%0 Journal Article %T An efficient diastereoselective synthesis of spiro pyrido[2,1-b][1,3]oxazines via a novel pyridine-based three-component reaction %A Esmaeili, Abbas Ali %A Hamid Vesalipoor %A Rahele Hosseinabadi %A Alireza Fakhari Zavareh %A Mohammad Ali Naseri %A Ebrahim Ghiamati %J Tetrahedron Letters %@ 0040-4039 %D 2011