Direct enantiomeric separations of tris(2-phenylpyridine) iridium (III) complexes on polysaccharide derivative-based chiral stationary phases

被引：31

作者：

Chen, Xiaoming

Okamoto, Yoshio

Yano, Tomohiro

Otsuki, Joe

机构：

[1] Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[2] Nihon Univ, Coll Sci & Technol, Chiyoda Ku, Tokyo 101, Japan

来源：

JOURNAL OF SEPARATION SCIENCE | 2007年 / 30卷 / 05期

关键词：

chiral separation; chiral stationary phase; HPLC; polysaccharide derivative; tris(2-phenylpyridine)irridium(III)complexes;

D O I：

10.1002/jssc.200600409

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A convenient method is presented for the first time for the direct separation of enantiomers of a tris(2-phenylpyridine) iridium (111) and an analog substituted with long alkoxy chains on polysaccharide derivative-based chiral stationary phases by HPLC. Tris(2-phenylpyridine) iridium (111) was separated on the immobilized amylose 3,5-dimethylphenylcarbamate (Chiralpak IA) using hexane/CHCl3/CH2Cl2 (75:20:5) as an eluent, and the analog could be separated on the coated cellulose 3,5-dimethylphenylcarbamate (Chiralcel OD) and cellulose 4-methylbenzoate (Chiralcel OJ) using hexane/2-propanol (96:4) as the eluent. CD spectra of the eluted HPLC fractions were also recorded, and the observed mirror image patterns confirm their enantioseparations.

引用

页码：713 / 716

页数：4

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