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The NMR spectra of some 1- and 2-substituted perimidinium salts 139 are discussed and assigned. Several 2-substituted derivatives possess and H NMR spectra that reflect relatively slow prototropic tautomerism due to hydrogen bonding with a solvent, intramolecular hydrogen bonding, or enhanced delocalization of the nitrogen lone pair (88MRC191). [Pg.295]

See other pages where 1 -Substituted perimidinium salts is mentioned: [Pg.102] [Pg.103]

See also in sourсe #XX -- [ Pg.3 ]

See also in sourсe #XX -- [ Pg.13 ]

See also in sourсe #XX -- [ Pg.13 ]

See also in sourсe #XX -- [ Pg.13 ]