Brivaracetam
Title: Brivaracetam
CAS Registry Number: 357336-20-0
CAS Name: (aS,4R)-a-Ethyl-2-oxo-4-propyl-1-pyrrolidineacetamide
Additional Names: (2S)-2-[(4R)-2-oxo-4-propylpyrrolidinyl]butanamide
Manufacturers' Codes: UCB-34714
Molecular Formula: C11H20N2O2
Molecular Weight: 212.29
Percent Composition: C 62.23%, H 9.50%, N 13.20%, O 15.07%
Literature References: Orally active synaptic vesicle protein 2 (SV2A) ligand; analog of levetiracetam, q.v. Prepn: E. Differding et al., WO 0162726; eidem, US 6911461 (2001, 2005 both to UCB); B. M. Kenda et al., J. Med. Chem. 47, 530 (2004). Review of pharmacology and clinical experience: B. Malawska, K. Kulig, Curr. Opin. Invest. Drugs 6, 740-746 (2005).
Properties: Colorless, monoclinic crystals from isopropyl ether, mp 76.38°. [a]D25 -60.57° (c = 1 in methanol). Crystal density: 1.093. Log P (octanol/water, pH 7.4 PBS): 1.00. Soly in water: 681 mg/ml.
Melting point: mp 76.38°
Optical Rotation: [a]D25 -60.57° (c = 1 in methanol)
Log P: Log P (octanol/water, pH 7.4 PBS): 1.00
Therap-Cat: Anticonvulsant; in treatment of progressive myoclonic epilepsies.
Keywords: Anticonvulsant.

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