左氧氟环合酯
化学名:(S)-9,10-二氟-3-甲基-7-氧代-2,3-二氢-7H-吡啶并[1,2,3-de]-1,4-苯骈恶嗪-6-羧酸乙酯
中文同义词: 左旋氧氟沙星环合酯;(S)-9,10-二氟-3-甲基-7-氧代-2,3-二氢-7H-吡啶并[1,2,3-de]-1,4-苯骈恶嗪-6-羧酸乙酯;左氧氟环合酯;左氧氟羧酸乙酯
英文名称: Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
英文同义词: 7h-Pyrido[1,2,3-De]-1,4-Benzoxazine-6-Carboxylic Acid, 9,10-Difluoro-2,3-Dihydro-3-Methyl-7-Oxo-, Ethyl Ester, (3s)-;Levofloxacin carboxylic acid, ethyl ester;LEVOFLOXACINCYCLIZEDESTER;(3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylicacidethylester;ETHYL (S)-9,10-DIFLUORO-3-METHYL-7-OXO-2,3-DIHYDRO-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLATE;7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID, 9,10-DIFLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-, ETHYL ESTER;(S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester;9,10-Difluoro-3-(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
CAS号: 106939-34-8
分子式: C15H13F2NO4
分子量: 309.26
用途:左氧氟环合酯是合成左氧氟沙星药物的一个主要原料。
性状:类白色粉末
比旋度[α]D20 - 64°~ - 72°(1% CH3COOH)
熔点 256°C ~262°C
干燥失重 ≤0.5%
右旋异构体:≤0.3%
有关物质 单一杂质≤0.5%
甲酯杂质:≤0.5%
总杂质:≤1%
含量 ≥99%
包装:25KG 纸板桶