Ποια είναι η καλύτερη σύνθεση μεφεδρόνης (4-MMC);

PabloEscobar

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Έψαξα στο φόρουμ και υπάρχουν πολλοί διαφορετικοί τρόποι για την παραγωγή μεφεδρόνης. Ποια πιστεύετε ότι είναι η σύνθεση που έχει πραγματικά καλή απόδοση, είναι αρκετά απλή και λιγότερο πιθανό να ανιχνευθεί;
 

G.Patton

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Εξαρτάται από τα αρχικά σας αντιδραστήρια. Καλοί τρόποι μέσω της 2-βορμόνης ή της 2-ιόδωρο-4'-μεθυλοπροπιοφαινόνης
 

mrreese

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hey θα μπορούσατε να πείτε τι πρέπει να κάνετε αν η 4methypropiophenone ρυθμίζεται;
 

HIGGS BOSSON

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Σε αυτή την περίπτωση, μπορείτε να επιλέξετε τις ακόλουθες επιλογές:
1. Να διευκρινίσετε αν το βρωμο (BK-4) ή η ιωδοκετόνη (IK-4) είναι νόμιμο και, αν είναι νόμιμο, να παραγγείλετε την ουσία από την Κίνα.
2. Να συνθέσετε μόνοι σας την 4-μεθυλο-προπιοφαινόνη (η σύνθεση βρίσκεται στο φόρουμ)
3. Αντικαταστήστε την 4-μεθυλοπροπιεοφαινόνη με 3-χλωροπροπιεοφαινόνη ή άλλο ανάλογο
 

Nsowonxmd

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Όπου το λιγότερο. Κοιτάτε.
Όπου η πιο. Θα βρείτε
 

QAZ123123

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2-Bromo-4'-methylpropiophenone (cas 1451-82-7) Making 4MMC,The simplest synthesis method?
 

dnBQByvHb8Zkawbjpx

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It's not like there's too many options.

React 2b4m with methylamine. I prefer methylamine hydrochloride (easier to handle, less smell) but 40 % solution works just as well. Use whatever solvent you can get the easiest and without drawing attention, usually ethyl acetate but possibly DCM, toluene or benzene.

The process is the same: reaction, free base flushing, acidification, extraction, drying and/or recrystallization.

Consider performing acidification in aqueous environment without acetone. You save on acetone and it's good for yield as well. Read the forum, there is plenty of posts about 4-MMC from 2b4m.
 
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QAZ123123

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Can you give me a recipe and production process?I haven't experimented yet.I need to decide on my plan now.Then start,Thank you
 

dnBQByvHb8Zkawbjpx

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Bro there's like 20 posts with recipes about this on the forum. Read them, compare them, see the different solvents that people use and find which you can get the easiest based on your circumstances, and come back with any concrete questions that you might have. But you need to put in your own time and work first, nobody can do that for you.
 

QAZ123123

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Thanks for your suggestion, I will read it. Are all the methods in those videos feasible? Then I just follow the video step by step
 

dnBQByvHb8Zkawbjpx

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Yes, all of them are feasible. Just pay attention to the details. Some videos use iodoketone while the majority of posts use bromoketone that is typically easier to source. But even then the process tends to be the same.

Try to understand the general steps, what they do and why they are included, instead of following a recipe without fundamental understanding of each step. The process of making 4-MMC from BK4 is generally reaction, free base flushing, acidification, extraction, purification. It can't get any easier once you understand the purpose of each step, why it's done and how you can adjust it to your needs.
 
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