Mefedrooni (4-MMC) süntees; lihtne teostada- kõrge saagikusega

[tucoXxX]

Ma tahan peaaegu 1 kg valmistoodet. kas ma saan teha seda 3x reaktiivide kogusega?

 

[olduser]

parem võtta x4 : 2Kg bromoketooni, mõned inimesed ei saavuta isegi 50% saagist + kui soovite seda kristallina, väheneb teie saagis

 

[w2x3f5]

ei ole piisavalt lahustit, 2,5 tundi on liiga palju ja temperatuur liiga kõrge, aine osutus pärast happe lisamist väga määrdunuks.

 

[SonicNL]

Aeg ja aeg on õige. Te olete vist teinud vea.

 

[ghostimage]

28-32с, 1h40min, full reaction so i agree with you, i am a bulk manufacturer, make minimum of 15kgs in one turn, so this parameters cost me about a year of experiments, and you here give it to people, who just dont belive you....ahahahah what a lol ;(

 

[HerrHaber]

Hiljuti saavutasin 4MMC-hüdrokloriidi saagise üle kuuldavasti hetkel, mil ma seda kõige vähem ootasin. Enne kui ma seda kõigile avalikustan, tunnen, et on vaja rohkem kui lihtsalt 5 jooksu (5-st, 2 järjestikust olid suure saagisega, siis 2, mida ma arvasin, et parandan, kuid ei parandanud, ja teine teeb kolmekordse, mis on minu jaoks vajalik, et seda väita). Kuid ma jooksin välja ja ma ootan, et dokumenteerida seda täielikult piltidega ja kõik see. Ja et mitte hinnata "väärtusliku" teabe varjamise eest, võin kaubelda mõningaid vastukaalu üksikasju ettevalmistuse kohta:

-segamine on võti (et DCM ja veekihid oleksid kõige tihedamas kontaktis ilma faasiülekande katalüsaatorita).
-suhteliselt pikk reaktsiooniaeg (umbes 6 kuni 8h, ma kasutan pausi tegemiseks lihtsalt segamise pausi, eeldades, et kui kihid on eraldatud, on reaktsioon peaaegu peatunud)
-ei rakendatud soojust (minu kolmanda ja neljanda katse saagis oli keskmine ja alla selle, kui rakendati õrnat kuumutamist).
-segude ja reaktiivide jahutamine (hapestamise etapil oli jahutatud vedelike saagikus kõige parem).
-filtreerimine kiiresti (kohe pärast tahkete ainete sadestumist, ei lasta jääda, sest osa tootest läheb lahusesse)

Loodan, et see aitab ja luban tulla tagasi üksikasjadega ja miks mitte, valideerimine teise aktiivse liikme poolt.

 

[mcdonalds]

hello,
i'm not sure why condenser is used in this syntessis.
is correct that is for condense methylamine gas and keep it in the reaction

 

[Naruto]

No

 

[olduser]

yes, but as methylamine is already in excess I guess it's used to reduce the smell

 

[HerrHaber]

yes, but harmful even more so

 

[William D.]

If you use cooling with liquid nitrogen, the reaction mixture in the flask would simply freeze . Therefore, only an excess that is filtered or evaporates into the atmosphere

 

[Ranbir Singh]

How can change mephedrone powder to crystel form please tell me

 

[dnBQByvHb8Zkawbjpx]

Using the process called crystallization: http://bbzzzsvqcrqtki6umym6itiixfhn...n/threads/mephedrone-4mmc-crystallization.72/

 

[agness]

Can I use a Ethyl acetate instead of Dichloromethane?

 

[olduser]

Yes

 

[lucky2222]

hello thank you for info knowledge was wonder on the sop if you had methylamine HCL instead of methylamine 40%aq what step would you use instead to make it a liquid ? thank you again for your time

 

[William D.]

@lucky2222 there is a lot of information on this forum about this. You can use water or alcohol with sodium hydroxide or triethylamine to produce gas. Triethylamine is more convenient in some cases if it is available to you.

 

[Blazey]

nice, i missed out on this chem before the bans in the uk, glad to see its around still, i wanna try it me as I love mdma

 

[lucky2222]

hello was wondering if there away to substitute methylamine 40%aq with methylamine hcl in this sop ?

 

[Rhales]

Sry I don't understand clearly your question. The addition of water is used to dissolve the polar impurities in the solution after the reaction (2B4M, methylamine, etc). You need to let it a few minutes then throw away all of the water, only the oil stays.
You can addapt the protocol to 3mmc aswell, you need to use 2-bromo-3-methylpropiophenone as main reagent and keep the same molar ratio (as they are isomers, you can keep the exact same amounts).

 

[olduser]

Sry I don't understand clearly your question. The addition of water is used to dissolve the polar impurities in the solution after the reaction (2B4M, methylamine, etc). You need to let it a few minutes then throw away all of the water, only the oil stays.
You can addapt the protocol to 3mmc aswell, you need to use 2-bromo-3-methylpropiophenone as main reagent and keep the same molar ratio (as they are isomers, you can keep the exact same amounts).

 

[Rhales]

If it's your first batch, I recommend using protocols that has been written by the forum experts. These are good too but hasn't always been tested and are more about experimentation once you already know the synth. WillD threads about mephedrone are really good

 

[olduser]

If it's your first batch, I recommend using protocols that has been written by the forum experts. These are good too but hasn't always been tested and are more about experimentation once you already know the synth. WillD threads about mephedrone are really good