130477-52-0

Name	L-655,708
Synonyms	MSD L-655,708 Ethyl (S)-11,12,13,13a-Tetrahydro-7-methoxy-9-oxo-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate ETHYL (S)-11,12,13,13A-TETRAHYDRO-7-METHOXY-9-OXO-9H-IMIDAZO[1,5-A]PYRROLO[2,1-C][1,4]BENZODIAZEPINE-1-CARBOXYLATE Ethyl (S)-11,12,13,13a-Tetrahydro-7-methoxy-9-oxo-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate 11,12,13,13a-Tetrahydro-7-methoxy-9-oxo-9H-imidazo[1.5-a]pyrrolo[2.1-c][1.4]benzodiazepine-1-carboxylicacidethylester ethyl (13aS)-7-methoxy-9-oxo-11,12,13,13a-tetrahydro-9H-imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylate 11,12,13,13A-Tetrahydro-7-Methoxy-9-Oxo-9H-Imidazo[1,5-A]Pyrrolo[2,1-C][1,4]Benzodiazepine-1-Carboxylic Acid, Ethyl Ester 11,12,13,13A-TETRAHYDRO-7-METHOXY-9-OXO-9H-IMIDAZO[1,5-A]PYRROLO[2,1-C][1,4]BENZODIAZEPINE-1-CARBOXYLIC ACID, ETHYL ESTER 9H-Imidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylic acid, 11,12,13,13a-tetrahydro-7-methoxy-9-oxo-, ethyl ester, (13aS)- 9H-IMidazo[1,5-a]pyrrolo[2,1-c][1,4]benzodiazepine-1-carboxylic acid, 11,12,13,13a-tetrahydro-7-Methoxy-9-oxo-, ethyl ester, (13aS)-
CAS	130477-52-0
InChI	InChI=1/C18H19N3O4/c1-3-25-18(23)15-16-14-5-4-8-20(14)17(22)12-9-11(24-2)6-7-13(12)21(16)10-19-15/h6-7,9-10,14H,3-5,8H2,1-2H3/t14-/m0/s1

Molecular Formula	C18H19N3O4
Molar Mass	341.36
Density	1.42±0.1 g/cm3(Predicted)
Melting Point	175-176 °C
Boling Point	584.4±50.0 °C(Predicted)
Flash Point	307.2°C
Solubility	DMSO: 6mg/mL
Vapor Presure	1.21E-13mmHg at 25°C
Appearance	powder
pKa	1.49±0.20(Predicted)
Storage Condition	Desiccate at +4°C
Refractive Index	1.675
Physical and Chemical Properties	Solubility: DMSO: 6 mg/ml WGK Germany:3
In vitro study	L655708 is a potent, selective inverse agonist for the benzodiazepine site of GABAA receptors containing the α5 subunit (Ki = 0.45 nM). Displays 50-100-fold selectivity over GABAA receptors containing α1, α2, α3 orα6 subunits in combination with β3 and γ2. Enhances LTP in a mouse hippocampal slice model and increases spatial learning, without displaying proconvulsant activity.
In vivo study	L-655708 at 0.7 mg/kg, administered intraperitoneally, would result in 60-70% occupancy of α5 GABAA receptors with limited binding to α1, α2, and α3 subunit-containing GABAA receptors and no significant off-target behavioral effects, such as sedation and motor impairment.

WGK Germany

Last Update：2024-01-02 23:10:35

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CAS: 130477-52-0
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