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. 2020 Nov 25;120(24):13480–13544. doi: 10.1021/acs.chemrev.0c00672

Figure 76.

Figure 76

Examples of pericyclic reactions mediated by Fujita’s PdII and PtII octahedral cages. (a) [2 + 2] Photodimerization of acenaphthylenes.303 (b) [2 + 2] Cross-photoaddition of acenaphthylene and 5-ethoxy-1,4-naphthoquinone.304 (c) Asymmetric [2 + 2] cross-photoaddition of fluoranthenes and N-cyclohexylmaleimide.58 Diels–Alder reactions of N-cyclohexylmaleimide with (d) 9-hydroxymethylanthracene305 to give a 1,4-adduct and with normally unreactive (e) triphenylene306 and (f) 2,3-diethylnaphthalene.307 The X-ray structure of Diels–Alder adduct 280⊂6a is shown.