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Enantioselective synthesis of 4,5-disubstituted pyrrolidin-2-one derivatives with two stereocenters on the basis of Michael adducts
Chemistry of Heterocyclic Compounds ( IF 1.4 ) Pub Date : 2020-09-23 , DOI: 10.1007/s10593-020-02766-6 Natalja Orlova , Maxim Vorona , Vladislavs Baskevics , Marina Petrova , Sergey Belyakov , Helena Kazoka , Ruslan Muhamadejev , Grigory Veinberg
中文翻译:
基于迈克尔加合物的具有两个立体中心的4,5-二取代的吡咯烷-2-一衍生物的对映选择性合成
更新日期:2020-09-23
Chemistry of Heterocyclic Compounds ( IF 1.4 ) Pub Date : 2020-09-23 , DOI: 10.1007/s10593-020-02766-6 Natalja Orlova , Maxim Vorona , Vladislavs Baskevics , Marina Petrova , Sergey Belyakov , Helena Kazoka , Ruslan Muhamadejev , Grigory Veinberg
The addition of malonates to trans-β-alkyl-β-nitrostyrenes in the presence of chiral Mg2+ bisoxazoline complex and Ni2+ and Co2+ bis((S,S)- or (R,R)-N,N′-dibenzylcyclohexane-1,2-diamine) complexes resulted in the formation of Michael adducts with two stereo-centers which were used as key precursors for the preparation of potentially biologically active enantiopure 4,5-disubstituted pyrrolidin-2-one derivatives.
中文翻译:
基于迈克尔加合物的具有两个立体中心的4,5-二取代的吡咯烷-2-一衍生物的对映选择性合成
在手性Mg 2+双恶唑啉配合物和Ni 2+和Co 2+ bis((S,S)-或(R,R)-N,N的存在下,将丙二酸酯添加到反式-β-烷基-β-硝基苯乙烯中′-二苄基环己烷-1,2-二胺)配合物形成带有两个立体中心的迈克尔加成物,它们被用作制备潜在的具有生物活性的对映体纯的4,5-二取代的吡咯烷-2-一衍生物的关键前体。