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Original Articles

MOLECULAR MODELING OF ENANTIOMERIC RESOLUTION OF METHYLPHENIDATE ON CELLULOSE TRISBENZOATE CHIRAL STATIONARY PHASE

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Pages 2739-2748 | Received 16 Apr 2002, Accepted 08 Jun 2002, Published online: 19 Aug 2006
 

ABSTRACT

The enantiomeric resolution of (±)-threo methylphenidate (MPH) (Ritalin®) has been achieved on Chiralcel OB column using the mobile phase hexane–ethanol–methanol–trifluoroacetic acid (480 : 9.75 : 9.75 : 0.5, v/v/v/v), containing benzoic acid and phenol as mobile phase additives. Ultraviolet detection was carried out at 230 nm. Molecular modeling was carried out to explain the chiral resolution mechanism of MPH enantiomers.

ACKNOWLEDGMENT

The authors (I.A. and H.Y.A-E.) would like to thank the King Faisal Specialist Hospital and Research Center, Riyadh administration for their support for the Pharmaceutical Analysis Laboratory Research Program.

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