N-(S)-Fenchyl-1-(2-morpholinoethyl)-7-methoxyindole-3-carboxamide

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N-(S)-Fenchyl-1-(2-morpholinoethyl)-7-methoxyindole-3-carboxamide
UR-12 structure.png
Systematic (IUPAC) name
7-methoxy-1-(2-morpholinoethyl)-N-((1S,2S,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-yl)-1H-indole-3-carboxamide
Clinical data
Legal status
Identifiers
CAS Number 501926-82-5 YesY
501927-29-3 (2-methyl derivative)
PubChem CID: 44307202
ChemSpider 26286811 YesY
UNII 8WXU5YRE25 YesY
Chemical data
Formula C26H37N3O3
Molecular mass 439.59 g/mol
  • COC1=C(N(CCN2CCOCC2)C=C3C(N[C@H]4[C@@]5(C)CC[C@H](C5)C4(C)C)=O)C3=CC=C1
  • InChI=1S/C26H37N3O3/c1-25(2)18-8-9-26(3,16-18)24(25)27-23(30)20-17-29(11-10-28-12-14-32-15-13-28)22-19(20)6-5-7-21(22)31-4/h5-7,17-18,24H,8-16H2,1-4H3,(H,27,30)/t18-,24-,26+/m1/s1 YesY
  • Key:VQGDMQICNRCQEH-UFKXBGGNSA-N YesY
  (verify)

7-methoxy-1-(2-morpholinoethyl)-N-((1S,4R)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-yl)-1H-indole-3-carboxamide (N-[(S)-fenchyl]-1-[2-(morpholin-4-yl)ethyl]-7-methoxyindole-3-carboxamide, UR-12, MN-25) is a drug invented by Bristol-Myers Squibb,[1] that acts as a reasonably selective agonist of peripheral cannabinoid receptors.[2] It has moderate affinity for CB2 receptors with a Ki of 11nM, but 22x lower affinity for the psychoactive CB1 receptors with a Ki of 245nM. The indole 2-methyl derivative has the ratio of affinities reversed however, with a Ki of 8nM at CB1 and 29nM at CB2,[3][4] which contrasts with the usual trend of 2-methyl derivatives having increased selectivity for CB2 (cf. JWH-018 vs JWH-007, JWH-081 vs JWH-098).[5][6]

2-methyl derivative

Chemically, it is closely related to another indole-3-carboxamide synthetic cannabinoid, Org 28611, but with a different cycloalkyl substitution on the carboxamide, and the cyclohexylmethyl group replaced by morpholinylethyl, as in JWH-200 or A-796,260. Early compounds such as these have subsequently led to the development of a large number of related indole-3-carboxamide cannabinoid ligands.[7][8][9][10]

See also

References

  1. ↑ CANNABINOID RECEPTOR MODULATORS, THEIR PROCESSES OF PREPARATION, AND USE OF CANNABINOID RECEPTOR MODULATORS IN TREATING RESPIRATORY AND NON-RESPIRATORY DISEASES. WO 2001/58869
  2. ↑ Rulin Zhao, et al. Improved procedure for the preparation of 7-methoxy-2-methyl-1-(2-morpholinoethyl)-1H-indole-3-carboxylic acid, key intermediate in the synthesis of novel 3-amidoindole and indolopyridone cannabinoid ligands. ARKIVOC 2010 (vi):89-95.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.

Further reading

1. John Hynes., et al. C3 AMIDO-INDOLE CANNABINOID RECEPTOR MODULATORS. Bioorganic and Medical Chemistry Letters. Volume 12 issue 17, 2 September 2002 pages 2399-2402

2. Frost, J. M., et al. (2010). "Indol -3-ylcycloalkyl Ketones: Effects of N1 Substituted Indole Side Chain Variations on CB2 Cannabinoid Receptor Activity". Journal of Medicinal Chemistry 53 (1): 295. doi :10.1021/ jm901214q. PMID 19921781

3. Chin CL, et al. (January 2008). "Differential effects of cannabinoid receptor agonists on regional brain activity using pharmacological MRI". British Journal of Pharmacology 153 (2): 367–79. doi :10.1038/ sj.bjp .0707506. PMC 2219521. PMID 17965748

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