Yes they weer fresh. Don't remember any peculiar smells, the material had been kept in a fridge, and presumably, due to its strength was reasonably fresh.
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Sounds like it would be a better idea to prepare directly the D- or L-tartrate or use a chirally directing amino-acid to form the salts from. Otherwise if starting with the HCl, resolution would be a bitch. And the produuct would doubtless end up as a ball of colored snot since you'd have to base it to form a chiral salt and resolve it. Either that or use a chiral synthesis in the first place.Damn!
As for cathinone, it isn't half bad. Albeit at the price of a mouthful of leaves and twigs. The good thing about khat is that it takes a while to come on, and its being slowly drip-fed transmucosally so there isn't the abrupt dropoff in activity that leads to fiending. Very different from say, synthetic methcathinone.
Why bother cleaving the cathinones in vitro at all? IIRC pthalimidopropiophenone itself is viable in the case of cathinone as a pro-drug. Saves having to fuck about given the generally unstable nature of the primary amine cathinones.As for the cleavage of phthalimidopropiophenone(what a name!), this can be done with conc. aqueous HCl, the resulting solution reduced, and filtered repeatedly to remove phthalic acid.
Would be especially attractive in the case of psychedelic ring-substituted cathinones, a slower come-up is the trade-off in the case of a pure stimulant, but could well be desirable in the case of a psychedelic. An abrupt onset can be a bit much for some, and can increase tendency towards nausea. Tsath' has on a couple of occasions, shot (IV) BK-2C-B...I find those very interesting too, the corresponding -phenones are also mostly easy to make or cheap enough for an experiment if one would rather buy them.