作者:Jessica Alves、Tim Krappitz、Florian Feist、James P. Blinco、Christopher Barner‐Kowollik
DOI:10.1002/chem.202003546
日期:2020.12.18
We report a photochemical reaction system which requires activation by two colors of light. Specifically, a dual wavelength gated system is established by fusing the visible light mediated deprotection of a dithioacetal with the UV light activated Diels–Alder reaction of an o‐methylbenzaldehyde with N‐ethylmaleimide. Critically, both light sources are required to achieve the Diels–Alder adduct, irradiation
我们报告了一种光化学反应系统,该系统需要通过两种颜色的光进行激活。具体而言,通过将可见光介导的二硫缩醛的脱保护与邻甲基苯甲醛与N-乙基马来酰亚胺的紫外光激活的Diels-Alder反应融合来建立双波长门控系统。至关重要的是,两个光源都必须达到Diels-Alder加合物,仅用可见光或紫外线照射不会导致目标产品。引入的双栅极光化学系统对于光驱动3D打印中的应用特别有趣,在光驱动3D打印中,两种颜色波长激活的光致抗蚀剂可能成为现实。