Victor: I know every step of this cook.

Walt: Oh, do you?!…

Tell me. Catalytic hydrogenation is protic or aprotic? Because I forgot.

If our reduction is not stereospecific, then how can our product be enantiomerically pure?

I mean, it’s 1-phenyl-1-hydroxy-2-methylaminopropane, containing, of course, chiral centers at carbons number 1 and 2 on a propane chain; then reduction to methamphetamine eliminates which chiral centers again? Because I can’t remember… Come on! Help me out, professor!!