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 shu

Synthesis and photochemistry of novel bromo substituted stilbene derivatives as triplet state sensitizers for the generation of singlet oxygen

College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China

Received Date: 7 April 2009

Fund Project: 20872184).We would thank ‘‘Key Foundation of Chongqing Science and Technology Commission''(No.CSTC 2008BA4020).H.Li thanks ‘‘A Foundation for the Author of National Excellent Doctoral Dissertation of PR China (200735)''for financial support.This paper is partly sponsored by the Scientific Research Foundation for the Returned Overseas Chinese ScholarsState Education Ministry as well (Nos.20071108-1The authors are grateful for the financial support from National Natural Science Foundation of China (Nos.2077616520071108-5).20702065

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.
- Synthesis,
- Photochemistry,
- Triplet state,
- Bromo substitution,
- Singlet oxygen
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