Synthèses des 2C-phényléthylamines

NarwhalFucker419

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Quelqu'un a-t-il des informations sur la bromation de 2C-H avec le n-bromosuccinimide ? J'ai vu quelques personnes le mentionner ailleurs, mais je n'ai trouvé aucun compte rendu.
 

Raxmil

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Je suis également à la recherche de ce service, mais je n'ai pas pu trouver d'informations détaillées à ce sujet
Ce que je sais, c'est qu'on peut le faire en GAA ou en DCM, mais je n'ai aucune idée du ratio.
 

amieri

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There's a person in maybe theehive on Reddit.i believe the also have a mescaline synth posted too and a few others.
 

btcboss2022

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J'ai un doute sur la dernière étape de la synthèse du 2CB. Il est dit "Le mélange réactionnel a été ramené à la température ambiante, filtré et les solides ont été lavés avec parcimonie avec de l'acide acétique froid", mais je sais que l'acide acétique devient solide à 16-17°C, alors qu'est-ce que l'acide acétique froid exactement ?
Je vous remercie.
 

G.Patton

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Je suppose que l'acide froid est à température ambiante car il est expliqué que la réaction dégage de la chaleur.
 
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btcboss2022

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Je me suis dit ça aussi mais je préférais confirmer car vous savez quand on dit froid normalement on veut dire congélateur pas RT hahaha mais avec de l'acide acétique ce n'est pas possible ;-) merci
 

w2x3f5

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Je ne comprends pas bien pourquoi laver l'hydrobromure d'amine, c'est impossible à utiliser, ça brûle. Il vaut mieux purifier et obtenir le chlorhydrate et les pertes sont moindres, comme pour éviter les tentatives douteuses de lavage de la poudre de brome.
 

nujrc

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Je comprends que le brome élémentaire restant va s'évaporer dans l'air à partir du produit, comme n'importe quel solvant, de sorte qu'il n'en restera plus aucune quantité raisonnable avec le temps. Faire du HCL sans sécher le HBr - bonne chance pour obtenir un produit plus pur, parce que vous pourriez avoir à traiter avec des sels de brome dans la solution de brome/GAA, et avec le brome lui-même.
 

w2x3f5

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Je ne vois aucun problème à battre les restes de brome avec du thiosulfate, puis à amener le ph à un milieu alcalin et à collecter l'huile avec un solvant.
 

situ1984

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(R)-(+)-α-méthylbenzylamine Numéro CAS :
3886-69-9 Vient-il des poumons ? Est-elle absorbée par l'estomac ? Peut-on l'utiliser directement ?
(R)-(+)-α-méthylbenzylamine Numéro CAS :
3886-69-9 Provient-il des poumons ? Est-il absorbé par l'estomac ? Peut-on l'utiliser directement ?
 

G.Patton

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Il n'a pas d'effets psychologiques.
 

amieri

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Où trouve-t-on le 2,5 diméthynitrostyrène ?
 

HerrHaber

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Condensation de Henry du 2,5-diméthoxybenzaldéhyde avec le nitrométhane en présence d'une amine primaire comme catalyseur.
 

amieri

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It blows my mind how far I've come in this since I wrote this . You guys are all works of inspiration thanks for sharing
 

taricshop

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Est-ce qu'il est possible de remplacer le brome élémentaire par de l'acide hbr ? dans la synthèse 2cb ?
@G.Patton
 

Newbee

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@HEISENBERG @WillD @G.Patton
Question to you guys.Is it possible to perform bromination of 2ch to 2cb by NBS (N-Bromosuccinimide)
instead of elemental bromine (br2)
 
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amieri

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That's seems to be the new go to I see alot.i need to get some succinimide acid n give it a try.
 

Newbee

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i found some writeups on thehivee but im not sure about it i also cant try do it on my own. but NBS seems to be safer to use than BR
 

amieri

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I use a 2×2×4 grow tent in its side with a 8" inline fan going out the building as a hood up on a folding table definitely does the job,still wear a mask non the less. Make sure you have a 5% sodium thiosulphate solution on hand in case of a accident and a rubber made bin with enough of that solution to run through you glass at the end.and think every step out. You got this my friend can't wait to hear of your success.
 

amieri

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Sure you can, obviously dig as deep as you can researching hand but the fact you came this far says a lot.so keep pushing and if you waste something you at least gain the experience.now safety if thats what your concerned about thats a horse of a different color
 

Rabidreject

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I just wanted to say thanks for this incredibly involved set of syntheses.
It is really impressive.
It’s funny, I made quite a few different nitrostyrene’s and nitropropene’s and then when I started reducing them and getting decent yields on active molecule’s, I started thinking okay, well it can’t be that much harder to produce the 2c-x compounds, then you see people making 2c-b and presumably other haloginated 2c’s and you think ah okay.

Then you start digging into the alkylated 2c compounds and my oh my does the chemistry take a jump in complexity!!

Anyway, I’m pretty convinced that my next major project is going to have to be the ethylated 4 position.
Is that a friedl-crafts alkylation you do to the 2,5-dimethoxyacetophenone, I mean in order to get from that to the 2,5-dimethoxy-1-ethylbenzene?

I think the most annoying part of it is that I’m going to have to get a vacuum pump that runs to super high vacuum!

Anyway, be prepared to be bugged by me a lot in the coming months/years because once I set my mind to something, I WILL learn how to get it done. It often involves harassing old posters! Ha
 
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