Mezlocillin
Title: Mezlocillin
CAS Registry Number: 51481-65-3
CAS Name: (2S,5R,6R)-3,3-Dimethyl-6-[[(2R)-[[[3-(methylsulfonyl)-2-oxo-1-imidazolidinyl]carbonyl]amino]phenylacetyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Additional Names: 6R-[2-[3-(methylsulfonyl)-2-oxo-1-imidazolidine carboxamido]-2-phenylacetamido]penicillanic acid
Manufacturers' Codes: Bay f 1353
Molecular Formula: C21H25N5O8S2
Molecular Weight: 539.58
Percent Composition: C 46.74%, H 4.67%, N 12.98%, O 23.72%, S 11.89%
Literature References: Semisynthetic, broad-spectrum antibiotic related to penicillins and azlocillin, q.v. Prepn: H. B. K├Ânig et al., DE 2152967; eidem, US 3974142 (1973, 1976 both to Bayer). In vitro study: G. P. Bodey, T. Pan, Antimicrob. Agents Chemother. 11, 74 (1977). Pharmacokinetics: H. Lode et al., Infection 5, 163 (1977); S. J. Pancoast, H. C. Neu, Clin. Pharmacol. Ther. 24, 108 (1978). Clinical pharmacology: B. F. Issell et al., Antimicrob. Agents Chemother. 13, 180 (1978). Tissue concentration and efficacy: E. Helwing et al., Med. Klin. 74, 112 (1979). Series of articles on antibacterial activity, pharmacology, and clinical trials: Arzneim.-Forsch. 29, 1915-2032 (1979); Infection 10, Suppl. 3, S121-S266 (1982); J. Antimicrob. Chemother. 11, Suppl. C, 1-108 (1983).
 
Derivative Type: Sodium salt monohydrate
CAS Registry Number: 59798-30-0
Trademarks: Baycipen (Bayer); Baypen (Bayer); Mezlin (Miles)
Molecular Formula: C21H24N5NaO5S2.H2O
Molecular Weight: 531.58
Percent Composition: C 47.45%, H 4.93%, N 13.17%, Na 4.32%, O 18.06%, S 12.06%
Properties: Pale yellow cryst; sol in water, methanol, DMF. Insol in acetone and ethanol.
 
Therap-Cat: Antibacterial.
Keywords: Antibacterial (Antibiotics); ?Lactams; Penicillins.

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