Abstract

The new chiral aryl methoxyacetic acids 3–8 were prepared and used as reagents for recognition of the chirality of alcohols and amines by 1H-NMR and for analysis of enantiomeric purity. Separation of NMR signals by compounds 6–8 is two to three times greater than by the standard reagents MTPA ( 1) and MPA ( 2). The influence of conformational and magnetic factors in this effectiveness is discussed.

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