| 摘要 |
PCT No. PCT/GB93/00603 Sec. 371 Date Nov. 26, 1993 Sec. 102(e) Date Nov. 26, 1993 PCT Filed Mar. 24, 1993 PCT Pub. No. WO93/19070 PCT Pub. Date Sep. 30, 1993.The present invention relates to carbapenems and provides a compound of the formula (I) <IMAGE> (I) wherein: R1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R2 is hydrogen or C1-4alkyl; R3 is hydrogen or C1-4alkyl; and the thienyl ring is optionally further substitued by one or two substituents selected from halo, cyano, C1-4alkyl, nitro, hydroxy, carboxy, C1-4alkoxy, trifluoromethyl, C1-4alkoxycarbonyl, amino, C1-4alkylamino, di-C1-4alkylamino, sulfonic acid, C1-4alkylS(O)n- (wherein n is 0-2), C1-4alkanoylamino, C1-4alkanoyl(N-C1-4alkyl)amino, carbamoyl, C1-4alkylcarbamoyl, di-C1-4alkylcarbamoyl and N-C1-4alkanesulfonamido; or by a tetramethylene group attached to adjacent carbon atoms on the thienyl ring; or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof. Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them are also described.
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