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Fluorogenic derivatization of aryl halides based on the formation of biphenyl by Suzuki coupling reaction with phenylboronic acid.


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タイトル: Fluorogenic derivatization of aryl halides based on the formation of biphenyl by Suzuki coupling reaction with phenylboronic acid.
著者: Kishikawa, Naoya / Kubo, Kimiko / Hammad, Sherin Farouk / Mabrouk, Mokhtar Mohamed / Habib, Ahmed / Elfatatry, Hamed / Ohyama, Kaname / Nakashima, Kenichiro / Kuroda, Naotaka
発行日: 2009年10月
出版者: Elsevier BV
引用: Journal of chromatography. A, 1216(40), pp.6873-6876; 2009
抄録: The fluorogenic derivatization method for aryl halide was developed for the first time. This method was based on the formation of fluorescent biphenyl structure by Suzuki coupling reaction between aryl halides and non-fluorescent phenylboronic acid (PBA). We measured the fluorescence spectra of the products obtained by the reaction of p-substituted aryl bromides (i.e., 4-bromobenzonitrile, 4-bromoanisole, 4-bromobenzoic acid ethyl ester and 4-bromotoluene) with PBA in the presence of palladium (II) acetate as a catalyst. The significant fluorescence at excitation maximum wavelength of 275-290 nm and emission maximum wavelength of 315-350 nm was detected in all the tested aryl bromides. This result demonstrated that non-fluorescent aryl bromides could be converted to the fluorescent biphenyl derivatives by the coupling reaction with non-fluorescent PBA. We tried to determine these aryl bromides by HPLC-fluorescence detection with pre-column derivatization. The aryl bromide derivatives were detected on the chromatogram within 30 min without any interfering peak derived from the reagent blank. The detection limits (S/N=3) for aryl bromides were 13-157 fmol/injection.
キーワード: Aryl halide / Fluorescence derivatization / Fluorogenic / Phenylboronic acid / Suzuki coupling reaction
URI: http://hdl.handle.net/10069/22230
ISSN: 00219673
DOI: 10.1016/j.chroma.2009.08.040
PubMed ID: 19717162
権利: Copyright © 2009 Published by Elsevier B.V.
資料タイプ: Journal Article
原稿種類: author
出現コレクション:110 学術雑誌論文

引用URI : http://hdl.handle.net/10069/22230

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