The dextrorotary enantiomer ("D-enantiomer", "S-enantiomer", "D isomer", etc.) of methamphetamine has a higher affinity for stimulation of the central
nervous system and thus is considered the more psychoactive stereoisomer. The levorotary enantiomer ("L-enantiomer", "R-enantiomer", etc.) of
methamphetamine is/can be used as a nasal supressant and possesses a lesser effect on the CNS.
...
the phenylacetone reduction which produces a racemic mixture. Walter actually does refer to this by saying "And if our reduction is not stereospecific
then how can our product be enantiomerically pure?"
[Edited on 3-1-2014 by GreenDao] |