Informacije in vprašanja o sintezi 5cl-adb-a (MDMB-4en-PINACA)

rcprecursorUSA

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Imam še eno vprašanje - ali za dokončanje te reakcije zadoščajo 2-3 ure mešanja in segrevanja ali naj izberem 4-5 ur, kot je omenjeno v nekaterih drugih zapisih?
 

rcprecursorUSA

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Naredil sem TLC, po 3 urah pretvorba skoraj 100 %, po 4 urah ni predstavljen noben predhodnik (idealno je narediti 3-4 ure, vendar so običajno v redu tudi 2-3 ure)
 
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CremdelaChem

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Izstreli mi sporočilo PM, brat.
 

CremdelaChem

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To je pravzaprav moj zapis, ki ga je ta uporabnik samo ponovno objavil in dodal nekaj vprašanj, nekoč sem delal s tem posameznikom, vendar sem v zadnjem času slišal nekaj pritožb o njih. Hvala za pohvalo glede mojih razlag. Popolnoma se strinjam z vašo analizo trenutnega stanja na kitajskem trgu, zelo pronicljivo. Preveč kitajskih prodajalcev samo zaradi pohlepa uporablja bližnjice v proizvodnji, ne prečiščuje ali izvaja kakršno koli analitično preverjanje svojih predhodnikov. Zaradi tega veliko kupcev po vsem svetu kupuje zelo nečiste predhodnike, ki jih uporabljajo za proizvodnjo nečisto pripravljenih izdelkov z neznanimi in morda strupenimi/nevarnimi stranskimi produkti. To je zelo žalostno, zato spodbujam vse proizvajalce končnih izdelkov, ki imajo sredstva, da svoje izdelke pošljejo v testiranje tretji stranki za analitično preverjanje čistosti in identitete z GCMS/LCMS/HPLC/NMR itd. Če prodajate izdelek končnim uporabnikom, ne da bi to storili, ste neodgovorni in ogrožate zdravje in življenje ljudi.

Če kdo potrebuje napotke za podjetja za testiranje, ki to lahko opravijo po razumnih cenah v ZDA, mi pošljite sporočilo. Ne ogrožajte svojih strank. Pohlep in nevednost sta vzrok za večino tega zla.
 

CremdelaChem

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Prav tako STROGO spodbujam vse proizvajalce, da si vzamejo čas za učenje te naprednejše 2. metode ekstrakcije. Analitično preverjena 5f & 5cl, izdelana tako, da izdelek samo razbijete v ledeni vodi s prvo metodo, skoraj NIKOLI nima višje čistosti od 70-80 %, in kdo ve, kakšne druge smeti puščate v končnem izdelku.
 

benz4k

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ali ste uporabili ekstrakcijo z ledom ali dcm, poskusil sem ta zapis za mdmb-5br-inaca, mešal 4h pri 80C, vendar v ledeni vodi ni praška, le nekaj olja
 
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CremdelaChem

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Oh in še nekaj -- če to reakcijo preveč ali premalo segrejete, vam bo prav tako ostal končni izdelek, ki se bo zlepil raztopljen kot olje. Če vam ostane olje, obstajajo metode za rekristalizacijo praška iz olja in topila, vendar so za novega kemika nekoliko zapletene. S pravimi navodili jih je mogoče zlahka izvesti, če potrebujete navodila, me obvestite.
 
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Celdren

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kaj je sestavina št. 1 in kako jo pridobite? glavna sestavina
 

soebunies

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mdmb-inaca, lahko kupite ali sintezo
 
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janet@gmail

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Da, potreboval bom navodila, če kupim na vašem spletnem mestu (MDMB - INACA ) , ali je še vedno na voljo?
Kako je s kakovostjo ?
 

flyrc

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I would like to ask why you have used our photos without our consent, and on closer inspection some of the watermarks have not been completely erased, and as far as I know you are not a customer of mine!

RMstPIjV1D
 

CremdelaChem

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HAH! This is what I said to them too, they lie and say it is their graphics, but you CAN SEE the ERASED watermarks. THIEF! Trying to use your image to pretend they are the seller.
 

soebunies

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if i want to make mpp-pinaca what amines do i need
 

CremdelaChem

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In mpp-pinaca synth, the indazole-3-carboxylic acid (or its derivative) is first activated (usually as an acid chloride) and then reacted with 1-methyl-1-phenylpropan-2-amine (the amine) in the presence of a base (triethylamine, potassium carbonate, sodium hydroxide, etc.) to form the amide linkage.
Then a pentylamine derivative (such as 1-pentylamine) is reacted to incorporate the pentyl side chain into the molecule.

I have never performed this synthesis, but theoretically the above is how it would proceed.
 

WillD

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L-phenylalanine hydrochloride.
Triethylamine. not use hydroxide, we have ester group.
and amidation catalysts - like HOBt*H2O.
If you asked, this is now a lot where a legal compound with good efficiency is possible.
 
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