Hexahydrocannabinol (HHC) is a hydrogenated derivative of tetrahydrocannabinol (THC). It is a naturally occurring phytocannabinoid that has rarely been identified as a trace component in Cannabis sativa,[1][2] but can also be produced synthetically by firstly acid cyclization of cannabidiol and then hydrogenation of tetrahydrocannabinol. The synthesis and bioactivity of HHC was first reported in 1940 by Roger Adams.[3]
HHC is a psychoactive substance with effects reportedly similar to that of THC.[4] HHC vaporizers have been openly sold at head shops and convenience stores since at least the early 2020s in North America and Europe.[5][6]
^Hanuš LO, Meyer SM, Muñoz E, Taglialatela-Scafati O, Appendino G (November 2016). "Phytocannabinoids: a unified critical inventory". Natural Product Reports. 33 (12): 1357–1392. doi:10.1039/c6np00074f. PMID 27722705. S2CID 34267092.
^Basas-Jaumandreu J, de Las Heras FX (March 2020). "GC-MS Metabolite Profile and Identification of Unusual Homologous Cannabinoids in High Potency Cannabis sativa". Planta Medica. 86 (5): 338–347. doi:10.1055/a-1110-1045. hdl:2117/188476. PMID 32053835. S2CID 211113472.
^Adams R, Pease DC, Clark JH (September 1940). "Structure of Cannabidiol. VI. Isomerization of Cannabidiol to Tetrahydrocannabinol, a Physiologically Active Product. Conversion of Cannabidiol to Cannabinol". Journal of the American Chemical Society. 62 (9): 2402–2405. doi:10.1021/ja01866a040.
^Docampo-Palacios M, Ramirez G, Tesfatsion T, Okhovat A, Pittiglio M, Ray K, et al. (3 August 2023). "Saturated Cannabinoids: Update on synthesis strategies and biological studies of these emerging cannabinoid analogs". ChemRxiv. doi:10.26434/chemrxiv-2023-3hk1c.
^European Monitoring Centre for Drugs and Drug Addiction. (2023). Technical Report: Hexahydrocannabinol (HHC) and related substances. European Monitoring Centre for Drugs and Drug Addiction. doi:10.2810/852912.
^Ujváry I (2024). "Hexahydrocannabinol and closely related semi-synthetic cannabinoids: A comprehensive review". Drug Testing and Analysis. 16 (2): 127–161. doi:10.1002/dta.3519. PMID 37269160. S2CID 259046522.
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