The Photochemical Reaction of Bis(Naphthalene-Thiouronium Salts) Compound

doi:10.7517/j.issn.1674-0475.2004.04.259

Abstract

Abstract: A kind of bis(naphthalene-thiouronium salt) is synthesized.The photo-chemical and physical behaviors of this compound were studied carefully.Under photo-irradiation compound exhibits unusual excimer emission in fluorescence spectrum.It is probable due to the intra-molecular photo-induced electron transfer occurred,and followed by radical formation,recombination reaction of radicals and cyclic compound formation.In this case the naphthalene groups contained will be arranged in an optimized condition for the excimer formation.In order to clarify the mechanism discussed above several methods such as the ESR measurement,the stable radical(such as TEMPO) and β-CD addition were designed and carried out for inhibition of the radical recombination reaction occurred.

Key words: thiouronium salt compound, photoinduced electron transfer, radical recombination

CLC Number:

ZHOU Li-li, ZHANG Xiao-hong, WU Shi-kang. The Photochemical Reaction of Bis(Naphthalene-Thiouronium Salts) Compound[J]. Imaging Science and Photochemistry, 2004, 22(4): 259-265.

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The Photochemical Reaction of Bis(Naphthalene-Thiouronium Salts) Compound

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