✦ LIBER ✦

Dipicolinate as acceptor in D–π–A chromophores: synthesis, characterization and fluorescence following single- and two-photon excitation

✍ Scribed by Haibo Xiao; Xiaoming Tao; Yaochuan Wang; Shixiong Qian; Guanghao Shi; Hui Li

Publisher: Elsevier Science
Year: 2008
Tongue: French
Weight: 300 KB
Volume: 49
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2008.09.073

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✦ Synopsis

Three novel donor-p-acceptor type compounds with dipicolinate as acceptor have been synthesized. Their absorption, photoluminescence as well as their two-photon absorption properties have been investigated. Two of them show strong two-photon absorption and two-photon excited up-conversion fluorescence.

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## Abstract The synthesis, structure, and fluorescence properties of a series of new donor–π–acceptor (D–π–A) type compounds, with a trivalent boron, protected by two mesityl groups, as acceptor, and with various typical donors and different π‐conjugated bridges, are reported. All these stable orga