Studies on metal-ion complex formation of crown ether derivatives incorporating a photoionizable spirobenzopyran moiety by electrospray ionization mass spectrometry | Zendy

Keiichi Kimura | Zendy; Hidefumi Sakamoto | Zendy; Shinpei Kado | Zendy; Ryuichi Arakawa | Zendy; Masaaki Yokoyama | Zendy

Open Access

Studies on metal-ion complex formation of crown ether derivatives incorporating a photoionizable spirobenzopyran moiety by electrospray ionization mass spectrometry

Author(s) -

Keiichi Kimura,

Hidefumi Sakamoto,

Shinpei Kado,

Ryuichi Arakawa,

Masaaki Yokoyama

Publication year - 2000

Publication title -

the analyst

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 153

eISSN - 1364-5528

pISSN - 0003-2654

DOI - 10.1039/b002215m

Subject(s) - merocyanine , spiropyran , chemistry , moiety , crown ether , electrospray ionization , mass spectrometry , photochemistry , metal ions in aqueous solution , metal , ion , ether , electrospray , inorganic chemistry , polymer chemistry , photochromism , organic chemistry , chromatography

Metal-ion complexation of crown ether derivatives incorporating one and two spirobenzopyran units was investigated by electrospray ionization mass spectrometry.The crowned spirobenzopyran derivatives exhibited very different metal ion-complexing behavior from their corresponding parent crown ether rings,preferring multivalent to monovalent metal ions owing to the additional ionic interaction with the nitrophenolate anion of the merocyanine moiety.The on-line photochemical reaction for mass spectrometry indicated that the metal ion-complexing ability and ion selectivities of the crowned spirobenzopyrans can be switched photochemically,taking advantage of the difference between the spiropyran and merocyanine isomers

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