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MDMB-FUBINACA
Legal status
Legal status	CA: Schedule II; DE: NpSG (Industrial and scientific use only); UK: Class B; US: Schedule I;
Identifiers
	IUPAC name Methyl (2S)-2-{[1-(4-fluorobenzyl)indazole-3-carbonyl]amino}-3,3-dimethylbutanoate;
CAS Number	1971007-93-8;
PubChem CID	119025665;
ChemSpider	32741674;
UNII	544DR70TN4;
CompTox Dashboard (EPA)	DTXSID301355877 DTXSID501010003, DTXSID301355877 ;
Chemical and physical data
Formula	C22H24FN3O3
Molar mass	397.450 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES O=C(N[C@H](C(OC)=O)C(C)(C)C)C1=NN(CC2=CC=C(F)C=C2)C3=C1C=CC=C3;
	InChI InChI=1S/C22H24FN3O3/c1-22(2,3)19(21(28)29-4)24-20(27)18-16-7-5-6-8-17(16)26(25-18)13-14-9-11-15(23)12-10-14/h5-12,19H,13H2,1-4H3,(H,24,27)/t19-/m1/s1; Key:RFCDVEHNYDVCMU-LJQANCHMSA-N;

MDMB-FUBINACA (also known as MDMB(N)-Bz-F and FUB-MDMB) is an indazole-based synthetic cannabinoid that is a potent agonist for the cannabinoid receptors, with K_i values of 1.14 nM at CB₁ and 0.1228 nM at CB₂ and EC₅₀ values of 0.2668 nM at CB₁ and 0.1411 nM at CB₂,^[1] and has been sold online as a designer drug.^[2]^[3] Its benzyl analogue (instead of 4-fluorobenzyl) has been reported to be a potent agonist for the CB₁ receptor (K_i = 0.14 nM, EC₅₀ = 2.42 nM).^[4]^[5] The structure of MDMB-FUBINACA contains the amino acid, 3-methylvaline^[6] or tert-leucine methyl ester.

Side effects

There have been a large number of reported cases of deaths and hospitalizations in relation to this synthetic cannabinoid, mainly in Russia and Belarus. MDMB-FUBINACA was first reported in 2014 and quickly gained a reputation as the most deadly synthetic cannabinoid drug sold by 2015.^[7] Up to 700 hospitalisations and 25 deaths were initially linked to MDMB-FUBINACA in media and government reports, and subsequent testing confirmed that at least 1000 hospitalisations and 40 deaths had occurred as a consequence of intoxication by MDMB-FUBINACA as of March 2015.^[8]^[9]

Legal status

In the United States, MDMB-FUBINACA is a Schedule I controlled substance.^[10]

As of October 2015, MDMB-FUBINACA is a controlled substance in Belarus, Russia,^[11] and China.^[12]

In July 2021 it was included in Table II-A of the list of prohibited drugs of Portugal.

References

^ Gamage TF, Farquhar CE, Lefever TW, Marusich JA, Kevin RC, McGregor IS, et al. (May 2018). "Molecular and Behavioral Pharmacological Characterization of Abused Synthetic Cannabinoids MMB- and MDMB-FUBINACA, MN-18, NNEI, CUMYL-PICA, and 5-Fluoro-CUMYL-PICA". The Journal of Pharmacology and Experimental Therapeutics. 365 (2): 437–446. doi:10.1124/jpet.117.246983. PMC 5932312. PMID 29549157.
^ "MDMB-FUBINACA". Cayman Chemical. Retrieved 13 July 2015.
^ Lee JH, Park HN, Leem TS, Jeon JH, Cho S, Lee J, Baek SY (2016). "Identification of new synthetic cannabinoid analogue APINAC (adamantan-1-yl 1-pentyl-1H-indazole-3-carboxylate) with other synthetic cannabinoid MDMB(N)-Bz-F in illegal products". Forensic Toxicology. 35: 45–55. doi:10.1007/s11419-016-0331-z. ISSN 1860-8973. S2CID 20136837.
^ WO 2009106982, Buchler IP et al, "Indazole Derivatives"
^ Banister SD, Longworth M, Kevin R, Sachdev S, Santiago M, Stuart J, et al. (September 2016). "Pharmacology of Valinate and tert-Leucinate Synthetic Cannabinoids 5F-AMBICA, 5F-AMB, 5F-ADB, AMB-FUBINACA, MDMB-FUBINACA, MDMB-CHMICA, and Their Analogues". ACS Chemical Neuroscience. 7 (9): 1241–54. doi:10.1021/acschemneuro.6b00137. PMID 27421060.
^ 3-methylvaline
^ Shevyrin V, Melkozerov V, Nevero A, Eltsov O, Shafran Y, Morzherin Y, Lebedev AT (August 2015). "Identification and analytical characteristics of synthetic cannabinoids with an indazole-3-carboxamide structure bearing a N-1-methoxycarbonylalkyl group". Analytical and Bioanalytical Chemistry. 407 (21): 6301–15. doi:10.1007/s00216-015-8612-7. PMID 25893797. S2CID 31838655.
^ "Выступление председателя ГАК, директора ФСКН России В.П. Иванова на заседании ГАК 6 октября 2014 г." (in Russian). Federal Drug Control Service of the Russian Federation. 6 October 2014. Archived from the original on 9 July 2015. Retrieved 24 June 2015.
^ I. Bulygina (21 October 2014). "Clinical presentations of intoxication by new psychoactive compound MDMB(N)-Bz-F. Thesis of The II Scientific and Practical Seminar 'Methodical, Organizational and Law Problems of Chemical and Toxicological Laboratories of Narcological Services', Moscow" (in Russian). Retrieved 13 July 2015.
^ "Schedules of Controlled Substances: Temporary Placement of Six Synthetic Cannabinoids (5F-ADB, 5F-AMB, 5F-APINACA, ADB-FUBINACA, MDMB-CHMICA and MDMB-FUBINACA) Into Schedule I". Drug Enforcement Administration.
^ "Очередная жертва спайса" (in Russian). Federal Drug Control Service of the Russian Federation. 17 March 2015. Archived from the original on 14 July 2015. Retrieved 13 July 2015.
^ "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Retrieved 1 October 2015.

[1] Gamage TF, Farquhar CE, Lefever TW, Marusich JA, Kevin RC, McGregor IS, et al. (May 2018). "Molecular and Behavioral Pharmacological Characterization of Abused Synthetic Cannabinoids MMB- and MDMB-FUBINACA, MN-18, NNEI, CUMYL-PICA, and 5-Fluoro-CUMYL-PICA". The Journal of Pharmacology and Experimental Therapeutics. 365 (2): 437–446. doi:10.1124/jpet.117.246983. PMC 5932312. PMID 29549157.

[2] "MDMB-FUBINACA". Cayman Chemical. Retrieved 13 July 2015.

[3] Lee JH, Park HN, Leem TS, Jeon JH, Cho S, Lee J, Baek SY (2016). "Identification of new synthetic cannabinoid analogue APINAC (adamantan-1-yl 1-pentyl-1H-indazole-3-carboxylate) with other synthetic cannabinoid MDMB(N)-Bz-F in illegal products". Forensic Toxicology. 35: 45–55. doi:10.1007/s11419-016-0331-z. ISSN 1860-8973. S2CID 20136837.

[4] WO 2009106982, Buchler IP et al, "Indazole Derivatives"

[5] Banister SD, Longworth M, Kevin R, Sachdev S, Santiago M, Stuart J, et al. (September 2016). "Pharmacology of Valinate and tert-Leucinate Synthetic Cannabinoids 5F-AMBICA, 5F-AMB, 5F-ADB, AMB-FUBINACA, MDMB-FUBINACA, MDMB-CHMICA, and Their Analogues". ACS Chemical Neuroscience. 7 (9): 1241–54. doi:10.1021/acschemneuro.6b00137. PMID 27421060.

[6] 3-methylvaline

[7] Shevyrin V, Melkozerov V, Nevero A, Eltsov O, Shafran Y, Morzherin Y, Lebedev AT (August 2015). "Identification and analytical characteristics of synthetic cannabinoids with an indazole-3-carboxamide structure bearing a N-1-methoxycarbonylalkyl group". Analytical and Bioanalytical Chemistry. 407 (21): 6301–15. doi:10.1007/s00216-015-8612-7. PMID 25893797. S2CID 31838655.

[8] "Выступление председателя ГАК, директора ФСКН России В.П. Иванова на заседании ГАК 6 октября 2014 г." (in Russian). Federal Drug Control Service of the Russian Federation. 6 October 2014. Archived from the original on 9 July 2015. Retrieved 24 June 2015.

[9] I. Bulygina (21 October 2014). "Clinical presentations of intoxication by new psychoactive compound MDMB(N)-Bz-F. Thesis of The II Scientific and Practical Seminar 'Methodical, Organizational and Law Problems of Chemical and Toxicological Laboratories of Narcological Services', Moscow" (in Russian). Retrieved 13 July 2015.

[10] "Schedules of Controlled Substances: Temporary Placement of Six Synthetic Cannabinoids (5F-ADB, 5F-AMB, 5F-APINACA, ADB-FUBINACA, MDMB-CHMICA and MDMB-FUBINACA) Into Schedule I". Drug Enforcement Administration.

[11] "Очередная жертва спайса" (in Russian). Federal Drug Control Service of the Russian Federation. 17 March 2015. Archived from the original on 14 July 2015. Retrieved 13 July 2015.

[12] "关于印发《非药用类麻醉药品和精神药品列管办法》的通知" (in Chinese). China Food and Drug Administration. 27 September 2015. Retrieved 1 October 2015.

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PROFILPELAJAR.COM

MDMB-FUBINACA

Side effects

Legal status

See also

References

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