A novel three-component one-pot reaction involving alkynes, urea or thiourea, and aldehydes.
A novel three-component, one-pot condensation yielding 2-amino-4H-1,3-oxazines or 2-amino-4H-1,3-thiazines from alkynes, urea or thiourea, and aldehydes is described. [reaction: see text]
Huang
Shenlin
S
Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.
Pan
Yuanjiang
Y
Zhu
Yulin
Y
Wu
Anxin
A
D000447:Aldehydes / Q000737:chemistry*; D000480:Alkynes / Q000737:chemistry*; D002384:Catalysis; D015394:Molecular Structure; D010078:Oxazines / Q000138:chemical synthesis*; D013843:Thiazines / Q000138:chemical synthesis*; D013890:Thiourea / Q000737:chemistry; D014508:Urea / Q000737:chemistry*
D000447:Aldehydes; D000480:Alkynes; D010078:Oxazines; D013843:Thiazines; D014508:Urea; D013890:Thiourea