ESR Studies on Singlet Oxygen Generation of Meso-Tetrakis-(substituted phenyl) Porphine Derivatives

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (7): 970.

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ESR Studies on Singlet Oxygen Generation of Meso-Tetrakis-(substituted phenyl) Porphine Derivatives

Chen Ji-yao¹, Lu Ya-meng¹, Chen Shi-ming¹, Cai Huai-xin¹, Xu De-yu², Wang Shao-yin²

1. Physics Department, Analysis and measurement centre, Fudan University, Shanghai, 200433;
2. Research Laboratory for Antimalaria Pharmaceuticals, the 2nd Military Medical College, Shanghai

Received:1990-02-09 Online:1991-07-24 Published:1991-07-24

Abstract

Abstract: The ability of meso-tetrakis-(substituted phenyl) porphine derivatives for photo-generating singlet oxygen (¹O₂) is studied by ESRspectrometry. The results show that the singlet oxygen yields of most of porphine derivatives are higher than that of HPD. It is also exhibited that the nature and structure of the substituent at the meso position are closely related to the photosensitizing ability of meso-te-trakis-(substituted phenyl) porphines.

Key words: Porphine, Singlet oxygen, Electron spin resonance

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Chen Ji-yao, Lu Ya-meng, Chen Shi-ming, Cai Huai-xin, Xu De-yu, Wang Shao-yin. ESR Studies on Singlet Oxygen Generation of Meso-Tetrakis-(substituted phenyl) Porphine Derivatives[J]. Chem. J. Chinese Universities, 1991, 12(7): 970.

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ESR Studies on Singlet Oxygen Generation of Meso-Tetrakis-(substituted phenyl) Porphine Derivatives

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