Синтез амфетамина из P2NP с помощью SnCl2 и Zn

Bigballen

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Сколько желаемой кислоты добавить в конце?
 

blacky2340

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Налейте 10 мл ацетона на 1 мл концентрированной 97 %+ серной кислоты в соотношении 10:1. С помощью пипетки или шприца медленно капайте раствор до достижения pH 5,5. Если раствор перекислен, добавьте больше фрибазы, если перекислен и превращается в жидкость, то долейте а/б и повторно обработайте.
 
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ActionAyi

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Я тоже думал о тулене, но думаю, что разница в плотности слишком мала, не так ли?
 

G.Patton

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Здравствуйте, спасибо за ваш доклад! Это действительно интересно. 10 г свободного основания амф - это 80,4% выход, довольно хорошо. Сколько соли вы получили?
 

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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Из 15 граммов p2np я получил 5 граммов амфетамина.


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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Я не думаю, что это сработает. Надеюсь, что работает, и мне придется попробовать.
 

TucoSalamanca.

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Надеюсь, у тебя получится, приятель, у меня не получилось.
 
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mithyl2

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Я много раз безуспешно пробовал метод борогидрида. самое близкое, к чему я пришел, - это выход амфетамина около 0,2%. но это было реально. мне очень нужно, чтобы это сработало, и это сводит меня с ума. дайте нам знать, как идет работа с dcm.
 

TucoSalamanca.

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Я буду писать, мой друг, не пропускай молитвы, чтобы этот синтез мог быть осуществлен, спасибо. ❤️
 

TucoSalamanca.

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Сегодня я не смог провести синтез, сделаю это завтра и отчитаюсь.
 

ActionAyi

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Есть ли другой способ получения экстракта, кроме DCM?
Может быть, н-гексан?
 

August

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Здравствуйте, друзья, не получается ли в результате этой реакции просто фенилэтиламин (PEA) или я просто тупой (большая вероятность).
 

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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Здравствуйте, мой друг
Я прочитал ваш комментарий и получил удовольствие.
Как вы получили чистый амфетамин (на втором этапе)?
Пожалуйста, посоветуйте, какой метод производства амфетамина лучше и в конечном итоге имеет более высокий процент чистоты
И что он приобрел сырье через магазин.
(У меня нет профессиональной лаборатории)
 

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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