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            Reductive amination of MDP2P to MDMA using Pt/C - by KrZ
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4L MeOH containing 20 moles of Methylamine
10 moles of Glacial Acetic Acid
1600g MDP2P
100g 10% Pt/C

The GAA/MeOH/MeAm were combined and the MDP2P was added dropwise with stirring.
When addition was complete 400g of anhydrous silica gel was added and overhead
stirring was commenced for 6 hours.  The silica gel was filtered and 100g of 10%
Pt/C was added to the mix.  This was then placed in the hydrogenator and shaken
for 4 hours, at which point 105% of the theoretical H2 had been absorbed.  The
mix was filtered once with vacuum to recover the catalyst (MeOH rinsed), and
again through celite to remove the brackish color present due to remaining
catalyst particles.  4L of the mix was placed in a 5L distillation apparatus and
2L of MeOH was removed at atmospheric pressure, after cooling, the remainder of
the mix was added, and distilled until the temperature rose to 80C.  After
cooling, distillation was commenced again, collecting the acetic acid fraction,
and then collecting 1400ml of MDMA.  The MDMA was taken up in 2L of ether and
saturated with HCl gas until crystalization had ceased.  The total quantity of
hydrochloride salt recover was 1755g.

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