| 摘要 |
<p>A process for producing either a carbapenem-type antibacterial (4) having a 1-alkylpyrrolidine structure or a salt thereof, the process being shown by the following reaction formula; a compound represented by the formula (1) or a salt thereof which are useful intermediates therefor; and a process for producing the compound or salt. (1) → (4). In the formula, R1 represents C¿1-3? alkyl, and R?2 and R3¿ each independently represents hydrogen, etc.</p> |
