Синтез на амфетамин от P2NP чрез SnCl2 и Zn

Bigballen

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Колко желана киселина да се добави накрая?
 

blacky2340

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Изсипете 10ml ацетон върху 1ml концентрирана 97%+ сярна киселина в съотношение 10:1. Използвайте пипета или спринцовка, за да накапете бавно разтвора до достигане на рН 5,5. Ако е прекалено подкиселен, добавете още фребаза, ако е много прекалено подкиселен и се превръща в течност, тогава към а/б и рекристализирайте.
 
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ActionAyi

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Мислил съм и за тулен, но мисля, че разликата в плътността е твърде малка, нали така ?
 

G.Patton

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Здравейте, благодарим ви за доклада! Той е наистина интересен. 10 г свободна амфна база е 80,4% добив, доста добър. Колко сол получихте?
 

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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Получих 5 грама амфетамин от 15 грама п2нп.


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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Не мисля, че това е работещо. Надявам се да стане и ще трябва да го опитам.
 

TucoSalamanca.

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Надявам се да успееш, приятелю, аз не успях.
 
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mithyl2

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правил съм метода с борохидрид много пъти без никакъв успех. най-близкото, до което стигнах, беше да направя около 0,2% добив на амфетамин. все пак беше реално. имам нужда това да проработи много силно и това ме докарва до пълна лудост. кажете ни как върви дкм.
 

TucoSalamanca.

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Ще пиша, приятелю, не пропускай молитвите си, за да може този синтез да се осъществи, благодаря ти. ❤️
 

TucoSalamanca.

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Не можах да синтезирам днес, ще го направя утре и ще докладвам.
 

ActionAyi

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Има ли друг начин за извличане на екстракт, освен DCM ?
Може би n-Hexane ?
 

August

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Здравейте, приятели, дали при тази реакция не се получава просто фенилетиламин (PEA) или просто съм глупав (голяма вероятност)
 

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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Здравей, приятелю мой
Прочетох коментара ви и ми хареса
Как получихте чист амфетамин (във втората стъпка)?
Моля, посъветвайте кой метод за производство на амфетамин е по-добър и в крайна сметка има по-висок процент на чистота
И че се е снабдил със суровините чрез магазина
(Не разполагам с професионална лаборатория)
 

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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