Pazinaclone

Pazinaclone
Clinical data
ATC code	none;
Identifiers
	IUPAC name 2-(7-chloro-1,8-naphthyridin-2-yl)-3-[2-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)-2-oxoethyl]-3H-isoindol-1-one;
CAS Number	103255-66-9 ;
PubChem CID	59743;
ChemSpider	53893 ;
UNII	MHK03047IJ;
KEGG	D05378 ;
ChEMBL	ChEMBL2107504 ;
Chemical and physical data
Formula	C25H23ClN4O4
Molar mass	478.93 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES Clc1nc2nc(ccc2cc1)N4C(=O)c3ccccc3C4CC(=O)N6CCC5(OCCO5)CC6;
	InChI InChI=1S/C25H23ClN4O4/c26-20-7-5-16-6-8-21(28-23(16)27-20)30-19(17-3-1-2-4-18(17)24(30)32)15-22(31)29-11-9-25(10-12-29)33-13-14-34-25/h1-8,19H,9-15H2 ; Key:DPGKFACWOCLTCA-UHFFFAOYSA-N ;
	(verify)

Pazinaclone (DN-2327) is a sedative and anxiolytic drug in the cyclopyrrolone family of drugs. Some other cyclopyrrolone drugs include zopiclone and eszopiclone.

Pazinaclone has a very similar pharmacological profile to the benzodiazepines including sedative and anxiolytic properties, but with less amnestic effects, and at low doses it is a relatively selective anxiolytic, with sedative effects only appearing at higher doses.

Pazinaclone produces its sedative and anxiolytic effects by acting as a partial agonist at GABA_A benzodiazepine receptors, although pazinaclone is more subtype-selective than most benzodiazepines.

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