摘要 |
Disclosed is an intermediate for the synthesis of a carbapenem which is advantageous for the industrial production of the carbapenem. A process for producing a compound (I) or a pharmaceutically acceptable salt or solvate thereof or a crystal thereof, comprising reacting a compound (III) with a compound (IV) in the presence of a secondary amine; a crystal of a benzyl alcohol-solvated form of the compound (I) or the like; a method for deprotecting the compound (I) by using a Pd catalyst; and a crystal of the compound (IV) or the like.
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