作者:Kamyar Afarinkia、Akmal Bahar、Judi Neuss、Maushami Vyas
DOI:10.1016/j.tetlet.2004.07.105
日期:2004.9
3-Methoxy-5-chloro-6-methyl-2(H)-1,4-oxazin-2-one4,3-metlioxy-5-chloro-6-phenyl-2(H)-1, 4-oxazin-2-one 5, 3-phenylsulfenyl-5-chloro-6-methyl-2(H)-1,4-oxazin-2-one 6, and 3-phenylsulfenyl-5-chloro-6-phenyl-2(H)-1,4-oxazin-2-one 7, are ambident dienes and undergo Diels-Alder cycloadditions with electron neutral, rich and deficient dienophiles. (C) 2004 Elsevier Ltd. All rights reserved.