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The constitutes and isomer distribution of di-(potassium sulfonate)-di-phthalimidomethyl phthalocyanine zinc

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  • Analytical Chemistry
  • Published:
Chinese Science Bulletin

Abstract

Sulfonate and/or phthalimidomethyl phthalocyanine zincs are obtained by the condensation reaction of anhydrous zinc acetate and two precursors, i.e. 4-phthalimidomethyl phthalonitrile and 4-(potassium sulfonated) phthalonitrile. The ZnPcS n P m mixture was separated into 5 components according to the number of substituted sulfonate groups and each component which has the same chemical constituent consists of different regioisomers. An HPLC method in isocratic conditions was developed to exercise quality control and make quantitative analysis of the photosensitizer, di-(potassium sulfonate)-diphthalimidomethyl phthalocyanine zinc (abbreviated as ZnPcS2P2, here, S represents sulfonate group, P the phthalimidomethyl group and ZnPc the phthalocyanine zinc). Furthermore, by comparing the retention behavior of ZnPcS2P2 with that of ZnPcS2, positional structure of isomers of ZnPcS2P2 was speculated. Reversed-phase HPLC method with TEA-phosphate buffer and DMF as eluents in gradient conditions has been proved to be a powerful tool for the separation of such complex system.

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Authors and Affiliations

  1. Institute of Research on Functional Materials, Department of Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350002, China

    Wang Jian, Liu Hong, Xue JinPing, Jiang Zhou, Chen NaiSheng & Huang JinLing

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  1. Wang Jian
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  2. Liu Hong
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  3. Xue JinPing
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  4. Jiang Zhou
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  5. Chen NaiSheng
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  6. Huang JinLing
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Corresponding author

Correspondence to Huang JinLing.

Additional information

Supported by the Major Scientific and Technical Tackle-Key-Problem Plan of the Ministry of Science and Technology of China (Grant No. 96-901-01-67), the Major Program of Fujian Provincial Department of Science and Technology (Grant No. 2001Z023) and Young Scientist Innovation Foundation of Fujian Province of China (Grant No. 2006F3071)

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Jian, W., Hong, L., JinPing, X. et al. The constitutes and isomer distribution of di-(potassium sulfonate)-di-phthalimidomethyl phthalocyanine zinc. Chin. Sci. Bull. 53, 1657–1664 (2008). https://doi.org/10.1007/s11434-008-0223-7

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  • DOI: https://doi.org/10.1007/s11434-008-0223-7

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