X-Ray Crystal Structure and Photo Chemistry of N-Methyl-N-(1-phenylvinyl)benzamide
作者:Sujit Kumar Dehury
DOI:10.1007/s10870-011-0108-5
日期:2011.9
5]-H shift to give isomerized product A. The minor photoproduct B is supposed to be formed via photocyclization process followed by a loss of proton and the tautomerized product undergoes oxidation for the revival of aromaticity.Graphical AbstractIn this paper, the crystal structure and photochemistry of N-methyl-N-(1-phenylvinyl)benzamide (I) is reported.
N-甲基-N-(1-苯基乙烯基)苯甲酰胺 (I) 具有经验式 C16H15NO,在单斜空间群 P21/n 中结晶,晶胞参数 a = 8.9101(2) Å, b = 15.1416(4) Å , c = 9.7737(2) Å, α = 90°, β = 109.3320(10)°, γ = 90°, Z = 4。有趣的是,化合物(I)在光照射下发生光环化反应,得到两个环状内酰胺( A 和 B) 低于 3100 Å。化合物(I)可以在两个等价邻位中的任一个位置环化。内酰胺 A 的形成机制可能涉及在光照射下的电环闭环反应,得到六元环状两性离子中间体。环质子通过 [1, 5]-H 位移重排,得到异构化产物 A。