DMMDA; 2,5-DIMETHOXY-3,4-METHYLENEDIOXYAMPHETAMINE

SYNTHESIS: Apiole, as the crystalline essential oil 1-allyl-2,5-dimethoxy-3,4-methylenedioxybenzene, is isolated directly from commercial Oil of Parsley, by careful fractional distillation. It is the fraction that boils at 165-167 deg C at 27 mm/Hg. A solution of 19.8 g apiole in a mixture of 43 g KOH and 60 mL hot EtOH was heated in the steam bath for 24 h. With vigorous stirring, it was diluted with H2O, at a rate which the crystals that formed spontaneously could accumulate from the turbidity that was generated. When no more H2O could be added (there was persistent oiling out of material) the reaction mixture was filtered to give 12.1 g of an amber solid material. This was recrystallized from 20 mL boiling hexane, which was filtered while hot to remove insolubles. From the cooled filtrate, there was obtained 9.3 g of 2,5-dimethoxy-3,4-methylenedioxy-1-propenylbenzene, isoapiole, as pale cream-colored solids.

A stirred solution of 8.8 g 2,5-dimethoxy-3,4-methylenedioxy-1-propenylbenzene and 3.9 g pyridine in 45 mL acetone was cooled to ice-bath temperatures, and treated with 7.9 g tetranitromethane. This extremely dark reac-tion was stirred at 0 deg C for 5 min, then quenched with a solution of 2.6 g KOH in 45 mL H2O. With continued stirring, there appeared yellow crystals of 1-(2,5-dimethoxy-3,4-methylenedioxyphenyl)-2-nitropropene which, after filtering, washing with 50% acetone and air drying, weighed 8.0 g and had a mp of 110-111 deg C.

To a well-stirred and gently refluxing suspension of 6.3 g LAH in 500 mL anhydrous Et2O, under an inert atmosphere, there was added 7.5 g 1-(2,5-dimethoxy-3,4-methylenedioxyphenyl)-2-nitropropene by leaching out the nitrostyrene from a thimble in a modified Soxhlet condenser apparatus. The addition took 1.5 h, and the refluxing was maintained for an additional 3 h. After cooling, the excess hydride was destroyed by the cautious addition of 300 mL of 1.5 N H2SO4. The aqueous phase was brought to a pH of 6 with Na2CO3. This was heated to 80 deg C and clarified by filtration though paper. The addition of a stochiometric amount of picric acid in boiling EtOH gave rise to precipitation of the product picrate as globs that did not crystallize. These were washed with cold H2O, then dissolved in 30 mL 5% NaOH. Extraction with 2x75 mL Et2O, and the stripping of the solvent from the pooled extracts, gave 3.1 g of an oily residue which, upon dissolving in 250 mL Et2O and saturation with anhydrous HCl gas, gave white crystals. These were removed by filtration, Et2O-washed, and air dried, to give 2.9 g of 2,5-dimethoxy-3,4-methylenedioxyamphetamine hydrochloride (DMMDA) that melted in the 165-175 deg C range.

DOSAGE: 30 - 75 mg.

DURATION: 6 - 8 h.

QUALITATIVE COMMENTS: (with 25 mg) The intoxication was there at an hour and a quarter, and I was hit with nausea with no particular warning. I am shaky, a little dilated in the eyes, and there is a modest depersonalization (reminding me of LSD). Time might be slightly slowed, and there is a mild ataxia in the legs. A couple of hours later, all effects are going away fast. I ate an apple, but maybe my mouth didn't work quite right. The apple was incredibly noisy.

(with 32 mg) I am up to a 2 1/2 plus at something after two hours, with no apparent visuals, no push, no erotic. And a few hours later it is quietly slipping away. It felt completely safe, and without any conspicuous psychedelic action, at least at this level.

(with 50 mg) I took graded doses of 10 milligrams every thirty minutes for a total of 50 milligrams, and there were no effects at all.

(with 50 mg) In the middle of this all, I found myself getting into abstract thinking, and maybe some imagery as well. The effects were disappointingly light.

(with 75 mg) This was equal to somewhere between 75 and 100 micrograms of LSD. I was caught up with the imagery, and there was an overriding religious aspect to the day. The experience had an esthetic value. I liked it.

EXTENSIONS AND COMMENTARY: DMMDA was the first of the tetraoxygenated amphetamine derivatives that was ever explored in man, back in 1962. And it is not easy to find an acceptable single phrase to describe its action or an acceptable number to describe its potency. I have put the value of 10 mescaline units (M.U.) into the literature and this would imply that maybe 30 milligrams was an active dose. This is probably too low, and some day I would like to run an experiment with the entire research group with this compound to see just what it really does.

The essential oil that corresponds to DMMDA is, of course, apiole from the Oil of Parsley, which again ties together the spice world and the amphetamine world. And there is isoapiole, also a natural thing. This pair represents the ring-substitution pattern of one of the ten essential oils and DMMDA is one of the ten essential amphetamines.

Several people have asked me what I thought about the potential activity of a compound with a methyl group added to DMMDA. One of these possibilities would be the N-methylated derivative, 2,5-dimethoxy-N-methyl-3,4-methylenedioxyamphetamine, or METHYL-DMMDA (or DMMDMA for the dimethoxy-methylenedioxy-methamphetamine nomenclature). It is a MDMA analogue, and is described in the recipe for METHYL-MMDA-2.

The placement of an added methyl group onto the beta-position of DMMDA, rather than on the nitrogen atom, produces a pair of stereoisomeric homologues. These are the threo- (or-trans-) and erythro- (or cis)-2,5-dimethoxy-beta-methyl-3,4-methylenedioxyamphetamines. They have never been assigned trivial names (my original codes for them were S-1495 and S-1496 which is not too intuitively informative). Their chemically proper names would have the 2-amino-3-substituted phenylbutane form. The synthesis of these DMMDA homologues started with the reduction of the nitrosyrene to the ketone (see under METHYL-MMDA-2 for this preparation), followed by methylation with fresh sodium isopropoxide and methyl iodide, to give the beta-methyl product. This formed the two possible oximes, one with a mp of 120 deg C, and the other from MeOH with a mp of 146 deg C. The 120 deg C oxime, with fresh sodium ethoxide gave threo-2-amino-3-(2,5-dimethoxy-3,4-methylenedioxyphenyl)butane hydrochloride. This salt had a mp of 247-249 deg C. The 146 deg C oxime gave erythro-2-amino-3-(2,5-dimethoxy-3,4-methylenedioxyphenyl)butane hydrochloride with a mp of 188-189 deg C. The threo-isomer showed a possible threshold effect at 80 milligrams, with hyperventilation and perhaps some mental muddiness. The erythro-isomer showed no effects, but it had been taken up only to 10 milligrams.

The only other beta-methyl homologue of an active material that was explored chemically, was related to MDA. The ketone (3,4-piperonylacetone, see under MDMA) was methylated with sodium isopropoxide and methyl iodide, and a crystalline oxime was obtained. Reduction with Zn dust gave what appeared to be 2-amino-3-(3,4-methylenedioxyphenyl)butane hydrochloride, but there were sufficient uncertainties (possible dimethylation, only one oxime isolated, the need of strong reducing conditions) that the entire project was placed in, and still is in, an indefinite holding pattern. The similar analogues for DOM are the two Classic Ladies, DAPHNE and ELVIRA, and they, too, are for some time in the future.

Date: 2016-04-22; view: 1108