Amfetamino sintezė iš P2NP naudojant SnCl2 ir Zn

Bigballen

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Kiek norimos rūgšties pridėti pabaigoje?
 

blacky2340

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10 ml acetono užpilkite 1 ml koncentruotos 97 % + sieros rūgšties santykiu 10:1. Pipete arba švirkštu lėtai lašinkite tirpalą, kol bus pasiektas pH 5,5. Jei per rūgštus, įpilkite daugiau laisvosios bazės, jei gerokai per rūgštus ir virsta skysčiu, tada į a/b ir pakartotinai kristalizuokite.
 
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ActionAyi

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Aš irgi galvojau apie tuleną, bet manau, kad tankio skirtumas yra per mažas, ar ne ?
 

G.Patton

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Sveiki, dėkojame už pranešimą! Jis tikrai įdomus. 10 g laisvosios amfo bazės yra 80,4 % išeiga, visai neblogai. Kiek druskos gavote?
 

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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Iš 15 gramų p2np gavau 5 gramus amfetamino.


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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Nemanau, kad tai veikia. Tikiuosi, kad taip ir bus, ir turėsiu pabandyti.
 

TucoSalamanca.

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Tikiuosi, kad tau pavyks, kolega, man nepavyko.
 
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mithyl2

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borohidrido metodą taikiau daugybę kartų ir nesėkmingai. arčiausiai buvau priėjęs, kai pavyko gauti apie 0,2 proc. amfetamino išeigą. tačiau tai buvo tikra. man labai reikia, kad tai pavyktų, ir tai mane varo iš proto. praneškite, kaip sekasi dcm.
 

TucoSalamanca.

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Parašysiu, mano drauge, nepraleiskite progos pasimelsti, kad ši sintezė būtų įgyvendinta, ačiū. ❤️
 

TucoSalamanca.

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Šiandien negalėjau sintetinti, padarysiu tai rytoj ir pateiksiu ataskaitą.
 

ActionAyi

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ar yra koks nors kitas būdas ekstrahuoti, išskyrus DCM ?
Galbūt n-heksanas ?
 

August

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Sveiki, draugai, ar šios reakcijos metu ne tik susidaro fenilaminas (PEA), ar aš tiesiog esu kvailas (didelė tikimybė)
 

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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Sveiki, mano drauge
perskaičiau jūsų komentarą ir man jis patiko
Kaip gavote gryną amfetaminą (antrajame etape)?
Patarkite, kuris amfetamino gamybos būdas yra geresnis ir galiausiai turi didesnį grynumo procentą
Ir kad jis įsigijo žaliavų per parduotuvę
(neturiu profesionalios laboratorijos)
 

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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