KM-233

KM-233
Clinical data
ATC code
  • none
Identifiers
IUPAC name
  • (−)-(6aR,7,10,10aR)-Tetrahydro-6,6,9-trimethyl-3-(1-methyl-1-phenylethyl)-6H-dibenzo[b,d]pyran-1-ol
CAS Number
ChemSpider
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC25H30O2
Molar mass362.513 g·mol−1
3D model (JSmol)
SMILES
  • CC1=CC[C@@H]2[C@@H](C1)C3=C(C=C(C=C3OC2(C)C)C(C)(C)C4=CC=CC=C4)O
InChI
  • InChI=1S/C25H30O2/c1-16-11-12-20-19(13-16)23-21(26)14-18(15-22(23)27-25(20,4)5)24(2,3)17-9-7-6-8-10-17/h6-11,14-15,19-20,26H,12-13H2,1-5H3/t19-,20-/m1/s1
  • Key:GZYXCXRHVALIJD-WOJBJXKFSA-N

KM-233 is a synthetic cannabinoid drug which is a structural analog of Δ8-tetrahydrocannabinol (THC), the less active but more stable isomer of the active component of Cannabis. KM-233 differs from Δ8-THC by the pentyl side chain being replaced by a 1,1-dimethylbenzyl group. It has high binding affinity in vitro for both the CB1 and CB2 receptors, with a CB2 affinity of 0.91 nM and 13-fold selectivity over the CB1 receptor.[1] In animal studies, it has been found to be a potential treatment for glioma, a form of brain tumor.[2] Many related analogues are known where the 1,1-dimethylbenzyl group is substituted or replaced by other groups, with a fairly well established structure-activity relationship.[3][4][5][6][7]

See also

References

  1. ↑ Krishnamurthy M, Ferreira AM, Moore BM (October 2003). "Synthesis and testing of novel phenyl substituted side-chain analogues of classical cannabinoids". Bioorganic & Medicinal Chemistry Letters. 13 (20): 3487–90. doi:10.1016/s0960-894x(03)00729-7. PMID 14505654.
  2. ↑ Duntsch C, Divi MK, Jones T, Zhou Q, Krishnamurthy M, Boehm P, et al. (April 2006). "Safety and efficacy of a novel cannabinoid chemotherapeutic, KM-233, for the treatment of high-grade glioma". Journal of Neuro-Oncology. 77 (2): 143–52. doi:10.1007/s11060-005-9031-y. PMID 16314952. S2CID 27299940.
  3. ↑ Nadipuram AK, Krishnamurthy M, Ferreira AM, Li W, Moore BM (July 2003). "Synthesis and testing of novel classical cannabinoids: exploring the side chain ligand binding pocket of the CB1 and CB2 receptors". Bioorganic & Medicinal Chemistry. 11 (14): 3121–32. doi:10.1016/s0968-0896(03)00238-4. PMID 12818675.
  4. ↑ Durdagi S, Kapou A, Kourouli T, Andreou T, Nikas SP, Nahmias VR, et al. (June 2007). "The application of 3D-QSAR studies for novel cannabinoid ligands substituted at the C1' position of the alkyl side chain on the structural requirements for binding to cannabinoid receptors CB1 and CB2". Journal of Medicinal Chemistry. 50 (12): 2875–85. doi:10.1021/jm0610705. PMID 17521177.
  5. ↑ Krishnamurthy M, Gurley S, Moore BM (July 2008). "Exploring the substituent effects on a novel series of C1'-dimethyl-aryl Delta8-tetrahydrocannabinol analogs". Bioorganic & Medicinal Chemistry. 16 (13): 6489–500. doi:10.1016/j.bmc.2008.05.034. PMID 18524604.
  6. ↑ Ferreira AM, Krishnamurthy M, Moore BM, Finkelstein D, Bashford D (March 2009). "Quantitative structure-activity relationship (QSAR) for a series of novel cannabinoid derivatives using descriptors derived from semi-empirical quantum-chemical calculations". Bioorganic & Medicinal Chemistry. 17 (6): 2598–606. doi:10.1016/j.bmc.2008.11.059. PMID 19250829.
  7. ↑ Brogi S, Corelli F, Di Marzo V, Ligresti A, Mugnaini C, Pasquini S, Tafi A (February 2011). "Three-dimensional quantitative structure-selectivity relationships analysis guided rational design of a highly selective ligand for the cannabinoid receptor 2". European Journal of Medicinal Chemistry. 46 (2): 547–55. doi:10.1016/j.ejmech.2010.11.034. PMID 21183257.
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