Síntese de anfetamina a partir de P2NP via SnCl2 e Zn

Bigballen

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Qual a quantidade de ácido desejada para adicionar no final?
 

blacky2340

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Verter 10 ml de acetona em 1 ml de ácido sulfúrico concentrado a 97%+ na proporção de 10:1. Utilizar uma pipeta ou uma seringa para deixar cair a solução lentamente até atingir o pH 5,5. Se estiver sobre-acidificada, adicionar mais base livre, se estiver sobre-acidificada e se transformar em líquido, então a/b e recristalizar.
 
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ActionAyi

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Também pensei no toulene, mas penso que a diferença de densidade é demasiado baixa, não é?
 

G.Patton

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Olá, obrigado pelo vosso relatório! É muito interessante. 10g de base livre de amph é 80,4% de rendimento, muito bom. Qual a quantidade de sal obtida?
 

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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Obtive 5 gramas de anfetamina a partir de 15 gramas de 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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Não creio que isto funcione. Espero que sim e vou ter de o experimentar.
 

TucoSalamanca.

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Espero que tenhas sucesso, amigo, eu falhei.
 
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mithyl2

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O método do borohidreto foi feito muitas vezes sem sucesso. o mais próximo que consegui foi obter cerca de 0,2% de rendimento de anfetamina. foi real, no entanto. preciso muito que isto funcione e está a deixar-me absolutamente louco.
 

TucoSalamanca.

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Escreverei, meu amigo, não falte às vossas orações para que esta síntese possa ser realizada, obrigado. ❤️
 

TucoSalamanca.

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Hoje não consegui sintetizar, mas amanhã faço-o e informo-o.
 

ActionAyi

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Existe alguma outra forma de extração para além do DCM?
Talvez n-Hexano?
 

August

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Olá amigos, esta reação não produz apenas feniletilamina (PEA) ou sou apenas burro (forte possibilidade)
 

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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Olá meu amigo
Li o teu comentário e gostei muito
Como é que conseguiu obter anfetamina pura (na segunda etapa)?
Por favor, indique qual o método de produção de anfetamina que é melhor e que, em última análise, tem uma maior percentagem de pureza
E que adquiriu as matérias-primas através da loja
(Não tenho um laboratório profissional)
 

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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