1-Piperazinecarboxylicacid, 4-methyl-,(5S)-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo[3,4-b]pyrazin-5-ylester (138729-47-2)

The Eszopiclone , with cas registry number of 138729-47-2, belongs to the classes of Sedative, Hypnotic; Intermediates & Fine Chemicals; Pharmaceuticals; GABA/Glycine receptor. It has other names such as 1-Piperazinecarboxylic acid, 4-methyl-, (5S)-6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-oxo-5H-pyrrolo(3,4-b)pyrazin-5-yl ester ; Estorra ; Eszopiclone ; HSDB 7472 ; Lunesta ; SEP-190 ; UNII-UZX80K71OE , and so on. The IUPAC name is [(7S)-6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate . And the systematic name is called (5S)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate . Besides these names, it has a brand-name which is Lunesta . The superlist names include DEA No. 2784 ; Lunesta ; Zopiclone .

Physical properties of Eszopiclone are: (1) ACD/LogP: -0.33 ; (2) # of Rule of 5 Violations: 0 ; (3) #H bond acceptors: 9 ; (4) #H bond donors: 0 ; (5) #Freely Rotating Bonds: 3 ; (6) Index of Refraction: 1.688 ; (7) Molar Refractivity: 96.23 cm³ ; (8) Molar Volume: 252.3 cm³ ; (9) Surface Tension: 86.1 dyne/cm ; (10) Enthalpy of Vaporization: 86.85 kJ/mol ; (11) Vapour Pressure: 1.78E-13 mmHg at 25°C.

Uses of Eszopiclone : This product is a short-acting sedative hypnotic. Its action is via the benzodiazepine receptor-GABA complex the same as benzodiazepines , zaleplon , and zolpidem . The recommended dose is 2 mg-3 mg for adult patients (aged 18–64 years) and 2 mg for older
adult patients aged 65 years or older.

When you are using this chemical, please be cautious about it as the following:
As a chemical, Eszopiclone is harmful by inhalation, in contact with skin and if swallowed and irritating to eyes, respiratory system and skin. Wear suitable protective clothing before use it in laboratory or factory. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES:O=C(O[C@H]3c1nccnc1C(=O)N3c2ncc(Cl)cc2)N4CCN(C)CC4;
(2)InChI:InChI=1/C17H17ClN6O3/c1-22-6-8-23(9-7-22)17(26)27-16-14-13(19-4-5-20-14)15(25)24(16)12-3-2-11(18)10-21-12/h2-5,10,16H,6-9H2,1H3/t16-/m0/s1;
(3)InChIKey:GBBSUAFBMRNDJC-INIZCTEOBX