The following drugs are synthesized using the methods in this chapter and in previous chapters. Devise a synthesis for each, starting with any compounds containing no more than six carbon atoms.
(a) Phenacetin, used with aspirin and caffeine in pain-relief medications.
(b) Methamphetamine, once considered a safe diet pill, but now known to be addictive and destructive to brain tissue.
(c) Dopamine, one of the neurotransmitters in the brain. Parkinson's disease is thought to result from a dopamine deficiency.

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но NHCH3 CH3CH2O NH-C-CH3 CH2 CH CH3 но CH,CH,NH» phenacetin methamphetamine dopamine