BMK Glycidic Acid Sodium Salt Conversion to P2P with 85% Phosphoric Acid + Leuckart-Wallach reaction to yield Amphetamine freebase oil (A-Oil)

Berlin777

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Why not to mix all at once?
 

MisterAnonymous

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Mix what all at once ? Be more specific please!
 
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MisterAnonymous

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Because if you drip the Boiling BMK with a dropping funnel into boiling phosphoric acid its slower but you have a much higher conversation rate!
 

Berlin777

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I used HCl aq and got usually 67%

what’s yours?
 

rampage

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nice write up mate, its a pity the sodium salt is now banned
 

MisterAnonymous

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Not in all countries!
I know a mass scale Manufacturer who ships me Reagent Grade BMK Glycidic Acid Sodium Salt for a really really good price and other chemicals like PMK powder also still available you just need to know the laws of a certain country in China it's banned exactly thanks to pressure from the US Gov.
But anyway if you are interested to buy some Sodium Salt togheter send me a message it will only get cheaper the more I order!
+ it's Reagent Grade it has a 90% conversion rate with 85% Phosphoric Acid to P2P!
That's allot!
Chinese shit was like 60% or so...
 
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MisterAnonymous

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Ow ok then block me 😊 if you have a reagent grade chemical you can i am not making this up but just do your thing I'll do mine and it will all be OK 🙂
 

MisterAnonymous

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Here you can see another write up by a skilled chemist about steam distillation of P2P and he also uses a potassium carbonate solution!
 

OrgUnikum

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Seems we have an disagreement here and I have no problem at all with the fact. I posted what I had to say and everybody can decide for himself now, the beauty and horrors of free choice :ROFLMAO:

Peace and Drugs and Rock'n Roll..!
 
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MisterAnonymous

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@OrgUnikum Yesterday I did a steam distillation i added 75g of potassium carbonate to 500ml of H2O added it too my P2P and perfomed steam distillation and yielded perfect transparent like water P2P with a neutral Ph level its stupid i didn't take pictures i just think of you know when i am 5 hours and 10 minutes into the Leuckart-Wallach reaction and another 50 minutes of refluxing to successfully complete the reaction and the reaction mixture looks good not too dark yellow and Ph is around 6 - 7 so thats also a good sign!
A8yi09f2jq
 

MisterAnonymous

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Next is cool the solution down add water separate layers keep the top N-Formylamphetamine layer and do hydrolysis!
I will post more pictures when I further in the synthesis
 

MisterAnonymous

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The reaction is finished i am cooling it down now till a temp i can successfully add H2O without a big evaporation around 50C° - 60C° and separate layers but everything looks good good color, neutral Ph level and the reaction mixtures temperature dropped slightly with the same heating that indicates your reaction is packing up!
YyhlD60qMj
 

Fernandohatescorn

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Hi can you provide a synthesis for methamphetamine from the Leckard-Wallach reaction
 

OrgUnikum

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For Methamphetamine the Al/Hg reductive Amination gives much better yields and cleaner product. You will have to look a little bit for a really good working method, those all over the net are sub-optimal to put it politely.
 

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He is right!
 

OrgUnikum

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Sure I am ;)

And this is how you do it:

You need a overhead stirrer, a simple one from an old battery drill works great + PTFE stir-rod + blades off Aliexpress - 10 USD or so.
But you can use iron/steel in this reaction without any problems too. Vessel, Stirrer, etc.
60 g P2P need less then 25 g Aluminium as granules or shavings if any possible 99,999..% - no powder! Ebay or whatever, not watched not expensive. Do not use foil! The less Al the less mess in the workup.
40 g Methylamine Base thats 100 g of 40% aqueous solution, you can use MeNH2 in alcohol too or you can make the base in situ from the hydrochloride.
Solvent: EtOH or IPA or methanol. If you use Ethanol denaturated you should remove any MEK or other Ketone used for denaturation.
When using MeNH2.HCl or MeNH2 in alcohol you can process 400 g P2P in a 4 liter flask, when using it as watery solution not so much as you need more alcohol to compensate for the shitload of water in the reaction.

General outline of the reaction: Make half of the Al to Amalgam by using Hg salt in warm water/alcohol mix Just enough to cover the Al. Decant this and put Al in the reaction flask. Add methylamine and half of the alcohol, the other half is used to dilute the P2P. Start stirring, warm up to 40 °C - cut off heating, prepare a cooling bath with water at room temperature and start adding P2P slowly. A dropping funnel comes handy for anything bigger. Use the cooling bath to keep temperature below 50 °C. No refluxing! This would just drive all the methylamine out - which you need in and the stink....
Use a thermocouple/thermometer IN the flask for measuring.
Takes time when done remove cooling bath (do NOT use ice-water or you might kill the reaction off whats bad.
Add the rest of the Al (what you amalgamate using the same Hg/water as before) in two portions according to the P2P addition, say one portion when half of the P2P is in and the rest when 90% are in. Bigger amounts processed take longer and you divide into more portions, common sense.
No problem if it gets to 70 °C but it starts stinking. Do not cool below 40 °C or it may die.
After everything is in and the temp drops, start heating it mildly to keep at about 50 °C
Best over night.

Next day you cool it down, add ice-cold NaOH solution, and steamdistill directly from the pot or after an extraction depending on your setup and equipment. Before steaming out the meth you distill off the alcohol which is loaded with methylamine and gets re-used next time and then you can cut the amount of methylamine used to half.

for 100 ml of P2P:
40g of Al 99,9999..% pure as shavings or granules
70 g of methylamine, this equals 155 g of methylamine hydrochloride + 90 g NaOH (first time. Later when using the methylamine loaded alcohol cut amounts by half)

Now the question of water. Water is needed but too much is not good.
I recommend to use methylamine in alcohol or to make it from the HCl salt and NaOH what can be done in the same pot, the formed salt does not hurt (if you use an overhead stirrer of course). In this case you add three times 25 ml of water to the reaction. One portion at the beginning, one portion when about half of the P2P was added and the rest later say when 2/3 of P2P are in? You get the drift.


Anybody who knows where in EU I can get some BMK, like 2 kg or so, for a reasonable price, please PM me.
thx
 
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