Magneto-chiral Effect of Optically Active Metalloporphyrin

Chem. J. Chinese Universities ›› 2000, Vol. 21 ›› Issue (6): 844.

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Magneto-chiral Effect of Optically Active Metalloporphyrin

YING Xiao¹, LIU Hai-Yang², HU Xi-Ming², YAO Zhong-Ping³, HUANG Jin-Wang⁴, TIAN Xuan⁵, JI Liang-Nian⁴

1. Departmentof Phys ics, South China Universityof Technology, Guangzhou 510640, China;
2. Departmentof App lied Chemistry, South China Universityof Technology, Guangzhou 510640, China;
3. Departmentof Chemistry, Hong Kong Universityof Scienceand Technology, Hong Kong, China;
4. Departmentof Chemistry, Zhongshan University, Guangzhou 510275, China;
5. National Laboratoryof Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China

Received:2000-01-06 Online:2000-06-24 Published:2000-06-24

Abstract

Abstract: Strong magneto chiral effects in absorption of phenylalanine bridged chiral zinc bis porphyrin O,O-C₂-Phe-C₂ (TPP)₂Zn₂ were demonstrated through the comparison of natural circular dichroism and magnetic circular dichroism spectra of enantiomers. Magneto-chiral circular dichroism spectra expressed as difference between the absorption coefficients of the left circularly polarized and right circularly polarized light are given. The observed intensive magneto chiral effect was suggested to be related with the chiral exciton coupling between two zinc porphyrin chromophores of the enantiomers.

Key words: Phenylalanine, Optically active metalloporphyrin, Magneto-chiral dichroism

CLC Number:

O614

TrendMD:

YING Xiao, LIU Hai-Yang, HU Xi-Ming, YAO Zhong-Ping, HUANG Jin-Wang, TIAN Xuan, JI Liang-Nian . Magneto-chiral Effect of Optically Active Metalloporphyrin[J]. Chem. J. Chinese Universities, 2000, 21(6): 844.

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Magneto-chiral Effect of Optically Active Metalloporphyrin

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