Syntéza amfetaminu z P2NP pomocí SnCl2 a Zn

Bigballen

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Kolik požadované kyseliny přidat na závěr?
 

blacky2340

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Nalijte 10 ml acetonu na 1 ml koncentrované kyseliny 97% + kyseliny sírové v poměru 10:1. Pomocí pipety nebo injekční stříkačky roztok pomalu kapejte, dokud nedosáhnete pH 5,5. Pokud je překyselený, přidejte více volné báze, pokud je hodně překyselený a mění se v kapalinu, pak do a/b a rekrystalizujte.
 
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ActionAyi

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Přemýšlel jsem také o toulenu, ale myslím, že rozdíl hustot je příliš malý, nebo ne ?
 

G.Patton

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Dobrý den, děkujeme za zprávu! Je to opravdu zajímavé. Výtěžek 10 g volné báze amph je 80,4 %, což je docela dobré. Kolik soli jste získal?
 

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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Z 15 gramů p2np jsem získal 5 gramů amfetaminu.


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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Myslím, že to nefunguje. Doufám, že ano, a budu to muset vyzkoušet.
 

TucoSalamanca.

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Doufám, že se ti to podaří, kamaráde, mně se to nepodařilo.
 
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mithyl2

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borohydridovou metodu jsem dělal mnohokrát bez úspěchu. nejblíže jsem byl, když jsem vyrobil asi 0,2% výtěžek amfetaminu. bylo to ale reálné. nutně to potřebuju, aby to fungovalo, a to mě naprosto vytáčí. dejte vědět, jak to s dcm jde.
 

TucoSalamanca.

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Napíšu, příteli, nepropásněte své modlitby, aby se tato syntéza mohla uskutečnit, děkuji. ❤️
 

TucoSalamanca.

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Dnes jsem nemohl syntetizovat, udělám to zítra a podám zprávu.
 

ActionAyi

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Existuje jiný způsob extrakce než DCM ?
Možná n-hexan ?
 

August

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Dobrý den, přátelé, nevzniká při této reakci pouze fenyletylamin (PEA), nebo jsem jen hloupý (silná možnost).
 

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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Dobrý den, můj příteli
Přečetl jsem si váš komentář a pobavil jsem se
Jak jste získal čistý amfetamin (ve druhém kroku)?
Prosím, poraďte, který způsob výroby amfetaminu je lepší a v konečném důsledku má vyšší procento čistoty.
A že si obstaral suroviny prostřednictvím obchodu.
(Nemám profesionální laboratoř)
 

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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