GL-II-73

GL-II-73
Identifiers
	IUPAC name (4R)-8-ethynyl-6-(2-fluorophenyl)-N,N,4-trimethyl-4H-benzo[f]imidazo[1,5-a] [1,4]diazepine-3-carboxamide;
CAS Number	2133456-81-0;
PubChem CID	130439778;
ChemSpider	128443307;
ChEMBL	ChEMBL4537552;
Chemical and physical data
Formula	C23H19FN4O
Molar mass	386.430 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CN(C)C(=O)c4ncn2c4[C@@H](C)N=C(c1cc(C#C)ccc12)c3ccccc3F;
	InChI InChI=1S/C23H19FN4O/c1-5-15-10-11-19-17(12-15)20(16-8-6-7-9-18(16)24)26-14(2)22-21(23(29)27(3)4)25-13-28(19)22/h1,6-14H,2-4H3/t14-/m1/s1; Key:LNPOWXXHIUMIKI-CQSZACIVSA-N;

GL-II-73 (GL-ii-073) is a benzodiazepine derivative related in chemical structure to compounds such as midazolam and adinazolam. It is described as an α₅ preferring positive allosteric modulator of the benzodiazepine site of GABA_A receptors, with weaker activity at α₂ and α₃ and no significant affinity for the α₁ subtype. In animal tests it was found to produce effects consistent with antidepressant, anxiolytic and nootropic actions.^[1]^[2]^[3]^[4]^[5]^[6]^[7]

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