Синтез на мефедрон (4-MMC) [2B4M, етилов ацетат, метиламин HCl]

Anarchy Labz

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Би било страхотно да разполагате с видеоклип на този синтез 😁
 

dodobird

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@gpatton Моля, кажете на този noob (мен) каква роля играят NAOH и натриевият бикарбонат в този синтез. Благодаря за отговора.
 

Osmosis Vanderwaal

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117,6 % от количеството на 2-b-4-mp. Вие ми напишете изчислението. ( съвет: това е по-тежкият елемент, разделен на по-лекия
 

WillD

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Както Hanna520 написа в друга тема, за този синтез е по-добре да се приготви алк. метиламин. Ще получите по-малко проблеми, свързани с хидролизата на етилов ацетат. Можете да използвате триетиламин, етанол или метанол, или THF. Получете разтвор на газ и утайка от соли без вода. Лесно се отделя чрез декантиране и можете да започнете синтеза си по-успешно. За малки количества това обикновено не е проблем, но ако искате да синтезирате няколко кг наведнъж, ще бъде значително по-различно.
 

goku1008

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2b4m is bk ?
2i4m is ik im i right
 

Naruto

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goku1008

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thanks man
 

mcdonalds

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hello,
i sow in this post way for make reaction with Methylamine HCL ( no in 40% aqueous solution.
my question is because is more easy with hcl. Have differences with this dos ways?

is better follow the procedure with methylamine 40% aqueous solution prepared previously
or
add Metyliamine hcl directly to the mixture reaction like in this post

some one have tried both methods

Thanks for advanced
 

Dr. MMX

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usage of hcl methylamine is inproper in that case, it releases more impurties into the mixture, but in the reality of really bad aq 40% that is used in the market i believe its better solution for the new chemists or ptacticants.
Its better to make it urself the aq from the hcl.
 
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