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X-Ray crystallographic studies of enantiomerically pure dimethylphenazino-18-crown-6 ligand (R,R)-1 and its complexes with the enantiomers of α-(1-naphthyl)ethylammonium perchlorate NapEt were carried out. These studies clearly show that the heterochiral complex (R,R)-1-(S)-NapEt is more stable than the homochiral one (R,R)-1-(R)-NapEt. It was pointed out that besides the hydrogen bonding, mainly...
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