Dynamic kinetic resolution of an azlactone catalyzed by octahedral chiral-at-metal cobalt(iii) complexes under phase-transfer alcoholysis

被引：0

作者：

Emelyanov, Mikhail A. ^{[1
]}

Rozhkov, Evgeniy, V ^{[1
,2
]}

Maleev, Victor I. ^{[1
]}

Larionov, Vladimir A. ^{[1
]}

机构：

[1] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119334, Russia

[2] DI Mendeleev Univ Chem Technol Russia, Russian Acad Sci, Higher Chem Coll, Moscow 125047, Russia

来源：

MENDELEEV COMMUNICATIONS | 2024年 / 34卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

kinetic resolution; azlactone; amino acids; chiral-at-metal; cobalt( iii ) complexes; AMINO-ACIDS; SCHIFF-BASES;

D O I：

10.1016/j.mencom.2024.02.015

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A family of well-defined octahedral cationic chiral-atcobalt( iii ) catalysts based on ( R , R )-1,2-cyclohexanediamine and ( R , R )-1,2-diphenylethylenediamine has been examined in the dynamic kinetic resolution of an azlactone derived from N -benzoyl- tert -leucine . The reactions catalyzed by 10 mol% of Co iii complexes in the presence of 1 M aqueous NaOH solution under phase-transfer alcoholysis afforded the corresponding benzyl ester of tert -leucine with up to 76% yield and up to 66% enantioselectivity ( ee ).

引用

页码：206 / 208

页数：3

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