Titanium Isopropoxide Promoted Tandem Self-Cross and Ring-Closing Metathesis Approach for the Synthesis of Macrotetralides
作者:Sengodagounder Muthusamy、Datshanamoorthy Azhagan
DOI:10.1002/ejoc.201301239
日期:2014.1
A new approach is demonstrated for the synthesis of macrotetralides through an olefin metathesis reaction using Grubbs' second-generation catalyst with titanium isopropoxide as a cocatalyst. This study demonstrates a tandem self-cross and ring-closing metathesis approach to form macrocyclic ring systems with excellent (E) selectivity. The reaction was optimized with regard to functional group, catalyst
展示了一种通过烯烃复分解反应合成大环四内酯的新方法,使用 Grubbs 的第二代催化剂和异丙醇钛作为助催化剂。该研究展示了一种串联的自交叉和闭环复分解方法,以形成具有优异 (E) 选择性的大环系统。该反应在官能团、催化剂、溶剂、路易斯酸、浓度和温度方面进行了优化。