Sinteza amfetaminei din P2NP prin SnCl2 și Zn

Bigballen

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Cât acid dorit se adaugă la final?
 

blacky2340

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Turnați 10 ml acetonă pe 1 ml acid sulfuric concentrat 97%+ în raport de 10:1. Utilizați o pipetă sau o seringă pentru a scădea încet soluția până când se atinge pH 5,5. Dacă este supraacidificată, adăugați mai mult freebase, dacă este mult supraacidificată și se transformă în lichid, atunci la a/b și recristalizați.
 
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ActionAyi

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M-am gândit și la toulen, dar cred că diferența de densitate este prea mică, nu-i așa?
 

G.Patton

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Bună ziua, vă mulțumesc pentru raportul dumneavoastră! Este foarte interesant. 10 g de bază amf liberă reprezintă un randament de 80,4%, destul de bun. Câtă sare ați obținut?
 

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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Am obținut 5 grame de amfetamină din 15 grame 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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Nu cred că acest lucru funcționează. Sper că da și va trebui să încerc.
 

TucoSalamanca.

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Sper să reușești, amice, eu am eșuat.
 
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mithyl2

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Am făcut metoda borohidridă de multe ori fără succes. cel mai aproape am ajuns a fost să fac aproximativ 0,2% randament de amfetamină. a fost real, deși. Am nevoie de acest lucru să funcționeze foarte rău, și mă conduce absolut nebun. lasă-ne să știm cum merge dcm.
 

TucoSalamanca.

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Voi scrie, prietene, nu rata rugăciunile tale pentru ca această sinteză să poată fi realizată, mulțumesc. ❤️
 

TucoSalamanca.

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Nu am putut sintetiza astăzi, o voi face mâine și voi raporta.
 

ActionAyi

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există o altă modalitate de extragere decât DCM?
Poate n-Hexan?
 

August

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Bună ziua prieteni, această reacție nu produce doar feniletilamină (PEA) sau sunt eu doar prost (posibilitate puternică)
 

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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Bună ziua, prietene
Am citit comentariul tău și mi-a plăcut
Cum ați obținut amfetamină pură (în a doua etapă)?
Vă rugăm să recomandați care metodă de producere a amfetaminei este mai bună și, în cele din urmă, are un procent mai mare de puritate
Și că a procurat materiile prime prin intermediul magazinului
(nu am un laborator profesional)
 

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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