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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
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.
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页码:713 / 716
页数:4
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