First P,S-bidentate diamidophosphite ligand in Pd-catalyzed asymmetric reactionsстатья
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Дата последнего поиска статьи во внешних источниках: 8 сентября 2020 г.
Аннотация:P*,S-diamidophosphite ligand with a 1,3,2-diazaphopholidine core and an exocyclic thioether fragment was prepared for the first time. This ligand provided up to 86% ee in the Pd-catalyzed alkylation of rac-(E)-1,3-diphenylallyl acetate with dimethyl malonate, as well as up to 73% and 75% ee in the amination of this substrate with pyrrolidine and diethyl (aminomethyl)phosphonate, respectively. In Pd-catalyzed alkylation of cinnamyl acetate with different β-keto ethers up to 76% ee was achieved.