Title:  Epicillin 
CAS Registry Number:  26774-90-3 
CAS Name:  (2S,5R,6R)-6-[[(2R)-Amino-1,4-cyclohexadien-1-ylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 
Additional Names:  6-[D-a-amino-2-(1,4-cyclohexadien-1-yl)acetamido]penicillanic acid;  D-a-amino-(1,4-cyclohexadien-1-yl)methylpenicillin 
Manufacturers' Codes:  SQ-11302 
Trademarks:  Dexacilina (BMS);  Dexacillin (BMS);  Spectacillin (Sandoz) 
Molecular Formula:  C16H21N3O4S 
Molecular Weight:  351.42 
Percent Composition:  C 54.68%, H 6.02%, N 11.96%, O 18.21%, S 9.12% 
Literature References:  Semi-synthetic antibiotic related to penicillin.  Prepn:  Weisenborn et al., US 3485819 (1969 to Squibb); Dolfini et al., J. Med. Chem. 14, 117 (1971).  Activity studies:  Basch et al., Infect. Immun. 4, 44 (1971); Gadebusch et al., ibid. 50.  Clinical trials:  Woodruff et al., N. Y. State J. Med. 71, 1087 (1971); Beck et al., Curr. Ther. Res. 13, 530 (1971); Reyes, ibid. 602; Landa, ibid. 654. 
Properties:  Crystals, dec 202° (hemihydrate). 
Therap-Cat:  Antibacterial. 
Keywords:  Antibacterial (Antibiotics); ?Lactams; Penicillins.   |