219998-27-3Relevant articles and documents
Benzothiazole-containing two-photon chromophores exhibiting strong frequency upconversion
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, (2008/06/13)
There are provided asymmetrical two-photon chromophores of the formula: D-Ar-A wherein Ar is selected from the group consisting of wherein Fl is a fluorene group of the formula: wherein R1 and R2 are alkyl groups having 2 to 20 carbon atoms, and wherein R1 and R2 are the same or different; wherein D is wherein Q is selected from the group consisting of -H, -OH and -O-CxH2x+1, wherein x has a value of 1 to 10; and wherein A is selected from the group consisting of wherein Z is selected from the group consisting of -O- and -S-.