fig13
![Molecular engineering toward large pore-sized covalent organic frameworks](https://image.oaes.cc/fb361da7-32a2-4393-ae05-1da30b195551/cs3063.fig.13.jpg)
Figure 13. Synthesis scheme of JUC-640-M. (i) o-DCB/n-BuOH = 1/1, HAc (6 M), 120 °C and 7 days. Reproduced with permission from ref.[46]. Copyright © 2023, American Chemical Society. HFPTP: 2,3,6,7,14,15-hexa(4′-formylphenyl)triptycene; DCB: dichlorobenzene.