Systematic (IUPAC) name


8a-decahydroisoquinoline-3-carboxylic acid
Clinical data
Legal status
CAS number  YesY
ATC code ?
Chemical data
Formula C11H20NO5P 
Mol. mass 277.11 g/mol

LY-235,959 is a competitive antagonist at the NMDA receptor.[1] It has analgesic and neuroprotective effects and causes hypothermia in animal models,[2] as well as reducing the development of tolerance to morphine and altering the reinforcing effects of cocaine.[3][4][5][6][7]


  1. ^ Allen, R. M.; Dykstra, L. A. (2001). "N-methyl-D-aspartate receptor antagonists potentiate the antinociceptive effects of morphine in squirrel monkeys". The Journal of pharmacology and experimental therapeutics 298 (1): 288–297.  
  2. ^ Rawls, S. M.; Cowan, A.; Tallarida, R. J.; Geller, E. B.; Adler, M. W. (2002). "N-Methyl-D-aspartate Antagonists and WIN 55212-2 \4,5-Dihydro-2-methyl-4(4-morpholinylmethyl)-1-(1-naphthalenyl-carbonyl)-6H-pyrrolo\3,2,1-i,j]quinolin-6-one], a Cannabinoid Agonist, Interact to Produce Synergistic Hypothermia". Journal of Pharmacology and Experimental Therapeutics 303 (1): 395–402.  
  3. ^ Allen, R. M.; Carelli, R. M.; Dykstra, L. A.; Suchey, T. L.; Everett, C. V. (2005). "Effects of the Competitive N-Methyl-D-aspartate Receptor Antagonist, LY235959 \(-)-6-Phosphonomethyl-deca-hydroisoquinoline-3-carboxylic Acid], on Responding for Cocaine under Both Fixed and Progressive Ratio Schedules of Reinforcement". Journal of Pharmacology and Experimental Therapeutics 315 (1): 449–457.  
  4. ^ Allen, R. M.; Dykstra, L. A.; Carelli, R. M. (2007). "Continuous exposure to the competitive N-methyl-d-aspartate receptor antagonist, LY235959, facilitates escalation of cocaine consumption in Sprague–Dawley rats". Psychopharmacology 191 (2): 341–351.  
  5. ^ Fischer, B. D.; Ward, S. J.; Henry, F. E.; Dykstra, L. A. (2010). "Attenuation of morphine antinociceptive tolerance by a CB1 receptor agonist and an NMDA receptor antagonist: Interactive effects". Neuropharmacology 58 (2): 544–550.  
  6. ^ Dykstra, L. A.; Fischer, B. D.; Balter, R. E.; Henry, F. E.; Schmidt, K. T.; Miller, L. L. (2011). "Opioid antinociception, tolerance and dependence". Behavioural Pharmacology 22 (5 and 6): 540–547.  
  7. ^ Bicca, M. A.; Figueiredo, C. P.; Piermartiri, T. C.; Meotti, F. C.; Bouzon, Z. L.; Tasca, C. I.; Medeiros, R.; Calixto, J. B. (2011). "The selective and competitive N-methyl-D-aspartate receptor antagonist, (−)-6-phosphonomethyl-deca-hydroisoquinoline-3-carboxylic acid, prevents synaptic toxicity induced by amyloid-β in mice". Neuroscience 192: 631–641.