Instituto Universitario de Química Organometálica Enrique Moles, Universidad de Oviedo, C/Julián Clavería, 8, 33006 Oviedo, Asturias, Spain.
Org Lett. 2011 Oct 7;13(19):5172-5. doi: 10.1021/ol202046y. Epub 2011 Aug 26.
A novel catalyzed intermolecular heterodehydro-Diels-Alder reaction between push-pull 1,3-dien-5-ynes and aldimines or silylaldimines is reported. The sequence is promoted both by gold(I) or silver(I) catalysts and leads to the diastereo- and regioselective formation of 5,6-dihydropyridin-2-ones.
报道了一种新型推拉 1,3-二烯-5-炔与亚胺或硅基亚胺之间的催化分子间杂脱氢 Diels-Alder 反应。该反应序列同时由金(I)或银(I)催化剂促进,并导致 5,6-二氢吡啶-2-酮的非对映选择性和区域选择性形成。