期刊
CHIRALITY
卷 31, 期 5, 页码 401-409出版社
WILEY
DOI: 10.1002/chir.23066
关键词
amino acids; chiral HPLC; kinetic of racemization; metal(II) complexes; Schiff bases; stereogenic nitrogen
资金
- National Natural Science Foundation of China [21761132021]
Herein, we report a general method for quantitative measurement of the configurational stability of the stereogenic nitrogen coordinated to M (II) in the corresponding square planar complexes. This stereochemical approach is quite sensitive to steric and electronic effects of the substituents and shown to work well for Ni(II), Pd(II), and Cu(II) complexes. Structural simplicity of the compounds used, coupled with high sensitivity and reliability of experimental procedures, bodes well for application of this approach in evaluation of chemical stability and stereochemical properties of newly designed chiral ligands for general asymmetric synthesis of tailor-made amino acids.
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