katera koli metoda sinteze 3CMC?

rafael1985

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Postopek je bil enak kot pri 4 mmc, vendar sem dal mislim, da preveč 35% HCL je mogoče rešiti le to ni nič
 

rafael1985

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Ali je pH 2 res kisel?
 

G.Patton

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5-5,5 je optimalni pH, vendar je veliko vodne kisline HCl in oborine soli 3MMC, ki bi se raztopila v vodi
 

rafael1985

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Kaj moram storiti, da poskusim izpariti to vodo, ko jo dam v zamrzovalnik, ne pride nič. ali morda dam aceton in uporabim zamrzovalnik. ali morda poskusim dati natrijev karbonat, da bo pH višji, bo delovalo?
 

G.Patton

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Raztopino morate alkalizirati na pH 12-13, z etrom ali petroletrom izločiti prosto bazo 3MMC in nato dodati plin HCl za zakisanje raztopine. Dobili boste oborino soli 3MMC.
 
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Lucy123

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Ali vam je uspelo pridobiti 3cmc? Ali bi delovalo, če bi sledil enakim korakom kot pri 4cmc s 3-kloropropiofenonom?
 

G.Patton

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Mislim, da da, ta molekula ima skoraj enake lastnosti.
 
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rafael1985

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Naredim vse korake, kot je bromiranje 4 MMC na diklorometanu, vendar začnem z oljem in po zakisanju pustim pri sobni temperaturi in nič ne pride samo voda spet nekdo ve, kako narediti proces kristalizacije?
 

G.Patton

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Ste poskusili, kar sem vam predlagal?
 

rafael1985

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Moram to alkalizirati z natrijevim hidroksidom?
 

G.Patton

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da, lahko vzamete 20-odstotno aq raztopino
 

rafael1985

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Ali je kdo tukaj uspel s sintezo 3 cmc z dobrim izkoristkom?
 

Bazooka90

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moj izkupiček 3cmc je zelo rjavkast, ali kdo ve, kako ga narediti bolj belega? ali lahko uporabim kakšno belilo?
 

Jesse_Pinkman_

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Razdrobite ga v prah, sperite z ledeno hladnim acetonom, nato pa rekristalizirajte z dest vodo/ipa , dest vodo/acetonom ali samo metanolom (5 ml na 1 g prahu).
Nekateri uporabljajo samo vodo, vendar je za izhlapevanje potrebno več časa.
 

rafael1985

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Imam težave pri izdelavi praška Po acidificarion ni nič prišel.Dal sem na frezer z acetonom nič prišel po izhlapevanju je črna guma.PH je dober.S 4 MMC in 4 CMC ni bilo težav.Ali lahko nekako pomagate?
 

Jesse_Pinkman_

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Po kisanju morate organsko plast ločiti od vodne, vodno plast pa dati v nekaj posod/kontejnerjev in jih pustiti stati nekaj dni, včasih +1 teden, odvisno od prostornine.
Kristali se začnejo oblikovati, ko jih izhlapi 50 %.
Ko se kristali nehajo oblikovati in niso čisti, jih morate z mešalnikom zdrobiti v prah, oprati z ledeno hladnim acetonom, posušiti in nato ponovno kristalizirati z dest vodo/ipa ali samo metanolom ali dest vodo/acetonom.
 

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G.Patton

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Ste videli mojo temo? Domača metoda čiščenja mefedrona Na enak način ga lahko enostavno očistite.
Menim, da je v njem preveč vode. Morate se znebiti vode. Povedal sem vam, kako se je lotiti.
 

The-Hive

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Berlin777

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hvala za to The-Hive, odločil sem se, da ne bom poskusil z acetonom, ko gre za 3CMC, saj bi bilo neučinkovito
 

The-Hive

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Dobra zamisel, sporočite nam rezultate
 
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