132-98-9

基本信息
青霉素 V 鉀
青霉素V鉀鹽
青霉素V鉀
PENICILLINE V POTASSIUM SALT
PENICILLIN V
PENICILLIN VK
PENICILLIN V POTASSIUM
PENICILLIN V POTASSIUM SALT
PHENOXYMETHYLPENICILLINIC ACID POTASSIUM SALT
PHENOXYMETHYLPENICILLIN K+ SALT
PHENOXYMETHYLPENICILLIN POTASSIUM
PHENOXYMETHYL PENICILLIN POTASSIUM SALT
4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylicacid,3,3-dimethyl-7-oxo-6-((ph
abicyclo[3.2.0]heptane-2-carboxylate
antibiocin
apsinvk
arcacil
arcasin
aspinvk
beromycin
beromycin(penicillin)
betapen-vk
物理化學(xué)性質(zhì)
安全數(shù)據(jù)
制備方法

551-16-6

701-99-5

132-98-9
一般步驟:向冷卻至0-5℃并攪拌的2.76 g(12.5 mmol)6-氨基青霉烷酸(6-APA)溶于60 mL水(含5.25 g,62.5 mmol碳酸氫鈉)的溶液中,緩慢滴加2.76 g(16.2 mmol)苯氧乙酰氯溶于5 mL丙酮的溶液,滴加時(shí)間控制在1分鐘內(nèi)。反應(yīng)混合物在10-15℃下劇烈攪拌20分鐘。反應(yīng)完成后,用15 mL甲基異丁基酮(MIBK)萃取水相兩次,棄去有機(jī)相。將水相冷卻至5-10℃,用冷的5.0 mol/L硫酸溶液酸化至pH 2.0。酸化后的水相用50 mL MIBK萃取兩次,合并有機(jī)相,用冷水洗滌,無水硫酸鈉干燥10分鐘。過濾除去干燥劑,向?yàn)V液中加入10 mL 25% 2-乙基己酸鉀的丁醇溶液,析出白色結(jié)晶。過濾收集固體,用干燥丙酮洗滌,真空干燥,得到3.5 g(產(chǎn)率80%)目標(biāo)化合物(2S,5R,6R)-3,3-二甲基-7-氧代-6-(2-苯氧基乙酰胺基)-4-硫雜-1-氮雜二環(huán)[3.2.0]庚-2-羧酸鉀,為白色固體。熔點(diǎn):210-211℃(分解)。1H NMR (400 MHz, DMSO-d6): δ 8.42 (d, 1H, J = 8.0 Hz), 7.27 (m, 2H), 6.92 (m, 3H), 5.42 (dd, 1H, J = 8.0, 4.0 Hz), 5.40 (d, 1H, J = 4.0 Hz), 4.62 (d, 2H, J = 2.2 Hz), 3.88 (s, 1H), 1.52 (s, 3H), 1.46 (s, 3H); 13C NMR (100 MHz, DMSO-d6): δ 172.8, 169.0, 168.1, 158.1, 130.0, 121.7, 115.0, 74.6, 67.3, 66.7, 65.0, 57.8, 32.7, 27.8; HRMS (FAB) 計(jì)算值 C16H18KN2O5S [M + H]+: m/z 389.0584; 實(shí)測值: 389.0995。
參考文獻(xiàn):
[1] Chinese Chemical Letters, 2015, vol. 26, # 1, p. 113 - 117
常見問題列表
Penicillin V (0.002-8.0 mg/L) inhibits the growth of
Streptococci
, with the minimum inhibitory concentrations (MICs) of 0.004-0.008 mg/L.
Penicillin V (0.002-8.0 mg/L) inhibits the growth of
C. difficile
, with a MIC
90
of 8 mg/L.
Penicillin V (0.004-0.063 mg/L; 18 h) inhibits the growth of
Staphylococcus aureus
, with a MIC of 0.016 mg/L.
Penicillin V (0.063-0.25 mg/kg; a single s.c.) inhibits the outgrowth of
S. aureus
in mice thigh muscle.
Penicillin V (100 mg/kg; p.o. once daily for 5 d) avoids the fulminant infection of acute purulent otitis media (AOM) in rats.
Penicillin V (2 mg/kg; a single s.c.) exhibits the plasma half-life (61 min) and mean AUC (0.47 mg/L?h).
Animal Model: | Specific pathogen free (SPF) male Swiss mice (20-25 g) are inoculated S. aureus |
Dosage: | 0.063, 0.13, 0.25 mg/kg |
Administration: | A single s.c. |
Result: | Decreased the number of CFU (1.34×10 7 counts/mL) compared to controls (3.5×10 7 counts/mL) at the dose of 0.25 mg/kg. |