作者:Lakshmanan Venkatraman、Christine E. Salomon、David H. Sherman、Robert A. Fecik
DOI:10.1021/jo062047u
日期:2006.12.1
improved total synthesis of narbonolide and its biotransformation to pikromycin is reported. This total synthesis utilized an intramolecular Nozaki−Hiyama−Kishi coupling that significantly improved macrocyclization yields (90−96%) and allowed for differentiation of the C3- and C5-oxidation states. A pikAI deletion mutant of Streptomyces venezuelae was used to biotransform synthetic narbonolide to pikromycin
据报道,纳波内酯的总合成得到改善,并且可以生物转化为吡咯霉素。该总合成利用了分子内的Nozaki-Hiyama-Kishi偶联,该偶联显着提高了大环化率(90-96%),并允许C3-和C5-氧化态的区分。委内瑞拉链霉菌的一个pikAI缺失突变体通过体内糖基化和氧化作用,将合成的narbonolide转化为吡珠霉素。合成化学和工程生物转化的这种结合对于合成具有生物学意义的新型大环内酯类似物具有广阔的前景。