389. Amdinocillin

Nomenclature

CAS number: 32887-01-7
(2S,5R,6R)-6-[[(Hexahydro-1H-azepin-1-yl)methylene]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6-[(hexahydro-1H-azepin-1-yl)methyleneamino]penicillanic acid; mecillinam; FL-1060; Ro-10-9070; Selexid (inj) (Leo Pharm).
C15H23N3O3S; mol wt 325.43.
C 55.36%, H 7.12%, N 12.91%, O 14.75%, S 9.85%.

Description and references

Semi-synthetic antibiotic related to penicillin. Prepn: F. J. Lund, DE 2055531; idem, US 3957764 (1971, 1976 both to Lvens Kemiske Fabrik). Synthesis and chemical properties: H. B. Knig et al., Arzneim.-Forsch. 33, 88 (1983). X-ray structural study: J. W. Krajewski et al., J. Antibiot. 34, 282 (1981). In vitro study: B. Chattopadhyay, I. Hall, J. Antimicrob. Chemother. 5, 549 (1979). Activity against gram-negative bacteria: D. S. Reeves, J. Antimicrob. Chemother. 3, Suppl. B, 5 (1977). Studies on mechanism of action: B. G. Spratt, ibid. 13. Metabolism: A. P. Ball et al., ibid. 4, 241 (1978). Use in urinary tract infections and septicemia: N. Frimodt-Miller, T. J. Ravn, Infection 7, 35 (1979). Determn in plasma and urine by HPLC: T. L. Lee, M. A. Brooks, J. Chromatogr. 227, 137 (1982). Pharmacokinetics in man: B. R. Meyers et al., Antimicrob. Agents Chemother. 23, 827 (1983). Symposium on pharmacology, pharmacokinetics, clinical studies: Am. J. Med. 75, no. 2A, 1-138 (1983). Review of pharmacology and clinical efficacy: H. C. Neu, Pharmacotherapy 5, 1-10 (1985).

Chemical structure

Properties

Crystals from methanol-acetone mp 156° (dec). [α]D20 +285° (c = 1 in 0.1N HCl). Sol in water.

Derivative

Pivaloyloxymethyl ester see Amdinocillin Pivoxil.

Therapeutic Category

Antibacterial.

Keywords

Antibacterial (Antibiotics); β-Lactams; Penicillins