Electron-transfer photooxygenation of tetraphenylallene formation of 1,3-dihydroperoxy-1, 1,3,3-tetraphenyl-2-propanone and its decomposition under chemiluminescence
作者:Klaus Gollnick、Albert Schnatterer
DOI:10.1016/s0040-4039(00)61872-5
日期:1985.1
DCA-sensitized electron-transfer photooxygenation of tetraphenylallene () in acetonitrile yields benzophenone () and polymeric material. In acetone, the yield of is better than twice the amount obtained in acetonitrile and very little of polymeric material is observed. If the acetone solution is worked-up immediately after the oxygen consumption ceased, 1,3-dihydroperoxy-1,1,3,3-tetrapheny]-2-propanone
在乙腈中DCA敏化的四苯丙烯()的电子转移光氧合生成了二苯甲酮()和聚合材料。在丙酮中,的收率好于乙腈中获得的收率的两倍,并且观察到非常少的聚合物材料。如果在停止耗氧后立即对丙酮溶液进行后处理,则会分离出1,3-二氢过氧-1,1,3,3-四苯基] -2-丙酮()。它的形成被认为是通过过氧烯丙基两性离子和四苯基环丙烷酮()发生的(方案1)。缓慢分解为,在中性溶液中CO + CO 2(3:1);在碱的存在下,分解很快,导致形成两个分子,一分子水和一分子CO 2。在各种荧光剂和碱的存在下分解,会产生添加剂的亮荧光。