how can I replace hcl gas?
how can I replace hcl gas?
You can use hydrochloric acid, then concentrate and dry under reduced pressure, and add acetonitrile or acetone for dispersion and filtration
how can I replace hcl gas?
@G.Patton Hi thanks for your work! Do you have any advice on dissolving the MDMA freebase into DCM? Ours formed an apple sauce in the dcm (it tests purple black in marque reagant). We had dessicant in the mixture (mag sulfate) and used @btcboss2022 invitro methylamine HCL method but our organic layer is not homogenous so we are wondering if there are tricks thanks!
Thanks, Im finding a lot of information online about mgSO4 being used as a water/oil emulsion stabilizer. I did not find this property reported for Na2SO4. I will try Sodium next time and see if I have better results, if not ill get a pic.
Hello, I'm a newbie studying and experimenting.
I don't have a Reactor 20 L, what equipment can I use?
Thank you very much for the answer.
hello
I would like to know if I can use
40%Methylamine in Methanol Solution CAS Number:74-89-5
instead of using Methylamine gas or not - in the process of mixing with Methanol
yes, you can
There is a relatively fast formation of the imine and the imine is reduced rapidly. There's no reduction of the ketone to the secondary alcohol. In similar reactions, the water that is produced during the forming of the imine (Schiff Base) is removed from the reaction before the imine is reduced with drying salt, or molecular sieves, or by using toluene as the solvent, so the water and the toluene form an azeotrope.
Because of the stability of the imine, this is not necessary for the production of MDMA. (c)
Reagents preparation
Methylamine gas (MeNH2) 300 g is dissolved in chilled 3000 g methanol (MeOH; -17-20 °C) in 20 L reactor, equipped with thermometer and overhead stirrer. The mixture is cooled down to 5 °C. The stirrer is turned on and MDP2P 1000 g is added.
Does this step require a reflux condenser?
thanks for the answer
Please help explain more information in this section.
The mixture is stirred for 2 days. The stirring time can be reduced to 4 h for people in a hurry, 10-20% will be lost.
After adding all the sodium borohydride (NaBH4), we can reduce the stirring time to 4 hours right now, can I do the next step? or must complete 48 hours
Thank you very much for the answer.
Hello. There is clearly written that yes, you can. You will lose about 10-20% yield.
can you make a video tutorial about this method syntesis..it will help a lot all of us
hello.. maybe stupid question.. i have everything instead of
- Methylamine gas (MeNH2) 300 g;
- Methanol (MeOH) 3000 g;
instead i have methylamine 7cas 4-89-5
Is it alcohol or water solution of methylamine?
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