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. 2023 Apr 6;123(8):4602–4634. doi: 10.1021/acs.chemrev.2c00667

Figure 9.

Figure 9

(a) Structural formula of the bicyclooxacalixarene 31. Reproduced with permission from ref (104). Copyright 2005 American Chemical Society. (b) Structural formula of the cryptophane cage 32. Reproduced with permission from ref (105). Copyright 2010 American Chemical Society. (c) Structural formula of the cryptophane cage 33. Reproduced with permission from ref (106). Copyright 2011 American Chemical Society. (d) Structural formula of the semirigid cyclophane ExBox4+. Reproduced with permission from ref (112). Copyright 2013 American Chemical Society. (e) Synthesis of the tetragonal prismatic porphyrin cage TPPCage8+. Reproduced with permission from ref (114). Copyright 2018 American Chemical Society.