Mefedronin (4-MMC) synteesi; helppo suorittaa - suuri saanto

cartelloszetas

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Voi tehdä sen paljon nopeammin ja dont tarvitse käyttää laboratoriolaitteita. Näen u tehty hauskaa, jos u täytyy tehdä tällä tavalla u täytyy maksaa paljon monay laitteista.
U käyttää myös liian paljon kemikaaleja.
Kun heität happoa, jauheesi on oltava valkoista MILF ei kuten kahvi. Suuressa mittakaavassa käytät liikaa asetonia ja menetät paljon aikaa jauheen pesemiseen.
Voit saada 81% jauhetta 75% kristallia, kun käytät dcm:ää.
 
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sksameer1

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Plse rakas selittää emijetly nopeasti resepti....I am waiting here
 

sksameer1

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Plse rakas selittää emijetly nopeasti resepti....I am waiting here
 

tucoXxX

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Haluan lähes 1 kg valmista tuotetta. voinko tehdä sen 3x reagenssien määrästä?
 

61-50-7

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parempi ottaa x4 : 2Kg bromoketonia, jotkut ihmiset eivät edes saavuta 50 % saantoa + jos haluat sen kiteisessä muodossa, saantosi laskee
 

HerrHaber

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Saavutin hiljattain 4MMC-hydrokloridin saannon, joka oli suurempi kuin kuultu, hetkellä, jolloin odotin sitä vähiten. Ennen kuin julkistan sen kaikille, minusta tuntuu, että tarvitaan enemmän kuin vain 5 ajoa (5:stä, 2 peräkkäistä oli korkeaa saantoa, sitten 2 luulin, että parantaisin, mutta en parantanut, ja toinen tekee kolminkertaisen, joka vaaditaan, jotta voin todeta tämän). Minulta kuitenkin loppui tavaraa ja odotan innolla, että dokumentoin tämän täysin kuvien ja kaiken sen kanssa. Ja jotta minua ei tuomittaisi "arvokkaiden" tietojen pidättelystä, voin vaihtaa joitain valmistelun vastakkaisia yksityiskohtia:

sekoittaminen on avainasemassa (jotta DCM- ja vesikerrokset pysyvät mahdollisimman läheisessä kosketuksessa ilman faasisiirtymäkatalysaattoria).
-suhteellisen pitkä reaktioaika (noin 6-8 tuntia, käytän taukoa vain keskeyttämällä sekoittamisen olettaen, että jos kerrokset ovat erillään, reaktio on lähes pysähtynyt).
-ei lämpöä (kolmannessa ja neljännessä ajossani saanto oli keskinkertainen ja sitä alhaisempi, kun sitä lämmitettiin kevyesti).
-seoksen ja reagenssien jäähdyttäminen (happamoitusvaiheessa jäähdytetyt nesteet antoivat parhaan saannon).
-suodatin nopeasti (heti kun kiinteät aineet saostuvat, ei saa antaa jäädä, koska osa tuotteesta menee liuokseen).

Toivottavasti tästä on apua, ja lupaan palata yksityiskohtien kanssa ja miksipä ei, validointi toiselta aktiiviselta jäseneltä.
 

mcdonalds

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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
 
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Naruto

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61-50-7

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

HerrHaber

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yes, but harmful even more so
 

William D.

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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

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How can change mephedrone powder to crystel form please tell me
 

agness

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Can I use a Ethyl acetate instead of Dichloromethane?
 

lucky2222

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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
 

Noe

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William D.

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@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

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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

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

Rhales

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61-50-7

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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

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61-50-7

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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
 
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