Oxazoline as a useful tool in organic synthesis: preparation of 4-aryl-1,2,3,4-tetrahydroisoquinoline alkaloid skeleton
作者:Julio A. Seijas、M. Pilar Vázquez-Tato、M. Montserrat Martínez、Moacir G. Pizzolatti
DOI:10.1016/j.tetlet.2005.06.139
日期:2005.8
New direct strategy for the synthesis of 4-aryl-1,2,3,4-tetrahydroisoquinolines. The key steps are based on oxazoline chemistry: nucleophilic substitution in an ortho-methoxyphenyloxazoline with a Grignard reagent and a 1,6-conjugate addition of a lithium amide to o-styrylphenyloxazoline.
合成4-芳基-1,2,3,4-四氢异喹啉的新的直接策略。关键步骤基于恶唑啉化学:用Grignard试剂在邻甲氧基苯基恶唑啉中进行亲核取代,并将酰胺锂的1,6-共轭加成到邻苯乙烯基苯基恶唑啉中。