillin derivative, Friedel−Crafts acylation, Claisen rearrangement, lactonization, and rhodium-catalyzed