MDMA/Synthesis: Difference between revisions

>Kenan
m Import initial synthesis and impurity cleansing from Swist, et al.
>Kenan
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=== Chemicals and reagents ===
=== Chemicals and reagents ===


In the synthesis of MDMA, the following reagents were used: formic acid (98%), hydrochloric acid (36–38%), methylene chloride, sodium hydroxide, acetic acid (99.5%), acetone, diethyl ether, toluene, isopropanol, hydrogen peroxide ( 33%), sulfuric acid (95%) (all POCh, Poland, analytical grade), piperonal (99%, Aldrich, for synthesis), isosafrole (97%, Aldrich, for synthesis), safrole (97%, Aldrich, for synthesis), nitroethane (96%, Aldrich, for synthesis), cyclohexylamine (99%, Aldrich, for synthesis), ethyl formate (97%, Aldrich, for synthesis), hydrobromic acid (62%, Aldrich, analytical grade), methylamine solution (33% in abs. ethyl alcohol, Aldrich, analytical grade), methylamine aqueous solution (40%, Aldrich, analytical grade), diethyl ether (anhydrous, >99%, Aldrich, A.C.S. Reagent), methanol (Merck, HPLC grade), NaBH<sub>4</sub> (Aldrich, for synthesis), NaBH<sub>3</sub>(CN) (Aldrich, for synthesis).
In the synthesis of MDMA, the following reagents were used:
* '''formic acid''' (98%)
* '''hydrochloric acid''' (36–38%)
* '''methylene chloride'''
* '''sodium hydroxide'''
* '''acetic acid''' (99.5%)
* '''acetone'''
* '''diethyl ether'''
* '''toluene'''
* '''isopropanol'''
* '''hydrogen peroxide''' (~33%)
* '''sulfuric acid''' (95%) (all POCh, Poland, analytical grade)
* '''piperonal''' (99%, Aldrich, for synthesis)
* '''isosafrole''' (97%, Aldrich, for synthesis)
* '''safrole''' (97%, Aldrich, for synthesis)
* '''nitroethane''' (96%, Aldrich, for synthesis)
* '''cyclohexylamine''' (99%, Aldrich, for synthesis)
* '''ethyl formate''' (97%, Aldrich, for synthesis)
* '''hydrobromic acid''' (62%, Aldrich, analytical grade)
* '''methylamine solution''' (33% in abs. ethyl alcohol, Aldrich, analytical grade)
* '''methylamine aqueous solution''' (40%, Aldrich, analytical grade)
* '''diethyl ether''' (anhydrous, >99%, Aldrich, A.C.S. Reagent)
* '''methanol''' (Merck, HPLC grade)
* '''NaBH<sub>4</sub>''' (Aldrich, for synthesis)
* '''NaBH<sub>3</sub>'''(CN) (Aldrich, for synthesis).


In impurity profiling experiments, the following reagents were used: carbonate buffer, pH 10 (10.7 ml, 0.1 M NaOH; 50 ml, 0.05 M NaHCO<sub>3</sub>; 39.3 ml H<sub>2</sub>O), ''n''-heptane (Aldrich, HPLC grade), phosphate buffer, pH 7 (Merck), diphenylamine (Supelco, used as internal standard).
In impurity profiling experiments, the following reagents were used:
* '''carbonate buffer''', pH 10 (10.7 ml, 0.1 M NaOH; 50 ml, 0.05 M NaHCO<sub>3</sub>; 39.3 ml H<sub>2</sub>O)
* '''''n''-heptane''' (Aldrich, HPLC grade)
* '''phosphate buffer''', pH 7 (Merck)
* '''diphenylamine''' (Supelco, used as internal standard).


=== Synthesis ===
=== Synthesis ===