Fig. 2: P5A forms host-guest complexes with both 1-MNA and nicotinamide, but P6A selectively binds to 1-MNA. | Communications Chemistry

Fig. 2: P5A forms host-guest complexes with both 1-MNA and nicotinamide, but P6A selectively binds to 1-MNA.

From: Pillar[6]arene acts as a biosensor for quantitative detection of a vitamin metabolite in crude biological samples

Fig. 2

a–d Partial 1H NMR spectra of the indicated complexes. The proton peaks of the guest molecule are indicated by the red rectangles: (a) P5A, 1-MNA, and P5A and 1-MNA, (b) P6A, 1-MNA, and P6A and 1-MNA, (c) P5A, nicotinamide (NA), and P5A and NA, and (d) P6A, NA, and P6A and NA. e Structures of the guest molecules.

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