| 摘要 |
The therapeutically active compounds of the formula III, in which the dotted line indicates the unsaturated or saturated 2,3 bond and R' and X have the meaning given in Claim 1, as well as their pharmaceutically acceptable salts and esters, are valuable antibiotics. They can be obtained by hydrogenating cleavage and, where appropriate, by hydrogenating the double bond of thienamycin of the formula IV and its derivatives. <IMAGE> |
