Synthesis, photochromic properties, and light-controlled metal complexation of a naphthopyran derivative.

Synthesis, photochromic properties, and light-controlled metal complexation of a naphthopyran derivative.
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DOI:
10.1021/ol801406b
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发表时间:
2008-09-04
期刊:
影响因子:
5.2
通讯作者:
McCurdy A
McCurdy A
中科院分区:
化学1区
文献类型:
--
作者:
Kumar S;Hernandez D;Hoa B;Lee Y;Yang JS;McCurdy A

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A light-controlled reversible binding switch based on photochromic 3H-naphtho[2,1-b]pyran is under development for studying cellular oscillatory calcium signals. The binding affinities of the closed and open forms of substituted naphthopyran 1 for Ca2+, Mg2+, and Sr2+ in buffer were determined. The photochemically ring-opened form of the receptor exhibited increased affinity compared to the thermally stable closed form of the receptor. The binding affinity difference for Ca2+ was ∼77-fold at pH 7.6.
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