A convergent preparation of the C1–C13 fragment of amphotericin B from a single chiral precursor
作者:Carlo Bonini、Lucia Chiummiento、Angela Martuscelli、Licia Viggiani
DOI:10.1016/j.tetlet.2004.01.035
日期:2004.3
short, highly efficient, stereoconvergent synthesis of the polyolic chain, C1–C13, of the macrolide antibiotic amphotericin B is described. The key features of the synthesis are the use of a single chiral precursor for the establishment of the stereogenic centres in a short synthetic sequence, and the final alkyl lithium addition to the appropriate aldehyde, which showed high diastereoselectivity for
描述了大环内酯类抗生素两性霉素B的多元链C1-C13的短而高效的立体收敛合成。合成的关键特征是使用单一的手性前体以较短的合成顺序建立立体异构中心,最后烷基锂添加到适当的醛中,对第五种立体异构正确的立体化学显示出较高的非对映选择性。中心。