Synthese van amfetamine uit P2NP via SnCl2 en Zn

Bigballen

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Hoeveel gewenst zuur moet ik op het einde toevoegen?
 

blacky2340

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Giet 10 ml aceton op 1 ml geconcentreerd 97%+ zwavelzuur in de verhouding 10:1. Gebruik een pipet of spuit om de oplossing langzaam te laten zakken totdat pH 5,5 is bereikt. Als de oplossing te zuur is, voeg dan meer freebase toe, als de oplossing te zuur is en vloeibaar wordt, ga dan naar a/b en herkristalliseer.
 
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ActionAyi

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Ik heb ook aan topeen gedacht, maar ik denk dat het verschil in dichtheid te klein is, nietwaar?
 

G.Patton

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Hallo, bedankt voor je verslag! Het is echt interessant. 10g amfebase is 80,4% opbrengst, heel goed. Hoeveel zout heb je gekregen?
 

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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Ik kreeg 5 gram amfetamine uit 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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Ik denk niet dat dit werkt. Ik hoop van wel en zal het moeten proberen.
 

TucoSalamanca.

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Ik hoop dat je slaagt, maat, ik heb gefaald.
 
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mithyl2

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Ik heb de borohydride methode vele malen gedaan zonder succes. Het dichtste dat ik kwam was ongeveer 0,2% opbrengst van amfetamine. maar het was echt. Ik wil heel graag dat dit werkt en ik word er helemaal gek van. laat ons weten hoe het gaat met het dcm.
 

TucoSalamanca.

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Ik zal schrijven, mijn vriend, mis je gebeden niet zodat deze synthese gerealiseerd kan worden, dank je wel. ❤️
 

TucoSalamanca.

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Ik kon vandaag niet synthetiseren, ik zal het morgen doen en verslag uitbrengen.
 

ActionAyi

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Is er een andere manier voor extract dan DCM?
Misschien n-Hexaan?
 

August

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Hallo vrienden, levert deze reactie niet gewoon fenylethylamine (PEA) op of ben ik gewoon dom (grote mogelijkheid)?
 

William D.

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Part of this method allows you to get phenylacetone. But stage 2 can be difficult.
 

Amin. M

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Hallo mijn vriend
Ik heb je commentaar gelezen en heb ervan genoten
Hoe kreeg je pure amfetamine (in de tweede stap)?
Kunt u adviseren welke methode voor het produceren van amfetamine beter is en uiteindelijk een hoger zuiverheidspercentage heeft?
En dat hij de grondstoffen via de winkel heeft verkregen
(Ik heb geen professioneel 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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