Sibopirdine

Sibopirdine
Clinical data

ATC code	none
Legal status
Legal status	Unscheduled
Identifiers
IUPAC name 5,5-bis(4-pyridylmethyl)-5H-cyclopenta[2,1-b:3,4-b']dipyridine
CAS Number	139781-09-2^Y
PubChem (CID)	9929210
ChemSpider	169416^N
UNII	7IKM67CSEQ^N
KEGG	D05833^Y
Chemical and physical data
Formula	C₂₃H₁₈N₄
Molar mass	350.415 g/mol
3D model (Jmol)	Interactive image
SMILES c5cnccc5CC1(Cc3ccncc3)c2cccnc2-c4c1cccn4
InChI InChI=1S/C23H18N4/c1-3-19-21(26-9-1)22-20(4-2-10-27-22)23(19,15-17-5-11-24-12-6-17)16-18-7-13-25-14-8-18/h1-14H,15-16H2^N Key:FJYRSJDIZKTXKB-UHFFFAOYSA-N^N
^NY (what is this?) (verify)

Sibopirdine, also known as EXP921, is a nootropic drug.^[1]

Synthesis

Sibopirdine synthesis: DuPont Merck Pharmaceutical Company; U.S. Patent 5,272,269 (1993).

4,5-Diazafluoren-9-one was the starting material.

↑ Wong, YN; Quon, CY; Holm, KA; Burcham, DL; Frey, NL; Huang, SM; Lam, GN (February 1996). "Pharmacokinetics and metabolism of EXP921, a novel cognitive enhancer, in rats.". Drug metabolism and disposition: the biological fate of chemicals. 24 (2): 172–9. PMID 8742228.

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