|Systematic (IUPAC) name|
(6aR,10aR)- 9-(Hydroxymethyl)- 6,6-dimethyl- 3-(2-methyloctan-2-yl)- 6a,7,10,10a-tetrahydrobenzo [c]chromen- 1-ol
|Synonyms||1,1-Dimethylheptyl- 11-hydroxy- tetrahydrocannabinol|
|Molar mass||386.567 g/mol[[Script error: No such module "String".]]|
HU-210 is a synthetic cannabinoid that was first synthesized in 1988 from (1R,5S)-Myrtenol by the group led by Professor Raphael Mechoulam at the Hebrew University. HU-210 is 100 to 800 times more potent than natural THC from cannabis and has an extended duration of action. HU-210 is the (–)-1,1-dimethylheptyl analog of 11-hydroxy- Δ8- tetrahydrocannabinol, in some references it is called 1,1-dimethylheptyl- 11-hydroxytetrahydrocannabinol. The abbreviation HU stands for Hebrew University.
The (+) enantiomer of HU-210 has almost all of the cannabinoid activity, with the (-) enantiomer HU-211 being inactive as a cannabinoid but instead acts as an NMDA antagonist having neuroprotective effects.
Per a 2005 article in the Journal of Clinical Investigation, HU-210 promotes proliferation, but not differentiation, of cultured embryonic hippocampal NS/PCs likely via a sequential activation of CB1 receptors, G(i/o) proteins, and ERK signaling. It was also indicated by this increased neural growth to entail antianxiety and antidepressant effects.
HU-210, alongside other synthetic cannabinoids like WIN 55,212-2 and JWH-133, is implicated in preventing the inflammation caused by Amyloid beta proteins involved in Alzheimer's Disease, in addition to preventing cognitive impairment and loss of neuronal markers. This anti-inflammatory action is induced through the activation of cannabinoid receptors which prevents microglial activation that elicits the inflammation. Additionally, cannabinoids completely abolish neurotoxicity related to microglia activation in rat models.
HU-210 is a potent analgesic with many of the same effects as natural THC.
According to the U.S. Customs and Border Protection, HU-210 was discovered in Spice Gold products seized at the US border in January 2009. Over 100 pounds of Spice products were seized based on this finding,. HU-210 was also detected in three Spice products in the UK, as reported in June 2009..
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- Mechoulam, R., Lander, N., Breuer, A., Zahalka, J. Synthesis of the Individual, Pharmacologically Distinct, Enantiomers of a Tetrahydrocannabinol Derivative. Tetrahedron: Asymmetry. 1990. Vol 1, No 5. pp 315-318.
- Mechoulam, R; Feigenbaum, JJ; Lander, N; Segal, M; Järbe, TU; Hiltunen, AJ; Consroe, P (1988). "Enantiomeric cannabinoids: stereospecificity of psychotropic activity". Experientia. 44 (9): 762–4. doi:10.1007/BF01959156. PMID 3416993.
- Little PJ, Compton DR, Mechoulam R, Martin BR. Stereochemical effects of 11-OH-Δ8-THC-dimethylheptyl in mice and dogs. Pharmacology, Biochemistry, and Behavior. 1989 Mar;32(3):661-666.
- Järbe, TU; Hiltunen, AJ; Mechoulam, R (1989). "Stereospecificity of the discriminative stimulus functions of the dimethylheptyl homologs of 11-hydroxy-delta 8-tetrahydrocannabinol in rats and pigeons". The Journal of pharmacology and experimental therapeutics. 250 (3): 1000–5. PMID 2550611.
- Devane, WA; Breuer, A; Sheskin, T; Järbe, TU; Eisen, MS; Mechoulam, R (1992). "A novel probe for the cannabinoid receptor". Journal of medicinal chemistry. 35 (11): 2065–9. doi:10.1021/jm00089a018. PMID 1317925.
- Howlett, A.; Champion, T.; Wilken, G.; Mechoulam, R. (1990). "Stereochemical effects of 11-OH-Δ8-tetrahydrocannabinol-dimethylheptyl to inhibit adenylate cyclase and bind to the cannabinoid receptor". Neuropharmacology. 29 (2): 161. doi:10.1016/0028-3908(90)90056-W. PMID 2158635.
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- Jiang, W.; Zhang, Y.; Xiao, L.; Van Cleemput, J.; Ji, S.; Bai, G.; Zhang, X. (2005). "Cannabinoids promote embryonic and adult hippocampus neurogenesis and produce anxiolytic- and antidepressant-like effects". The Journal of clinical investigation. 115 (11): 3104–3116. doi:10.1172/JCI25509. PMC . PMID 16224541.
- Ramírez, B.; Blázquez, C.; Gómez Del Pulgar, T.; Guzmán, M.; De Ceballos, M. (2005). "Prevention of Alzheimer's disease pathology by cannabinoids: neuroprotection mediated by blockade of microglial activation". The Journal of neuroscience : the official journal of the Society for Neuroscience. 25 (8): 1904–1913. doi:10.1523/JNEUROSCI.4540-04.2005. PMID 15728830. More than one of
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- "Lab Results Confirm CBP in Ohio Discover Synthetic Narcotics in Incense Packets - CBP.gov".
- "EMCDDA Action on new drugs briefing paper: Understanding the 'Spice' phenomenon" (PDF).