A rare pyridine to pyrrole conversion leading to a side product in epoxide ring opening
作者:Charles Pathirana、Rajesh Shukla、John Castoro、Douglas Weaver、Liam Byrne、Gaelle Pennarun-Thomas、Venkatapuram Palaniswamy
DOI:10.1016/j.tetlet.2009.01.094
日期:2009.4
HPLC and its structure was determined by the analysis of comprehensive NMR and MS data. The structure of 5 reveals that its mechanism of formation includes a rare conversion of a pyridine moiety to a pyrrole.
观察到并分离了中间体4的生产批次中的次要副产物。次要副产物5通过制备型HPLC纯化,并且其结构通过综合NMR和MS数据的分析来确定。5的结构表明,其形成机理包括吡啶部分向吡咯的罕见转化。