Department of Chemistry, University of Utah, Salt Lake City, Utah 84102, United States.
Org Lett. 2011 Jun 3;13(11):2936-9. doi: 10.1021/ol2009939. Epub 2011 May 10.
The combination of Fe(OAc)(2) and an electron-donating, sterically hindered pyridyl bisimine ligand catalyzes the cycloaddition of alkynenitriles and alkynes. A variety of substituted pyridines were obtained in good yields.
Fe(OAc)2 和一个给电子的、空间位阻的吡啶双亚胺配体的组合可以催化炔腈和炔烃的环加成反应。各种取代的吡啶都以较好的产率得到。