Red-Light-Promoted Radical Cascade Reaction to Access Tetralins and Dialins Enabled by Zinc(II)porphyrin, A Light-Flexible Catalyst
作者:Yusuke Okanishi、Otoki Takemoto、Sanpou Kawahara、Satoshi Hayashi、Toshikatsu Takanami、Takehiko Yoshimitsu
DOI:10.1021/acs.orglett.4c01112
日期:——
15-Bis(pentafluorophenyl)-10,20-diphenylporphinato]zinc(II) (1), a metalloporphyrin derivative that was recently reported as an efficient photocatalyst driven by blue LEDs by our group, was found to catalyze a red-light-promoted (630 nm LEDs) radical cascade reaction of N-3-arylpropionyloxyphthalimides with radicophiles including electron-deficient alkenes and alkynes, providing access to a range of functionalized
[5,15-双(五氟苯基)-10,20-二苯基卟啉]锌(II) ( 1 )是一种金属卟啉衍生物,最近被我们小组报道为一种由蓝光LED驱动的高效光催化剂,被发现可以催化红光N -3-芳基丙酰氧基邻苯二甲酰亚胺与包括缺电子烯烃和炔烃在内的亲自由基化合物进行光促进(630 nm LED)自由基级联反应,从而获得一系列功能化的四氢化萘和二氢化萘衍生物。 1催化的自由基级联反应通过DMSO中的氧化猝灭循环发生,不需要牺牲电子供体,揭示了能够促进卟啉催化的独特溶剂效应。