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The synthesis of a pyridine : N oxide isophthalamide rotaxane utilizing supplementary amide hydrogen bond interactions

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Figure

Fig. 1Formation of a hydrogen bond templated pseudo-rotaxane con-sisting of an isophthalamide macrocycle and unstoppered pyridine-N-oxide axle, as reported by Jiang and co-workers, ref
Fig. 2Structures of macrocycles 1 and 2.
Fig. 3Partial 1H NMR spectra of macrocycle 1 and pseudo-rotaxane1·5 (CDCl3, 5 mM, 400 MHz, 298 K)
Table 1Inter-component hydrogen bond distances between Hc ofmacrocycles 1 and 2 and pyridine-N-oxide O of thread 5 in simulatedpseudo-rotaxanes 1·5 and 2·5a
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