Photochemical reactions of 1-methyl-4,6-diaryl-2(1<i>H</i>)-pyrimidinones in the presence of thiols
作者:Takehiko Nishio、Michiyo Kato
DOI:10.1002/jhet.5570340122
日期:1997.1
Photochemical reactions of 1-methyl-4,6-diaryl-2(1H)pyrimidinones 1a-b in the presence of thiols 2 are described. Irradiation of 1-methyl-4,6-diaryl-2(1H)-pyrimidinones 1a-b in benzene in the presence of thiols 2 gave the unexpected 2:1-adducts, 3-methyl-4,6-diaryl-5-aralkylthio-6-(1′-methyl-4′,6′-diaryldihydro-pyrimidin-2-on)yl-1,3-diazabicyclo[2.2.0]hexan-2-ones 3-6, of 1 and 2, whereas irradiation
描述了在硫醇2的存在下1-甲基-4,6-二芳基-2(1 H)嘧啶酮1a-b的光化学反应。在硫醇2存在下在苯中辐照1-甲基-4,6-二芳基-2(1 H)-嘧啶酮1a-b得到意外的2:1加合物3-甲基-4,6-二芳基-5 -芳烷基硫基-6-(1'-甲基-4',6'-二芳基二氢-嘧啶-2-基)基-1,3-二氮杂双环[2.2.0]己-2--2-酮3-6,分别为1和2 ,而仅在苯中辐照1a-b导致未改变的1a-b回收。