Synteza amfetaminy z P2NP za pomocą SnCl2 i Zn

Bigballen

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Ile pożądanego kwasu dodać na końcu?
 

blacky2340

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Wlej 10 ml acetonu do 1 ml stężonego 97% + kwasu siarkowego w stosunku 10:1. Za pomocą pipety lub strzykawki wkraplaj roztwór powoli, aż do osiągnięcia pH 5,5. Jeśli roztwór jest zbyt zakwaszony, dodaj więcej wolnej zasady, jeśli jest zbyt zakwaszony i zamienia się w ciecz, a następnie do a/b i ponownie krystalizuj.
 
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ActionAyi

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Myślałem też o toulene, ale myślę, że różnica gęstości jest zbyt mała, prawda?
 

G.Patton

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Witam, dziękuję za raport! To naprawdę interesujące. 10 g wolnej od amf zasady to 80,4% wydajności, całkiem nieźle. Ile soli otrzymałeś?
 

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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Uzyskałem 5 gramów amfetaminy z 15 gramów 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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Nie sądzę, by to zadziałało. Mam nadzieję, że tak i będę musiał spróbować.
 

TucoSalamanca.

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Mam nadzieję, że ci się uda, kolego, mnie się nie udało.
 
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mithyl2

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Robiłem metodę borohydrynową wiele razy bez powodzenia. najbliżej byłem uzyskania około 0,2% wydajności amfetaminy. było to jednak prawdziwe. bardzo potrzebuję, aby to zadziałało i doprowadza mnie to do szału. daj nam znać, jak idzie dcm.
 

TucoSalamanca.

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Napiszę, przyjacielu, nie przegap swoich modlitw, aby ta synteza mogła zostać zrealizowana, dziękuję. ❤️
 

TucoSalamanca.

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Nie mogłem dzisiaj przeprowadzić syntezy, zrobię to jutro i zdam raport.
 

ActionAyi

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Czy jest jakiś inny sposób na ekstrakt niż DCM?
Może n-heksan?
 

August

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Witajcie przyjaciele, czy ta reakcja nie wytwarza po prostu fenyloetyloaminy (PEA), czy jestem po prostu głupi (duże prawdopodobieństwo)?
 

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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Witaj przyjacielu
Przeczytałem Twój komentarz i spodobał mi się
Jak uzyskałeś czystą amfetaminę (w drugim kroku)?
Proszę o poradę, która metoda produkcji amfetaminy jest lepsza i ostatecznie ma wyższy procent czystości.
I że zaopatrywał się w surowce za pośrednictwem sklepu
(Nie mam profesjonalnego 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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