基本信息
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左氧氟環合酯
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106939-34-8
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左氧氟羧酸乙酯;(S)-9,10-二氟-3-甲基-7-氧代-2,3-二氫-7H-吡啶并[1,2,3-de]-1,4-苯駢惡嗪-6-羧酸乙酯
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C15H13F2NO4
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309.26
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Ethyl (S)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylate
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691-244-2
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1.43g/cm3
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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
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221.2oC
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258-260oC
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442.2oC at 760 mmHg
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詳細信息
左氧氟沙星環合酯
左氧氟沙星羧酸乙酯 左旋氧氟沙星環合酯
Levofloxacin Acid Ester 左氧氟沙星環合酯
CAS:106939-34-8
性狀 類白色粉末
比旋度 -78°～-85°
右旋體 ≤0.5%
有關物質 ≤2%
單一雜質 ≤0.5%
干燥失重 ≤0.5%
熾灼殘渣 ≤0.2
含量 ≥99%
用途：左氧氟沙星中間體 左帕珠沙星中間體 帕珠沙星母核
