本文要点:
可见光光催化因其清洁、高效、绿色的特点被广泛应用于生产各种有机产品。然而,涉及光催化反应合成共价有机框架(COFs)的例子迄今为止很少报道。
在本文中,作者首次报道了通过不同醛、胺和苯基乙烯砜之间的光催化三组分一锅Povarov反应,光催化合成了一系列具有高结晶度和永久孔隙率的喹啉连接的COFs。
此外,所获得的喹啉连接的COFs是稳定的,并且可以用作有效的光催化剂来促进芳基硼酸以优异的产率光催化氧化羟基化为苯酚。
这种光催化聚合策略为以绿色和简便的方式构建稳定的喹啉连接的COFs开辟了新的途径。
Scheme 1. (a) Proposed Mechanism of the Model Reaction for the Synthesis of 2-Phenylquinoline; (b) Synthesis of TAPT-TFPT-PVS-COF, TAPT-TFPB-PVS-COF, and TAPT-DA-PVS-COF
Figure 1. (a) Comparison of the FT-IR spectra of TAPT-TFPT-PVS-COF (black) and TAPT-TFPT-COF (red). (b) Comparison of the 13C CP/MAS solid-state NMR spectra of TAPT-TFPT-PVS-COF (black) and TAPT-TFPT-COF (red). Asterisks denote spinning sidebands. (c) Indexed experimental (red), Pawley-refined (black), and simulated (green) PXRD patterns of TAPT-TFPT-PVS-COF. The difference plot is presented in blue. (d) The top view of the eclipsed structure proposed for TAPT-TFPT-PVS-COF (C, dark gray; N, blue).
https://doi.org/10.1021/acsmaterialslett.4c01665