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98079-51-7生产厂家

98079-51-7价格

98079-51-7

98079-51-7结构式
98079-51-7结构式

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中文名 洛美沙星
英文名 lomefloxacin
中文别名 (+/-)-1-乙基-6,8-二氟-1,4-二氢-7-(3-甲基-1-哌嗪基)-4-氧-喹啉-3-羧酸
英文别名 1-Ethyl-6,8-difluoro-7-(3-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
LFLX
Lomefloxacin
Lomefloxacinum
(±)-1-Ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid
1-Ethyl-6,8-difluoro-7-(3-methyl-1-piperazinyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid
Maxaquin
1-ethyl-6,8-difluoro-7-(3-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid
UNII:L6BR2WJD8V
Lomefloxacino
3-Quinolinecarboxylic acid, 1-ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-
MFCD00242673
Lomefloxacine
描述 Lomefloxacin(SC47111A)是氟喹诺酮类抗生素。
相关类别
参考文献

[1]. http://www.drugbank.ca/drugs/DB00978

密度 1.3±0.1 g/cm3
沸点 542.7±50.0 °C at 760 mmHg
熔点 239-240ºC
分子式 C17H19F2N3O3
分子量 351.348
闪点 282.0±30.1 °C
精确质量 351.139435
PSA 74.57000
LogP 1.71
外观性状 灰白色至黄色晶体
蒸汽压 0.0±1.5 mmHg at 25°C
折射率 1.566
储存条件 −20°C
分子结构

1、 摩尔折射率:86.66

2、 摩尔体积(cm3/mol):265.6

3、 等张比容(90.2K):698.4

4、 表面张力(dyne/cm):47.8

5、 极化率(10-24cm3):34.35

计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:2

3.氢键受体数量:8

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积72.9

7.重原子数量:25

8.表面电荷:0

9.复杂度:586

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:1

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1.性状:无色针状结晶。

2.熔点(ºC):239~240.5

毒理学数据:

急性毒性50小鼠(mg/kg):245.6静脉注射;>4000口服。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VB1997400
CHEMICAL NAME :
3-Quinolinecarboxylic acid, 1,4-dihydro-6,8-difluoro-1-ethyl-7-(3-methyl-1-pipera zinyl)-4-oxo-
CAS REGISTRY NUMBER :
98079-51-7
LAST UPDATED :
199612
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C17-H19-F2-N3-O3
MOLECULAR WEIGHT :
351.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Human - woman
DOSE/DURATION :
24 mg/kg/3D-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - excitement
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3800 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - changes in motor activity (specific assay) Behavioral - ataxia
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
698 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
246 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
DNA repair
TEST SYSTEM :
Bacteria - Bacillus subtilis
DOSE/DURATION :
20 mg/L
REFERENCE :
AMACCQ Antimicrobial Agents and Chemotherapy. (American Soc. for Microbiology, 1913 I St., NW, Washington, DC 20006) V.1- 1972- Volume(issue)/page/year: 37,213,1993

危害码 (欧洲) Xn,Xi
风险声明 (欧洲) 22-36/37/38
安全声明 (欧洲) S26-S36
WGK德国 3
RTECS号 VB1997500
海关编码 2933990090

~93%

98079-51-7结构式

98079-51-7

文献:BERTHON-CEDILLE, Laurence; Leguern, Marie-Emmanuelle; Renaud, Gilles; Tombret, Francis Patent: US2009/54643 A1, 2009 ; Location in patent: Page/Page column 6 ;

~85%

98079-51-7结构式

98079-51-7

文献:Domagala; Bridges; Culbertson; Gambino; Hagen; Karrick; Porter; Sanchez; Sesnie; Spense; Szotek; Wemple Journal of Medicinal Chemistry, 1991 , vol. 34, # 3 p. 1142 - 1154
98079-51-7结构式

98079-51-7

~%

98079-51-7结构式

98079-51-7

文献:Journal of Chemical Crystallography, , vol. 39, # 5 p. 384 - 388

以2,3,4,5-氟苯甲酸为原料,经氯化亚砜氯化为酰氯,再和乙氧基丙二酸二乙酯缩合,然后脱羧生成四氟苯甲酰基乙酸乙酯,接着和原甲酸三乙脂在乙酸酐作用下缩合得到烯键,和乙胺反应以取代乙氧基,在氢化钠作用下环合生成喹啉环衍生物,酯基水解成羧基,最后和2-甲基哌嗪反应,得到洛美沙星。

98079-51-7 preparation

海关编码 2933990090
中文概述 2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%