CAS Number 158985-00-3 YesY
PubChem (CID) 5311200
ChemSpider 4470720 N
Chemical and physical data
Formula C18H19ClN4
Molar mass 326.822 g/mol
3D model (Jmol) Interactive image
 NYesY (what is this?)  (verify)

L-745,870 is a drug which acts as a dopamine receptor antagonist selective for the D4 subtype, and has antipsychotic effects in animal models, though it was not effective in human trials.[1][2][3]


  1. Bristow LJ, Kramer MS, Kulagowski J, Patel S, Ragan CI, Seabrook GR (June 1997). "Schizophrenia and L-745,870, a novel dopamine D4 receptor antagonist". Trends in Pharmacological Sciences. 18 (6): 186–8. doi:10.1016/s0165-6147(97)01066-3. PMID 9226994.
  2. Zhang K, Grady CJ, Tsapakis EM, Andersen SL, Tarazi FI, Baldessarini RJ (September 2004). "Regulation of working memory by dopamine D4 receptor in rats". Neuropsychopharmacology. 29 (9): 1648–55. doi:10.1038/sj.npp.1300491. PMID 15138447.
  3. Moustgaard A, Hau J, Lind NM (2008). "Effects of dopamine D4 receptor antagonist on spontaneous alternation in rats". Behavioral and Brain Functions. 4: 49. doi:10.1186/1744-9081-4-49. PMC 2577092Freely accessible. PMID 18945334.

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