Citation: Hong Ru Li Qin Yuan Guo, Ting Xie, Fang Gao Sheng Tao Zhang. Synthesis and photochemistry of novel bromo substituted stilbene derivatives as triplet state sensitizers for the generation of singlet oxygen[J]. Chinese Chemical Letters, ;2009, 20(12): 1415-1418. doi: 10.1016/j.cclet.2009.06.033
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We have presented the synthesis and characterization of three new bromo substituted stilbene derivatives, p-3,4,5-trimethoxy-p'-2,3,4,5,6-pentabromo st abromo stilbene(C1), p-N,N-dimethylamino-p'-2,3,4,5,6-pentabromo stilbene (C2) and 2013/5/18 23:53 p-N,N-diphenylamino-p'-2,3,4,5,6-pentabromo stilbene (C3) in this letter.The UV/vis absorption and photoluminescence were investigated in various solvents.The maximal absorption wavelength of C1 exhibited blue-shift to those of C2 and C3 in different solvents.No florescence emission could be detected for these compounds at room temperature.Singlet oxygen could be efficiently produced with thesesensitizers under near-ultraviolet and visible light irradiation.
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Keywords:
- Synthesis,
- Photochemistry,
- Triplet state,
- Bromo substitution,
- Singlet oxygen
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