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juanzijiayou

金虫 (小有名气)

[求助] 阿莫西林的溶解性? 已有1人参与

阿莫西林的白色粉末,想知道这个药物能溶于哪些有机溶剂?有看到说它的三水酸是微溶于水的,钠盐则易溶于水,不知道有没有哪些常见有机溶剂很好溶的?希望各位指点,不胜感激!
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川上昼夜

木虫 (小有名气)

楼主这个问题解决了吗?我最近也要用阿莫西林,水溶性太低了。想找个合适的溶剂,提高溶解度
永远不要轻言等待
2楼2013-09-26 21:42:27
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juanzijiayou

金虫 (小有名气)

引用回帖:
2楼: Originally posted by 川上昼夜 at 2013-09-26 21:42:27
楼主这个问题解决了吗?我最近也要用阿莫西林,水溶性太低了。想找个合适的溶剂,提高溶解度

没有找到很合适的,我这个是阿莫西林原料药,用稀硝酸可以溶解了,但是估计是水解了。
有志者,事竞成。
3楼2013-09-27 15:16:09
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川上昼夜

木虫 (小有名气)

引用回帖:
3楼: Originally posted by juanzijiayou at 2013-09-27 15:16:09
没有找到很合适的,我这个是阿莫西林原料药,用稀硝酸可以溶解了,但是估计是水解了。...

哦,我买的是阿莫西林三水合物,微溶于水。加一点无水碳酸钠后,溶解度明显提高了
永远不要轻言等待
4楼2013-09-28 11:05:38
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lidada

新虫 (初入文坛)

我的也是,有白色粉末,请问有好一点的溶剂吗?灌胃用

发自小木虫Android客户端
5楼2017-04-09 15:09:27
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林夕相心_TYT

银虫 (初入文坛)

【答案】应助回帖

Amoxicillin
Structural Formula Vector Image






Title: Amoxicillin

CAS Registry Number: 26787-78-0

CAS Name: (2S,5R,6R)-6-[[(2R)-Amino(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Additional Names: (-)-6-[2-amino-2-(p-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6-[D(-)-a-amino-p-hydroxyphenylacetamido]penicillanic acid; a-amino-p-hydroxybenzylpenicillin; 6-(p-hydroxy-a-aminophenylacetamido)penicillanic acid; p-hydroxyampicillin; amoxycillin; AMPC

Trademarks: Helvamox (Helvepharm); Pasetocin (Kyowa); Penimox (IBSA); Supramox (Grñenthal); Zamocilline (Inpharzam)

Molecular Formula: C16H19N3O5S

Molecular Weight: 365.40

Percent Composition: C 52.59%, H 5.24%, N 11.50%, O 21.89%, S 8.78%

Literature References: Semi-synthetic antibiotic related to penicillin. Prepn: Nayler, Smith, GB 978178 (1964 to Beecham); eidem, US 3192198 (1965); Long, Nayler, DE 1942693 and GB 1241844 (1970 and 1971 to Beecham), C.A. 72, 90447q (1970). Resolution of isomers: Long et al., J. Chem. Soc. C 1971, 1920. Series of articles on activity, pharmacology, absorption and excretion: Antimicrob. Agents Chemother. 1970, 407-430. Review of antibacterial activity, pharmacokinetics and therapeutic use: R. N. Brogden et al., Drugs 18, 169-184 (1979). Comprehensive description: A. E. Bird, Anal. Profiles Drug Subs. Excip. 23, 1-52 (1994).



Derivative Type: Trihydrate

CAS Registry Number: 61336-70-7

Manufacturers' Codes: BRL-2333

Trademarks: Agram (Fabre); Alfamox (Teofarma); Amocilline (Inpharzam); Amodex (Bouchara); Amoram (Eastern); Amoxidin (Lagap); Amoxil (GSK); Amoxillat (Novartis); Amoxypen (Grñenthal); Ardine (Antibioticos); Bactox (Innotech); Betamox (Norbrook); Bristamox (BMS); Cuxacillin (TAD); Flemoxine (Yamanouchi); Gramidil (Dexo); Hiconcil (BMS); Larotid (Roche); Ospamox (Novartis); Polymox (BMS); Robamox (Wyeth); Sigamopen (Alpharma); Trimox (BMS); Velamox (GSK); Widecillin (Meiji); Wymox (Wyeth); Zimox (Pfizer)

Properties: Off-white crystalline powder. [a]D20 +246° (c = 0.1). uv max (ethanol): 230, 274 nm (e 10850, 1400); (0.1N HCl): 229, 272 nm (e 9500, 1080); (0.1N KOH): 248, 291 (e 2200, 3000). Solubility (mg/ml): water 4.0; methanol 7.5; abs ethanol 3.4. Insol in hexane, benzene, ethyl acetate, acetonitrile.

Optical Rotation: [a]D20 +246° (c = 0.1)

Absorption maximum: uv max (ethanol): 230, 274 nm (e 10850, 1400); (0.1N HCl): 229, 272 nm (e 9500, 1080); (0.1N KOH): 248, 291 (e 2200, 3000)



Derivative Type: Sodium salt

CAS Registry Number: 34642-77-8

Trademarks: Clamoxyl (GSK); Ibiamox (IBI)

Molecular Formula: C16H18N3NaO5S

Molecular Weight: 387.39

Percent Composition: C 49.61%, H 4.68%, N 10.85%, Na 5.93%, O 20.65%, S 8.28%



Therap-Cat: Antibacterial.

Therap-Cat-Vet: Antibacterial.

Keywords: Antibacterial (Antibiotics); ?Lactams; Penicillins.
6楼2017-04-24 19:52:25
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