Syntes av amfetamin från P2NP via SnCl2 och Zn

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Hur mycket önskad syra ska man tillsätta i slutet?
 

blacky2340

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Häll 10 ml aceton på 1 ml koncentrerad 97%+ svavelsyra i förhållandet 10:1. Använd pipett eller spruta för att droppa lösningen långsamt tills pH 5,5 har uppnåtts. Om lösningen är för sur, tillsätt mer freebase, om den är för sur och övergår till vätska, tillsätt a/b och återkristallisera.
 
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ActionAyi

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Jag har tänkt på toulene också men jag tror att skillnaden i densitet är för låg är det inte?
 

G.Patton

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Hej, tack för din rapport! Den är verkligen intressant. 10 g amph-fri bas är 80,4% avkastning, ganska bra. Hur mycket salt fick du?
 

Eleusius_hive_reboot

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i just did this synthesis successfully ! (i was very astonished, that it works, like described...!)

i used 1,7g P2NP

- created sncl2 sol. from h202 and conc HCL first, until total dissolution, quenched oxidizing agent w. Bisulfite.

- dissolved p2np in acetone / EtoH and brought solutions of sncl2/p2np-solvent together in 250ml RBF

vigourously stirred for 2hrs.

------SKIPPED OXIME ISOLATION !!!!! -----

instead gave antoher dash of conc. HCL in to the whole

and gave finely divided active-C powder a hydrogen absorber in to RM.

then three portions of Zn-dust were introduced in several heaps...with subsequent hcl/EtoH addition.

as the reagents were used up i gave a small am. of AcOH to the whole and let it further react out a 15mins.


- now i slowly alkalized to ph 12 (metal precipitates formed immediate and sank...no hassle in base extraction....did with xylene/pet.ether/naphta mixture (+a small emulsion preventing splash of 2-propanol , every extraction step...)


i pooled organic xtracts, washed them with conc.brine f. rocksalt....)

afterwards the washed org.phases were run trough fine filtering apparatus.

added a 100mls of H20 and then titrated with Hcl until ph 5,5 ~


the acidic solution was equiv. mixed with acetone / ethanol-2propanol

with concentration under stirring with surface vent.

then the pasty residue was further refined...

I OBTAINED almost 1,3g amph-hcl (hygroscopic but useable!)

so that is a fine well thought route to go, THANKS TO ORIGINAL MASTERMIND
 

Eleusius_hive_reboot

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* MAJOR ! update:...

I DID ONE MORE "GOD-MOVE" AFTER THIS SURPRISE RESULT:.....


I SUCCEEDED IN MODIFYING THE SYNTHESIS - AND DID A REDUCTIVE AMINATION

WITH REFINED P2P AND METHYLAMMONIUMACETATE (OR KIND OF)

IT YIELDED METHAMPHETAMINE RACEMATE.... VERY UNEXPECTED QUANTITY- QUALITY AS SAME AS THE USUAL NABH4 ROUTE I PREFERRED BEFORE...



IT WENT DOWN FROM Imine formation -[ACIDIFIED VARIANT]...... TO HYDROCHLORIDE OF SLIGHT PINK APPEARANCE OVER NIGHT !

-->AT ROOM TEMPERATURE<----

PLEASE dont be mad at me but i decided to keep specifics for myself**

it is a whole new approach to phenetylamine syntheses in general ....

CREDITS TO THIS COMMUNITY PRO INSTRUCTIONAL P2P PURIFICATION TUTORIALS / I WENT TROUGH THE HASSLE OF THE WHOLE WORKUP TECHNIQUES OF THE BB-gate wisdom ...

THE PHENYLACETONE I DERIVED BY : Fe/H+ --P2NP---> Phenyl-2-Propanone



**(exception 4 you, Patton ..i made a writeup , documenting specs etc. i think you get what these
synthesis-dynamic principles hold in value )
 

TucoSalamanca.

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Jag fick 5 gram amfetamin från 15 gram p2np.


ZauN1EcjsM
 
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Chemdogkm

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u recomend this reaction? Or the aluminum? Or the copper?
 

sandman

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Jag tror inte att det här fungerar. Jag hoppas att det gör det och måste prova det.
 

TucoSalamanca.

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Jag hoppas att du lyckas, kompis, jag misslyckades.
 
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mithyl2

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Jag har gjort borhydridmetoden många gånger utan framgång. det närmaste jag kom var att göra cirka 0,2% utbyte av amfetamin. det var dock verkligt. jag behöver det här för att fungera väldigt dåligt, och det gör mig helt galen. låt oss veta hur dcm går.
 

TucoSalamanca.

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Jag kommer att skriva, min vän, missa inte dina böner så att denna syntes kan förverkligas, tack. ❤️
 

TucoSalamanca.

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Jag kunde inte syntetisera idag, men jag gör det imorgon och återkommer med en rapport.
 

ActionAyi

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finns det något annat sätt för extrakt än DCM?
Kanske n-Hexane ?
 

August

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Hej vänner, producerar inte denna reaktion bara fenyletylamin (PEA) eller är jag bara dum (stark möjlighet)
 

William D.

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En del av denna metod gör att du kan få fenylaceton. Men steg 2 kan vara svårt.
 

Amin. M

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Hej min vän
Jag läste din kommentar och tyckte om den
Hur fick du ren amfetamin (i det andra steget)?
Vänligen ge råd om vilken metod för att producera amfetamin som är bättre och i slutändan har en högre renhetsprocent
Och att han skaffade råvarorna genom butiken
(Jag har inte ett professionellt laboratorium)
 

michelAMPH

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Zonder de kosten van 300 gram P2NP .
alle grondstoffen voor 200 gram amfetamine free base kosten hier €416,68???
Mooi recept alleen het kan totaal niet uit
 
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