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. Author manuscript; available in PMC: 2021 Dec 9.
Published in final edited form as: J Am Chem Soc. 2020 Nov 30;142(49):20513–20518. doi: 10.1021/jacs.0c09361

Figure 5:

Figure 5:

(A) Isolation of guest-free CB[7]-OH by guest exchange with 9 and subsequent decomplexation with piperidine. (B,C) Displacement of 12 by ortho-carborane (9) and formation of CB[7]-OH•9 (top, blue) and decomplexation and removal of (11) to form a guest-free CB[7]-OH cavity (bottom, red) observed by 1H-NMR (B) and 11B-NMR spectroscopy (C).