Nuclear analogs of β-lactam antibiotics. 7. The synthesis of 3-thia- and 3-aza-1-dethiaceph-1-em esters |
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Authors: | John G Gleason Deborah Boles Bryan Kenneth G Holden |
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Institution: | Research and Development Division Smith Kline and French Laboratories Philadelphia, Pennsylvania 19101 U.S.A. |
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Abstract: | The total synthesis of a 3-thia- and a 3-aza-1-dethiacepham ( and ) are described. Neither compound possessed antibacterial activity . . An unsaturated analog, a 3-aza-1-dethiaceph-1-em exhibited weak antibacterial activity. |
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