作者:Stephen T. Heller、James N. Newton、Tingting Fu、Richmond Sarpong
DOI:10.1002/anie.201502894
日期:2015.8.17
synthesis of unsymmetricalketones utilizing a pyrrole‐bearing carbonyl linchpin reagent (carbonyl linchpin N,O‐dimethylhydroxylamine pyrrole; CLAmP) is reported. In contrast to other carbonyl dielectrophile equivalents, CLAmP enables the synthesis of ketones from a variety of organolithium and Grignard reagents. The electrophilic nature of CLAmP enables the addition of less reactive as well as thermally
Protic-Solvent-Mediated Cycloisomerization of Quinoline and Isoquinoline Propargylic Alcohols: Syntheses of (±)-3-Demethoxyerythratidinone and (±)-Cocculidine
作者:Stephen T. Heller、Toshihiro Kiho、Alison R. H. Narayan、Richmond Sarpong
DOI:10.1002/anie.201304687
日期:2013.10.11
route to these unique azacycles (see example). The utility of the benzindolizinone products was demonstrated by the application of this method to the total synthesis of the Erythrinaalkaloids 3‐demethoxyerythratidinone and cocculidine.
将“苯”放入吲哚嗪酮中:苯并[ g ] 吲哚嗪酮和苯并[ e ] 吲哚嗪酮的环异构化方法为这些独特的氮杂环提供了第一条通用路线(参见示例)。通过将这种方法应用于刺桐生物碱 3-脱甲氧基赤霉啶酮和球虫碱的全合成,证明了苯并吲哚嗪酮产品的实用性。