Smuggling Method for Drug Powders of Methamphetamine and MDA Hydrochlorides and Amphetamine Sulphate
The hidden transportation of the precursors and drugs is significantly important issue for vendors. In this article, the new method of hidden transportation of methamphetamine hydrochloride, MDA...
Hello dear users 🤘
i need done help with my synthesis
I have
2b4m
Ethyl acetate
MA 40% aq solution
HCl 38%
acetone
Dh2o
First i dissolve 100g 2b4m without grinding in 300ml EA stirring 20min until dissolves and heating to 40c, then i pour 200 ml MA 40 with stirring without heating.
my...
hello everyone
i want to know how long the bromination of propiophenone takes in this video: Methcathinone HCl Synthesis From Propiophenone
in stage 1: I'm not sure if i have to stir it for 1 day or 1 hour is just enough...
in stage 2: after the bromination process and after adding methylamine...
The synthesis of Ephedrine hydrochloride is proceeding according to Scheme 1.
Scheme 1
Were've carried out 3 synthesis of Ephedrine with 1, 1.5 and 2 equivalents of NaBH4 to methcathinone
Starting reagents and materials for a one synthesis:
10 g of purified methcathinone hydrochloride
40-50...
Stage 1. Bromination of propiophenone
The bromination of propiophenone occurs according to Scheme 1.
Scheme 1
Starting reagents and materials
50 ml propiophenone
40 ml HBr (1,3 g/ml)
55 ml H2O2 35%
150 ml dichloromethane (DCM)
2000-2500 ml H2O
250 ml 5% Na2S2O3 (12.5 g and 238 ml H2O)
250...