5-MAPB

Last updated

5-MAPB
5-MAPB.svg
5-MAPB molecule ball.png
Clinical data
Other names5-(N-Methyl-2-aminopropyl)benzofuran
Routes of
administration 		Oral, Insufflated, Rectal
Legal status
Legal status
Identifiers
  • 1-(Benzofuran-5-yl)-N-methylpropan-2-amine
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
Formula C12H15NO
Molar mass 189.25 g/mol (freebase)
225.7 g/mol (HCl salt) g·mol−1
3D model (JSmol)
  • CC(NC)CC1=CC(C=CO2)=C2C=C1
  • InChI=1S/C12H15NO/c1-9(13-2)7-10-3-4-12-11(8-10)5-6-14-12/h3-6,8-9,13H,7H2,1-2H3
  • Key:ZOVRTIPCNFERHY-UHFFFAOYSA-N

5-MAPB, also known as 5-(N-methyl-2-aminopropyl)benzofuran, is an entactogen and designer drug of the amphetamine family that is similar to MDMA in its structure and effects. [1]

Contents

It has been patented by Tactogen as an entactogen for potential use as a medicine. [2]

Pharmacology

Pharmacodynamics

5-MAPB acts as a serotonin–norepinephrine–dopamine releasing agent with EC50 Tooltip half-maximal effective concentration values for induction of monoamine release of 64 nM for serotonin, 24 nM for norepinephrine, and 41 nM for dopamine using rat brain synaptosomes. [3] [4] [5] [6] It is also a partial agonist of the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors. [3] [4] [7]

Monoamine release of 5-MAPB and its enantiomers [2]
Compound SERT Tooltip Serotonin transporter NET Tooltip Norepinephrine transporter DAT Tooltip Dopamine transporterDAT/SERT ratio
(S)-5-MAPB67ND2580.26
75% (S)-5-MAPB80ND6320.13
(RS)-5-MAPB90ND4590.20
75% (R)-5-MAPB122ND7940.15
(R)-5-MAPB184ND19510.09
Note: This assay used Chinese hamster ovary (CHO) cells expressing human monoamine transporters rather than the more typical rat brain synaptosomes assay. [2]

5-MAPB has been described by Matthew Baggott as the MDMA analogue so far known that has the closest effects and so-called "magic" to MDMA itself. [8] [9] Other analogues that lack the full quality of MDMA include MBDB, methylone, 6-APDB, 5-APDB, 6-APB, 5-APB, MDAT, and MDAI, among others. [8] [9]

5-MAPB has been marketed as a less- or non-neurotoxic alternative to MDMA. [10] However, 5-MAPB has been found to be a dose-dependent serotonergic neurotoxin in rodents similarly to MDMA, and might also be a dopaminergic neurotoxin. [10]

Pharmacokinetics

Little formal knowledge exists on 5-MAPB. It does not form the α-methyldopamine metabolite that contributes to the neurotoxicity of MDMA or MDA. [11] [12] [13] [14] A study in rats indicated that the major metabolites of 5-MAPB are 5-APB and 3-carboxymethyl-4-hydroxymethamphetamine. [15]

Canada

5-MAPB is not listed itself in the CDSA but since it is structurally related to MDMA it may be considered illegal in Canada, although this has not been tested in court. [16]

China

As of October 2015 5-MAPB is a controlled substance in China. [17]

Luxembourg

As of July 2021, 5-MAPB is not cited in the list of prohibited substances. [18] Therefore, it is still a legal substance.

United Kingdom

5-MAPB was originally banned in the UK in June 2013 under a Temporary class drug order. [19] On March 5, 2014, the UK Home Office announced that 5-MAPB would be made a class B drug on 10 June 2014 alongside every other benzofuran entactogen and many structurally related drugs. [20]

See also

Related Research Articles

<span class="mw-page-title-main">Empathogen</span> Class of psychoactive drugs that produce empathic experiences

Empathogens or entactogens are a class of psychoactive drugs that induce the production of experiences of emotional communion, oneness, relatedness, emotional openness—that is, empathy or sympathy—as particularly observed and reported for experiences with 3,4-methylenedioxymethamphetamine (MDMA). This class of drug is distinguished from the classes of hallucinogen or psychedelic, and amphetamine or stimulants. Major members of this class include MDMA, MDA, MDEA, MDOH, MBDB, 5-APB, 5-MAPB, 6-APB, 6-MAPB, methylone, mephedrone, GHB, αMT, and αET, MDAI among others. Most entactogens are phenethylamines and amphetamines, although several, such as αMT and αET, are tryptamines. When referring to MDMA and its counterparts, the term MDxx is often used. Entactogens are sometimes incorrectly referred to as hallucinogens or stimulants, although many entactogens such as ecstasy exhibit psychedelic or stimulant properties as well.

<span class="mw-page-title-main">3,4-Methylenedioxyamphetamine</span> Empathogen-entactogen, psychostimulant, and psychedelic drug of the amphetamine family

3,4-Methylenedioxyamphetamine (MDA), sometimes referred to as sass, is an empathogen-entactogen, stimulant, and psychedelic drug of the amphetamine family that is encountered mainly as a recreational drug. In its pharmacology, MDA is a serotonin–norepinephrine–dopamine releasing agent (SNDRA). In most countries, the drug is a controlled substance and its possession and sale are illegal.

<span class="mw-page-title-main">Methylone</span> Group of stereoisomers

Methylone, also known as 3,4-methylenedioxy-N-methylcathinone (MDMC), is an entactogen and stimulant drug of the amphetamine, cathinone, and benzodioxole families related to 3,4-methylenedioxymethamphetamine. It is the β-keto or cathinone analogue of MDMA. Methylone is usually taken orally, but is also used by other routes.

<span class="mw-page-title-main">5-APDB</span> Chemical compound

5-(2-Aminopropyl)-2,3-dihydrobenzofuran is a putative entactogen drug of the phenethylamine and amphetamine classes. It is an analogue of MDA where the heterocyclic 3-position oxygen from the 3,4-methylenedioxy ring has been replaced by a methylene bridge. 6-APDB is an analogue of 5-APDB where the 4-position oxygen has been replaced by a methylene bridge instead. 5-APDB was developed by a team led by David E. Nichols at Purdue University as part of their research into non-neurotoxic analogues of MDMA.

<span class="mw-page-title-main">MDAI</span> Chemical compound

MDAI, also known as 5,6-methylenedioxy-2-aminoindane, is an entactogen drug of the 2-aminoindane group which is related to MDMA and produces similar subjective effects.

<span class="mw-page-title-main">MMAI</span> Chemical compound

5-Methoxy-6-methyl-2-aminoindane (MMAI) is a drug of the 2-aminoindane group developed in the 1990s by a team led by David E. Nichols at Purdue University. It acts as a less neurotoxic and highly selective serotonin releasing agent (SSRA) and produces entactogenic effects in humans. It has been sold as a designer drug and research chemical online since 2010.

A serotonin–norepinephrine–dopamine releasing agent (SNDRA), also known as a triple releasing agent (TRA), is a type of drug which induces the release of serotonin, norepinephrine/epinephrine, and dopamine in the brain and body. SNDRAs produce euphoriant, entactogen, and psychostimulant effects, and are almost exclusively encountered as recreational drugs.

α-Methyldopamine Chemical compound

α-Methyldopamine (α-Me-DA), also known as 3,4-dihydroxyamphetamine or as catecholamphetamine, is a research chemical of the catecholamine and amphetamine families. It is a monoamine releasing agent and a metabolite of MDMA and MDA. The bis-glutathionyl metabolite of α-methyldopamine is slightly neurotoxic when directly injected into the brain's ventricles.

<span class="mw-page-title-main">6-APDB</span> Stimulant designer drug

6-(2-Aminopropyl)-2,3-dihydrobenzofuran is a stimulant and entactogen drug of the phenethylamine and amphetamine classes. It is an analogue of MDA where the heterocyclic 4-position oxygen from the 3,4-methylenedioxy ring has been replaced with a methylene bridge. 5-APDB (3-Desoxy-MDA) is an analogue of 6-APDB where the 3-position oxygen has been replaced with a methylene instead. 6-APDB, along with 5-APDB, was first synthesized by David E. Nichols in the early 1990s while investigating non-neurotoxic MDMA analogues.

<span class="mw-page-title-main">Methylenedioxycathinone</span> Chemical compound

3,4-Methylenedioxycathinone, also known as β-keto-3,4-methylenedioxyamphetamine (βk-MDA), is an entactogen and stimulant drug of the phenethylamine, amphetamine, and cathinone families. It is the β-keto analogue of MDA.

<span class="mw-page-title-main">6-MAPB</span> Chemical compound

6-MAPB is a psychedelic and entactogenic drug which is structurally related to 6-APB and MDMA. It is not known to have been widely sold as a "designer drug" but has been detected in analytical samples taken from individuals hospitalised after using drug combinations that included other benzofuran derivatives. 6-MAPB was banned in the UK in June 2013, along with 9 other related compounds which were thought to produce similar effects.

<span class="mw-page-title-main">4-Methylcathinone</span> Stimulant designer drug

4-Methylcathinone (4-MC), also known as normephedrone is a stimulant drug of the cathinone group. It is an active metabolite of the better known drug mephedrone.

<span class="mw-page-title-main">BK-5-MAPB</span> Chemical compound

βk-5-MAPB, or BK-5-MAPB, is an entactogen of the benzofuran and cathinone groups which is related to both 5-MAPB and methylone. It was patented by Matthew Baggott and Tactogen and is under investigation by Tactogen for potential medical use.

<span class="mw-page-title-main">Monoamine neurotoxin</span> Compounds that damage or destroy monoaminergic neurons

A monoamine neurotoxin, or monoaminergic neurotoxin, is a drug that selectively damages or destroys monoaminergic neurons. Monoaminergic neurons are neurons that signal via stimulation by monoamine neurotransmitters including serotonin, dopamine, and norepinephrine.

<span class="mw-page-title-main">ODMA (drug)</span> MDMA analogue

ODMA is a bioisosteric analogue of 3,4-methylenedioxy-N-methylamphetamine (MDMA) which was developed in an attempt to create an improved MDMA alternative for potential clinical use. It is the analogue of MDMA in which the 1,3-benzodioxole ring has been replaced with a 2,1,3-benzoxadiazole ring. TDMA and SeDMA are closely related analogues. ODMA, TDMA, and SeDMA are releasing agents of serotonin, norepinephrine, and dopamine similarly to MDMA. However, they are less potent and efficacious in activating the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors than MDMA and show differing and potentially improved metabolic and pharmacokinetic properties in comparison. ODMA, TDMA, and SeDMA were first described in the scientific literature in June 2024.

<span class="mw-page-title-main">TDMA (drug)</span> MDMA analogue

TDMA is a bioisosteric analogue of 3,4-methylenedioxy-N-methylamphetamine (MDMA) which was developed in an attempt to create an improved MDMA alternative for potential clinical use. It is the analogue of MDMA in which the 1,3-benzodioxole ring has been replaced with a 2,1,3-benzothiadiazole ring. ODMA and SeDMA are closely related analogues. ODMA, TDMA, and SeDMA are releasing agents of serotonin, norepinephrine, and dopamine similarly to MDMA. However, they are less potent and efficacious in activating the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors than MDMA and show differing and potentially improved metabolic and pharmacokinetic properties in comparison. ODMA, TDMA, and SeDMA were first described in the scientific literature in June 2024.

<span class="mw-page-title-main">SeDMA</span> MDMA analogue

SeDMA is a bioisosteric analogue of 3,4-methylenedioxy-N-methylamphetamine (MDMA) which was developed in an attempt to create an improved MDMA alternative for potential clinical use. It is the analogue of MDMA in which the 1,3-benzodioxole ring has been replaced with a 2,1,3-benzoselenadiazole ring. ODMA and TDMA are closely related analogues. ODMA, TDMA, and SeDMA are releasing agents of serotonin, norepinephrine, and dopamine similarly to MDMA. However, they are less potent and efficacious in activating the serotonin 5-HT2A, 5-HT2B, and 5-HT2C receptors than MDMA and show differing and potentially improved metabolic and pharmacokinetic properties in comparison. ODMA, TDMA, and SeDMA were first described in the scientific literature in June 2024.

<span class="mw-page-title-main">Borax combo</span> Designer drug combination mimicking MDMA

The Borax combo, also known by the informal brand names Blue Bliss and Pink Star, is a combination recreational and designer drug described as an MDMA-like entactogen.

<span class="mw-page-title-main">6-MBPB</span> Pharmaceutical compound

6-MBPB, also known as 6-(2-methylaminobutyl)benzofuran (6-MABB), is a monoamine releasing agent (MRA) and entactogen-like drug of the amphetamine, phenylisobutylamine, and benzofuran families. It is a positional isomer of 5-MBPB (5-MABB).

Tactogen is a public benefit corporation and start-up pharmaceutical company based in Palo Alto, California that is developing novel MDMA-like entactogens and psychedelics as medicines. Its stated goal is to develop new MDMA-like drugs with improved effectiveness, tolerability, and safety, as well as gentleness and accessibility, for treatment of psychiatric disorders and other conditions. Tactogen was co-founded by neuroscientist Matthew J. Baggott and Luke Pustejovsky in 2020. Baggott is the chief executive officer (CEO) while Pustejovsky is the chief operating officer (COO).

References

  1. ↑ "Temporary class drug order report on 5-6APB and NBOMe compounds". UK Home Office. 4 June 2013. Retrieved 2013-07-10.
  2. 1 2 3 WO 2021/252538,Baggott M,"Advantageous benzofuran compositions for mental disorders or enhancement",published 16 December 2021, assigned to Tactogen Inc.
  3. 1 2 Roque Bravo R, Silva JP, Carmo H, Carvalho F, Dias da Silva D (2022). "The Toll of Benzofurans in the Context of Drug Abuse". Handbook of Substance Misuse and Addictions. Cham: Springer International Publishing. p. 1–24. doi:10.1007/978-3-030-67928-6_168-1. ISBN   978-3-030-67928-6.
  4. 1 2 Oeri HE (May 2021). "Beyond ecstasy: Alternative entactogens to 3,4-methylenedioxymethamphetamine with potential applications in psychotherapy". Journal of Psychopharmacology. 35 (5): 512–536. doi:10.1177/0269881120920420. PMC   8155739 . PMID   32909493.
  5. ↑ Brandt SD, Walters HM, Partilla JS, Blough BE, Kavanagh PV, Baumann MH (December 2020). "The psychoactive aminoalkylbenzofuran derivatives, 5-APB and 6-APB, mimic the effects of 3,4-methylenedioxyamphetamine (MDA) on monoamine transmission in male rats". Psychopharmacology (Berl). 237 (12): 3703–3714. doi:10.1007/s00213-020-05648-z. PMC   7686291 . PMID   32875347.
  6. ↑ Sahai MA, Davidson C, Khelashvili G, Barrese V, Dutta N, Weinstein H, et al. (April 2017). "Combined in vitro and in silico approaches to the assessment of stimulant properties of novel psychoactive substances - The case of the benzofuran 5-MAPB" (PDF). Progress in Neuro-Psychopharmacology & Biological Psychiatry. 75: 1–9. doi:10.1016/j.pnpbp.2016.11.004. PMID   27890676. S2CID   30943496.
  7. ↑ Shimshoni JA, Winkler I, Golan E, Nutt D (January 2017). "Neurochemical binding profiles of novel indole and benzofuran MDMA analogues". Naunyn Schmiedebergs Arch Pharmacol. 390 (1): 15–24. doi:10.1007/s00210-016-1297-4. hdl: 10044/1/43622 . PMID   27650729.
  8. 1 2 Baggott M (23 June 2023). Beyond Ecstasy: Progress in Developing and Understanding a Novel Class of Therapeutic Medicine. PS2023 [Psychedelic Science 2023, June 19-23, 2023, Denver, Colorado]. Denver, CO: Multidisciplinary Association for Psychedelic Studies.
  9. 1 2 "Better Than Ecstasy: Progress in Developing a Novel Class of Therapeutic with Matthew Baggott, PhD". YouTube. 6 March 2024. Retrieved 20 November 2024.
  10. 1 2 Johnson CB, Burroughs RL, Baggott MJ, Davidson CJ, Perrine SA, Baker LE (2022). 314.03 / RR6 - Locomotor stimulant effects and persistent serotonin depletions following [1-Benzofuran-5-yl)-N-methylpropan-2-amine (5-MAPB) treatment in Sprague-Dawley rats. Society for Neuroscience Conference, Nov. 14, 2022, San Diego, CA. 5-MAPB has been marketed as a less neurotoxic analogue of MDMA, but no studies have addressed whether 5-MAPB can cause the long lasting serotonergic changes seen with high or repeated MDMA dosing. [...] Neurochemical analyses indicated a statistically significant reduction in 5‑HT and 5-HIAA in all brain regions assessed 24 hours and two weeks after 6 mg/kg 5‑MAPB, with no statistically significant differences in monoamine levels between 1.2 mg/kg and saline-treated rats. There were also non-significant trends for reductions in striatal dopamine at both time intervals after 6 mg/kg 5-MAPB. These results show that 5-MAPB can dose-dependently produce persistent changes in 5-HT and 5-HIAA that appear analogous to those produced by MDMA.
  11. ↑ Shimshoni JA, Winkler I, Golan E, Nutt D (January 2017). "Neurochemical binding profiles of novel indole and benzofuran MDMA analogues". Naunyn-Schmiedeberg's Archives of Pharmacology. 390 (1): 15–24. doi:10.1007/s00210-016-1297-4. hdl: 10044/1/43622 . PMID   27650729.
  12. ↑ McCann UD, Ricaurte GA (April 1991). "Major metabolites of (+/-)3,4-methylenedioxyamphetamine (MDA) do not mediate its toxic effects on brain serotonin neurons". Brain Research. 545 (1–2): 279–282. doi: 10.1016/0006-8993(91)91297-E . PMID   1860050. S2CID   2574803.
  13. ↑ Miller RT, Lau SS, Monks TJ (April 1997). "2,5-Bis-(glutathion-S-yl)-alpha-methyldopamine, a putative metabolite of (+/-)-3,4-methylenedioxyamphetamine, decreases brain serotonin concentrations". European Journal of Pharmacology. 323 (2–3): 173–180. doi:10.1016/S0014-2999(97)00044-7. PMID   9128836.
  14. ↑ Conway EL, Louis WJ, Jarrott B (December 1978). "Acute and chronic administration of alpha-methyldopa: regional levels of endogenous and alpha-methylated catecholamines in rat brain". European Journal of Pharmacology. 52 (3–4): 271–280. doi:10.1016/0014-2999(78)90279-0. PMID   729639.
  15. ↑ Welter J, Kavanagh P, Meyer MR, Maurer HH (February 2015). "Benzofuran analogues of amphetamine and methamphetamine: studies on the metabolism and toxicological analysis of 5-APB and 5-MAPB in urine and plasma using GC-MS and LC-(HR)-MS(n) techniques". Analytical and Bioanalytical Chemistry. 407 (5): 1371–1388. doi:10.1007/s00216-014-8360-0. PMID   25471293. S2CID   20653012.
  16. ↑ "Schedule I". Government Of Canada. 2014-12-12. Archived from the original on 2013-11-22. Retrieved 2014-12-13.
  17. ↑ "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" [Notice on the issuance of the "Regulations on the Listing of Non-Medicinal Narcotic Drugs and Psychotropic Drugs"] (in Chinese). China Food and Drug Administration. 27 September 2015. Archived from the original on 1 October 2015. Retrieved 1 October 2015.
  18. ↑ "Loi du 19 février 1973 concernant la vente de substances médicamenteuses et la lutte contre la toxicomanie" [Law of February 19, 1973 concerning the sale of medicinal substances and the fight against drug addiction.]. Journal officiel du Grand-Duché de Luxembourg (in French).
  19. ↑ "'NBOMe' and 'Benzofury' banned". UK Home Office. 2013-06-04. Retrieved 10 April 2014.
  20. ↑ UK Home Office (2014-03-05). "The Misuse of Drugs Act 1971 (Ketamine etc.) (Amendment) Order 2014". UK Government. Retrieved 2014-03-11.
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