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https://www.erowid.org/archive/rhodium/chemistry/birch.pseudo.html

This is just really bad write up of Uncle fester's ephedrine from methyl l-d alanine.I performed this synthesis and it really works but it would be pretty hard to scale it and reagents are costly.

Some useful links for Ammonia/Lithium/Sodium reduction https://erowid.org/archive/rhodium/chemistry/birch.mrclean.html

Well you need hydrocarbon solvent like Coleman/toluene/xylene/kerosene.When meth is based by NaOH in the bottle it wants to go to hydrocarbon solvent it wont go to ethanol.I never used Benzene so i do not know about that one but keep in mind that even little water in the reaction bottle can stop...

Okay i will distill it no way around it.

Okay will distill it.Guess no way around it.Do you think that it is absolutely necessary to measure pressure in in system when vacuum distilling p2p oil/meth freebase oil?Or can i just plug-in vacuum pump to vacuum adapter on new empty receiving flask when DCM has been distilled off (cause DCM...

After distilling DCM off. Can i use it in NaBHr4 reaction as it is?Or is it absolutely necessary to distill the p2p first to be able to use it in reaction?

hey i am newbie attempting this synthesis.I was wondering if my calculations are right.I want to scale it down to start only from 60grams of p2p oil. These are my calculations: p2p 60g 434ml methanol with 43g of MeNH2 15.6g magnesium sulfate 86,9 ml of silica gel 6,5g NaBH4 2 liters of water...