Regular paperDirect high-performance liquid chromatographic separation of the enantiomers of methoxy and hydroxy derivatives of 3,4-dihydro-3-(dipropylamino)-2H-1-benzopyrans with dopaminergic activity
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Add time:08/26/2019 Source:sciencedirect.com
The direct HPLC resolution of the enantiomers of methoxy and hydroxy derivatives of 3,4-dihydro-3-(dipropylamino)-2H-1-benzopyrans and of unsubstituted amino compounds was achieved using Chiralcel OD and/or Chiralpak AD stationary phases. The position of the substituent (methoxyl or hydroxyl) in the aromatic ring has a strong effect on the enantioselectivity. Circular dichroism spectra of the single enantiomers of one compound were measured.
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