Question Best way to synthesize methamphetamine from ephedrine medium-large scale (50kg+)?

[TotoRina]

Best way to synthesize methamphetamine from ephedrine medium-large scale (50kg+)?

i got ephedrine readily available locally at 200$ per kilogram, cheapest and best way to start large production?

 

[Osmosis Vanderwaal]

Also, specific to eph./ pseudo, there is palladium, /w hcl
palladium on carbon
Pallidium and barium sulphate . /w perchloric, acid
You can reduce it to the Schiffs base or chlorinate it to chloroephedrine and that offers several other route

 

[wooski47]

What about oxidizing it to methcathinone followed by a Clemmensen reduction?

 

[Osmosis Vanderwaal]

Are cathinones base labile? Seems like itncould work if younswapped the clemmeson for a wolfe-kitxhner. I'm not a chemist, somdont take mtword for it

 

[loadingST]

He can just reflux it with sulfuric acid and zinc to reduce to p2p if its not the desired isomer at that price hah

 

[Osmosis Vanderwaal]

But what a shame it would be. Akin to making meth starting from safrole