Η απλούστερη συνταγή για κρυσταλλική μεφεδρόνη

BevItUp

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UWe9o12jkied91d Θα μπορούσατε να διευκρινίσετε τη μέθοδο που συζητάτε εσείς και ο mocnykutas;

Ευχαριστώ
 

UWe9o12jkied91d

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Δεν ξέρω για ποια διαδικασία καυχιέται συνέχεια αλλά αυτή τη στιγμή είχα τα καλύτερα αποτελέσματα διαλύοντας την κετόνη σε λίγο dcm, θερμαίνοντας ελαφρά στα 35-40, προσθέτοντας τη μεθυλαμίνη με τη μία, αφήνοντας να ανακατευτεί 10m όπως είναι και μετά προσθέτοντας dmso λίγο λίγο σε διάστημα 20-30min. στη συνέχεια προστίθεται νερό μαζί με λίγο οξικό αιθυλεστέρα και ανακατεύεται λίγα λεπτά ακόμα, αφήνεται να διαχωριστεί. αραιώνεται με κρύα ακετόνη και κατακρημνίζεται, δοκίμασα και 33 και 37,5 HCl, καμία αξιοσημείωτη διαφορά.
Από όλες τις διαδικασίες που ακολούθησα αυτή ήταν η πιο καθαρή και με την υψηλότερη απόδοση και ως δευτερεύουσα σημείωση νομίζω ότι όσο μεγαλύτερη είναι η κλίμακα τόσο καλύτερα λειτουργεί.
 

dodobird

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Why add the solvent along with water for flushing though? Noob here 🙏
What uf starting solvent is EA instead of DCM?
 

alwaysalpha

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Dod anyone have tried this recipe???
 

frosties

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Where can I buy benzene/Benzol in Germany anonymously?
 

dnBQByvHb8Zkawbjpx

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Benzene is rather restricted in the EU. You may be able to find a seller but as an individual consumer you'll have a hard time justifying the purchase of more than limited quantity. Ethyl acetate is a solvent for making 4MMC that can be obtained the easiest, is fully legal and not restricted, and is quite cheap.
 
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frosties

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Thx Θα πάω μαζί σας τη μέθοδο του.
 

dnBQByvHb8Zkawbjpx

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Έχετε εμπειρία με την ανάκτηση διαλυτών μέσω απόσταξης; Το DCM είναι μέτρια δύσκολο να αποκτηθεί (με περιορισμούς για τους καταναλωτές στην ΕΕ) και το NMP είναι ακριβό, οπότε η επαναχρησιμοποίησή τους θα μπορούσε να είναι μια ενδιαφέρουσα επιλογή.
 

jango

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jango

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dnBQByvHb8Zkawbjpx

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Ουάου, αυτή η απόδοση είναι τεράστια. Υπάρχουν εναλλακτικές λύσεις για το NMP ώστε να λειτουργήσει ως καταλύτης μεταφοράς φάσης; Διάβασα ότι μπορεί να αντικατασταθεί από DMSO, υπάρχουν άλλες επιλογές που μπορεί να είναι φθηνότερες και πιο εύκολα διαθέσιμες;

Δεν καταλαβαίνω γιατί οι διαλύτες δεν επαναχρησιμοποιούνται και σε μεγαλύτερη κλίμακα - περιορίζεται ο όγκος των αποβλήτων και μειώνεται το κόστος.
 
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61-50-7

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Some impurities stay in the solvent so distillation is needed for reuse and it takes a lot of time and need large equipments. For legal businesses it's possible but for drugs way more complicated (time, space, electricity consumption, etc)
 

dnBQByvHb8Zkawbjpx

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I understand that and I had distillation in mind to recover pure solvent. Especially DCM with its boiling temperature of 40 °C requires almost no energy to distill. I'm definitely going to do that and in about a month I should have some first-hand experience to share.
 

jango

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dodobird

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Hi. This post made months of reading confusion go away, very straightforward, thanks @Madre . I had some important doubts to be cleared for upcoming MasterChef tryout ;), appreciate guidance on them. Here we go...

1. Can I replace the benzene with say 300 ml Ethyl acetate. If so what proportion would be ideal and if any procedural changes needbto be made, I am guessing not.

2. Is it Hcl38% we should use?

3.Does the methyl gad need to be relased after animation at all or do we just pour it in shake and then seal to put in the fridge?
How can I reduce this stage to under 1 hour or 2. Any temperature rise monitoring or precaution until this stage? Max temp?

4. Do we need to was the freebase during flushing, with nac03 plus water first and then 2 x with distilled water?

5. Is this method of preparing the 10-90 Acetine hcl38 solution and adding together, better yielding or beneficial over the much common separate addition method of acetone and hcl38? Does it affect quality potency or failure chances or perhaps yield weight of final powder 4mm

6.... Please share equationally correct reagent and chemical quantities for making 10 kg a day. Also any simple apparatus methods for doing this quantity without much labware beside basic flask and jar. What reaction container could I probably use to replace a reactor etc etc


THANKS YOU VERY MUCH IN ADANCE , GREA JOB!!! 😁
 

Usernamealready

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Jluo9qILcA
There are so many methods mentioned in it that I am confused. There are so many chemicals mentioned. So many things. Which method should I follow?
 
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