2Johannes JW,Wenglowsky S,Kishi Y.Biomimetic macrocycleforming diels-alder reaction of an iminium dienophile:Synthetic studies directed toward gynmodimine[J].Org Lett,2005,7(18):3997-4000.
3Miller KM,Jamison TF.Ligand-switchable directing effects of tethered alkenes in nickel-catalyzed additions to alkynes[J].J Amer Chem Soci,2004,126(47):15342-15343.
4Hirano S,Tanaka R.Practical preparationof N-(1-alkynyl) sulfonamides and their remote diastereoselective addition to aldehydes via titanation[J].Org Let,2004,6(5):727-729.