fig3

Figure 3. (A) Schematic illustration of the synthesis of OCF-14 and OCF-15 through the imine condensation reaction^[33]. Copyright 2019, American Chemical Society; (B) Schematic illustration of the synthesis of OCF-16 with 3D interpenetrated structure through the imine condensation reaction^[50]. Copyright 2020, American Chemical Society; (C) Structural regulation between OCF-17, OCF-18, and OCF-19 synthesized by an in situ acid-base neutralization method^[51]. Copyright 2019, Chinese Chemical Society. OCF: Organic cage-based framework.