发明名称 PREPARATION OF 2-PYRROLIDINONES
摘要 A process for the preparation of a 2-pyrrolidinone of the general formula I <IMAGE> (I) in which R1 and R2 are independently hydrogen, C1-C20-alkyl, or C3-C8-cycloalkyl optionally substituted by C1-C4-alkyl, or phenyl optionally substituted by C1-C4-alkyl, by reacting a 3-cyanopropionate of the general formula II <IMAGE> (II) in which R1 and R2 have the meanings stated above and R3 denotes C1-C8-alkyl, with hydrogen at elevated temperature and pressure, wherein the reaction is carried out in the presence of ammonia and in contact with a catalyst containing cobalt, manganese, and phosphorus.
申请公布号 US5136051(A) 申请公布日期 1992.08.04
申请号 US19910772814 申请日期 1991.10.08
申请人 BASF AKTIENGESELLSCHAFT 发明人 SCHUSTER, LUDWIG;KOEHLER, ULRICH
分类号 C07D201/08;C07D207/26;C07D207/267 主分类号 C07D201/08
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