4-MMC (mephedrone) synthese. Volledige instructievideo.

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Beide werken en beide zijn goed.
 

round2

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Hi Marvin
Great video and I have successfully synthesized 4mmc using this synthesis, thanks. Worked beautifully when acidified with hcl35 but using hbr48 turned out to be a disaster..is hbr not interchangeable with hcl for acidification of 4mmc in benzene?
 

round2

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Btw I used DMSO instead of nmp for the second round
 
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C10H11BrO + CH5N → C11H15NO + HBr
Zoals te zien is in de vergelijking, produceert één molecuul 2-broom-4-methylpropiofenon één molecuul mephedrone.
C10H11BrO : 227,0977 g/mol
C11H15NO : 177,2429 g/mol
227.0977/177.2429=1.28127953
De coëfficiënt is 1,28127953
Dit betekent dat je uit 100 g 2-broom-4-propifenon 78,0469818 g mephedrone-base krijgt.

De massa van mephedronhydrochloride zal toenemen met 1,19 g/cm3 en de coëfficiënt zal 1,27273446 zijn.
C11H15NO+HCl=177.2429+1.19=178.4329
227.0977/178.4329=1.27273446

100g(C10H11BrO)/1.27273446=78.5709849g(C11H15NO)
De theoretische opbrengst van de reactie van 2-broom-4-methylpropiofenon was 78,5709849g mephedrone hydrochloride. Maar er moet rekening mee worden gehouden dat het moeilijk is om de theoretische opbrengst te halen, meestal is het verlies 20%.
 
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Bazooka90

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Ik heb een leverancier van 2-Broom-4-Methylpropiofenon vloeistof gevonden, maar ik weet niet hoe ik vanaf dit punt moet beginnen en hoeveel vloeistof ik moet gebruiken om 100g 4mmc te maken. Ik heb wat advies nodig.
 

Nsowonxmd

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Naar Bych. Niet waar. In een vloeistof. Goed. Peperkorrel
 

William D.

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Niet kwalitatief gezuiverd, of weinig tijd voor de reactie. Er zijn meer details nodig.
 

whitelabel

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Greetings

4mp to 4mmc successfully this way for me but starting 4mp was yellow so bromination done as per process.

Resultant mephedrone was a pasty powder and not crystal like salt as in video. Power was also low even after crystallization. Any thoughts on the pasty powder and low power. Yield was about 120 gms recrystallized from 400 ml 4mp.

Is there any way to purify the 4mp we get to start with or is that fine?

Would a superior product be possible if 4mp is brominated using NBs and PTSA, purified with a solvent nd then make the nmp synthesis from that 2b4m?

Thanks in advance. Tc
 

Tsigger

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Ik heb geen aceton toegevoegd, alleen MMC freebase in benzeen, en ik heb er 30% HCl bij pH 5,5 ingedruppeld. Ik heb het zuur langzaam toegevoegd. Kan aceton het probleem zijn? Ik was het vergeten, omdat ik meestal aanzuur met DCM+water, dus aceton kwam niet in me op. Hoe heb je de schoonheid op de foto aangezuurd? Hartelijk dank.
 
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goatlabs666

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Bedankt broer
 

goatlabs666

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One question, im new in chemical. What Is NMP? Im sorry for the stupid question…
 

loadingST

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N-methyl-pyrrolidine and its toxic to the fertility be awere.
 

NieDoswiadczony

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  • WODA BROMOWA
  • Nazwa odczynnika (ang.): Bromine water
  • Gatunek: czysty
  • Wzór sumaryczny: Br2
  • Masa molowa [g/mol]: 159,82
  • Pojemność [ml]: 1000
  • Numer WE: 231-778-1
  • Numer CAS: 7726-95-6
  • Zawartość [%]: 4is it suitable for synthesis
 

had3s

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Awesome tutorial!

I have question. Can be this tutorial used for 3-CMC or 3-MMC?
 

Amorking

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had3s

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I'm using 2-bromo-4-methylpropiophenone for 4-MMC. What to use for 3-MMC?
 

dodobird

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@Marvin "Popcorn" Sutton can we scale this up using a 50litre batch reactor and drop the bromine Benzene mix from the reactors dropping funnel without any issues?
Bromine mix in an enclosed dropping funnel is a litle scary
 

santi

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dodobird

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Your reply is not clear please explain. What you said exactly
 

santi

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