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左乙拉西坦
CAS号 102767-28-2
中文别名 (S)-alpha-乙基-2-氧合-1-乙酰胺吡咯烷
英文别名 (s)-2-(2-oxopyrrolidin-1-yl)butanamide; (S)-1-pyrrolidineacetamid; 2-(2-oxopyrrolidin-1-yl)butanamide; (+-)-alpha-Ethyl-2-oxo-1-pyrrolidineacetamide; (S)-alpha-Ethyl-2-oxo-1-pyrrolidineacetamide; 1-Pyrrolidineacetamide; alpha-ethyl-2-oxo-; alpha-Ethyl-2-oxo-1-pyrrolidineacetamide; Etiracetam; Etiracetam [INN]; Etiracetamum [INN-Latin]; Keppra; Levetiracetam [INN]; Levetiracetamum [INN-Latin]; LEVITIRACETAM; UCB 6474; UCB-6474; UCB-L 059; Name:(S)-2-(2-Oxopyrrolidin-1-yl)butanamide (Levetiracetam); Levetiracetam
分子量 170.21
分子式 C8H14N2O2
EINECS编号
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物理化学性质

熔点:118-119°C
比旋光度:-89.7°
外观:白色结晶粉末
水分:≤0.5%
熔点:115-118°C

安全术语
风险术语
上游原料
(2S)-2-Aminobutanamide4-chlorobutanoyl bromide(2S)-2-[(4-Chlorobutanoyl)amino]butanamide(2S)-2-Aminobutanamide4-chlorobutanoyl bromide(S)-2-hydroxybutanamide(S)-1-amino-1-oxobutan-2-yl methanesulfonateethyl 4-aminobutanoate(S)-ethyl 4-((1-amino-1-oxobutan-2-yl)amino)butanoate(S)-2-((phenylamino)oxy)butan-1-ol(S)-butane-1,2-diol(S)-1-(benzyloxy)butan-2-ol(S)-1-(benzyloxy)butan-2-yl methanesulfonate2-Pyrrolidinone(S)-1-(1-(benzyloxy)butan-2-yl)pyrrolidin-2-one(S)-1-(1-hydroxybutan-2-yl)pyrrolidin-2-one(2S)-2-(2-Oxo-1-pyrrolidinyl)butyric acid(2S)-2-Aminobutanamide3,4-dichloro-5-hydroxyfuran-2(5H)-one(2R)-2-(3,4-dichloro-2-hydroxy-5-oxo-2,5-dihydro-1H-pyrrol-1-yl)butanamide(2S)-2-Aminobutanamideethyl 4-bromobutanoate; Ethyl 4-bromobutyrateethyl 4-[[(1S)-1-(aminocarbonyl)propyl]amino]butanoate(2S)-2-Aminobutanamide4-Chlorobutanoyl chloride; 4-Chlorobutyric acid chloride(2S)-2-[(4-Chlorobutanoyl)amino]butanamide(1R)-1-Phenylethylamine; (1R)-1-Phenyl-1-ethanamine.; L-alpha-Phenylethylamineethyl 2-(2-oxo-1-pyrrolidinyl)butanoate2-(2-Oxo-1-pyrrolidinyl)butyric acid(2S)-2-(2-Oxo-1-pyrrolidinyl)butyric acidethyl 4-bromobutanoate; Ethyl 4-bromobutyrate4-Chlorobutanoyl chloride; 4-Chlorobutyric acid chloride(2S)-2-Amino-4-(methylsulfanyl)butanamideethyl 4-[[(1S)-1-(aminocarbonyl)-3-(methylsulfanyl)propyl]amino]butanoate(2S)-4-(Methylsulfanyl)-2-(2-oxo-1-pyrrolidinyl)butanamide2-Pyrrolidinone2-oxobutyric acid(Z)-2-(2-oxo-1-pyrrolidinyl)-2-butenoic acid(Z)-2-(2-oxo-1-pyrrolidinyl)-2-butenoyl chloride(Z)-2-(2-oxo-1-pyrrolidinyl)-2-butenamide2-(2-Oxo-1-pyrrolidinyl)butyric acid2-PyrrolidinoneDL-Ethyl 2-bromobutyrate; Ethyl 2-bromobutyrate; Ethyl 2-Bromobutyrate; DL-Ethyl-(2-brombutyrat); 2-Bromo-n-butyric Acid Ethyl Ester; Ethyl 2-Bromo-n-butyrate; 2-Bromobutyric acid ethyl ester; Ethyl-2-bromobutyrate; BNBE; alpha-Bromobutyric acid ethyl esterethyl 2-(2-oxo-1-pyrrolidinyl)butanoate2-(2-oxo-1-pyrrolidinyl)butanoyl chloride2-(2-oxo-1-pyrrolidinyl)butanamideAcetaldehydeTrimethyl phosphite2-Oxoacetic acid; Glyoxylic Acid2-Pyrrolidinone2-hydroxy-2-(2-oxo-1-pyrrolidinyl)acetic acidmethyl 2-methoxy-2-(2-oxo-1-pyrrolidinyl)acetatemethyl 2-chloro-2-(2-oxo-1-pyrrolidinyl)acetatemethyl 2-(dimethoxyphosphoryl)-2-(2-oxo-1-pyrrolidinyl)acetatemethyl (E)-2-(2-oxo-1-pyrrolidinyl)-2-butenoatemethyl (2S)-2-(2-oxo-1-pyrrolidinyl)butanoate(2S)-2-aminobutyric acidmethyl (2S)-2-(2-oxo-1-pyrrolidinyl)butanoate(2S)-2-aminobutanoyl chloridemethyl (2S)-2-aminobutanoateEthyl 4-bromobutyrate; 4-Bromobutyric acid ethyl ester; Ethyl g-Bromobutyrate; Ethyl-(4-brombutyrat); 4-Bromo-n-butyric Acid Ethyl Ester; Ethyl 4-Bromo-n-butyrate; 4-Bromobutyric acid ethylester; Ethylbromobutyrate; 4-Bromobutyric Acid, Ethyl Ester; Ethyl-4-bromobutyrate; 4-BBEmethyl (2S)-2-[(4-ethoxy-4-oxobutyl)amino]butanoate