What Difference Between Amphetamines and Methamphetamines?

Question by : what difference between amphetamines and methamphetamines?

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Answer by Merlin’s Feline
The side chain amino group in amphetamine is methylated making a secondary amine. This increases potency by a factor of 20 or more .

PHE-CH2-CH(NH2)-CH3 amphetamine
PE-CH2-CH(NHCH3)-CH3 methamphetamine ( also called N-methamphetamine)

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