6-MBPB
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| Other names | 6-MABB; 6-(2-Methylaminobutyl)benzofuran |
| Drug class | Serotonin–norepinephrine–dopamine releasing agent; Entactogen |
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| ChEMBL | |
| Chemical and physical data | |
| Formula | C13H17NO |
| Molar mass | 203.285 g·mol−1 |
| 3D model (JSmol) | |
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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.[1][2][3][4][5] It is a positional isomer of 5-MBPB (5-MABB).[1][2][3][4][5]
The drug appears to act as a serotonin–norepinephrine–dopamine releasing agent (SNDRA).[1][2] The EC50 values for induction of monoamine release in rat brain synaptosomes have been reported for the individual enantiomers of 6-MBPB.[2] In the case of (S)-6-MBPB, they were 54 nM for serotonin, 77 nM for norepinephrine, and 41 nM for dopamine, whereas for (R)-6-MBPB, they were 172 nM for serotonin, 227 nM for norepinephrine, and inactive for dopamine.[2] Hence, (S)-6-MBPB is an SNDRA, whereas (R)-MBPB is a serotonin–norepinephrine releasing agent (SNRA).[2] The enantiomers showed a mixed profile of acting as full versus partial releasers.[2] 6-MBPB partially substituted for MDMA in animal drug discrimination tests at lower doses and fully substituted for MDMA at the highest dose, suggesting that it has entactogen-like effects.[1][2][4]
Along with 5-MBPB, 6-MBPB was patented by Tactogen in 2021.[5] It was first described in the scientific literature by 2022.[3][4] 6-MBPB, along with other drugs like 5-MBPB, is being investigated as a novel MDMA-like drug for potential therapeutic purposes in medicine.[1][2]
References
[edit]- ^ a b c d e Fantegrossi WE, Gannon BM (September 2024). "A "Furious" Effort to Develop Novel 3,4-Methylenedioxymethamphetamine-Like Therapeutics". J Pharmacol Exp Ther. 391 (1): 18–21. doi:10.1124/jpet.124.002183. PMID 39293859.
- ^ a b c d e f g h i Johnson CB, Walther D, Baggott MJ, Baker LE, Baumann MH (September 2024). "Novel Benzofuran Derivatives Induce Monoamine Release and Substitute for the Discriminative Stimulus Effects of 3,4-Methylenedioxymethamphetamine". J Pharmacol Exp Ther. 391 (1): 22–29. doi:10.1124/jpet.123.001837. PMC 11413916. PMID 38272669.
- ^ a b c Johnson, Candace (10 November 2022). "Benzofuran Derivatives Substitute for the Discriminative Stimulus Effects of 3,4-Methylenedioxymethamphetamine (MDMA) in Male Sprague-Dawley Rats". ScholarWorks at WMU. Retrieved 21 January 2025.
- ^ a b c d Johnson CB, Walther D, Matthew BJ, Baumann MH, Baker LE (February 2022). Poster 28: Benzofuran derivatives substitute for the discriminative stimulus effects of MDMA in male Sprague-Dawley rats (PDF). 14th Annual Behavior, Biology, and Chemistry [(BBC]): Translational Research in Addiction, San Antonio Texas, Embassy Landmark, 26-27 February 2022. p. 20.
Stimulus substitution tests were conducted with (RS) 5-MAPB, (R)-5-MAPB, (S)-5-MAPB, (R)-5-MBPB, (S)-5-MBPB, (R)-6-MBPB, and (S)-6-MBPB. All substances produced full substitution for MDMA. In separate experiments, serotonin release and reuptake assays with rat synaptosomes indicated these substances are substrate releasers of serotonin with nanomolar potency; slightly higher potency was observed with the S-enantiomers. The benzofuran scaffold may allow development of substances that retain MDMA-like therapeutic effects while reducing toxicities associated with MDMA.
- ^ a b c "Advantageous benzofuran compositions for mental disorders or enhancement". Google Patents. 8 June 2021. Retrieved 21 January 2025.
External links
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