“Substituent on Benzenesulfonyl Group” Effect in Use of 8-Benzenesulfonamidoquinoline Derivatives as Chelate Extractant | Zendy

Naoki Hirayama | Zendy; Noriko Sugisaka | Zendy; Junko Taga | Zendy; Syunichi Oshima | Zendy; Takaharu Honjo | Zendy

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“Substituent on Benzenesulfonyl Group” Effect in Use of 8-Benzenesulfonamidoquinoline Derivatives as Chelate Extractant

Author(s) -

Naoki Hirayama,

Noriko Sugisaka,

Junko Taga,

Syunichi Oshima,

Takaharu Honjo

Publication year - 2003

Publication title -

analytical sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.392

H-Index - 73

eISSN - 1348-2246

pISSN - 0910-6340

DOI - 10.2116/analsci.19.321

Subject(s) - chemistry , substituent , steric effects , chelation , denticity , medicinal chemistry , divalent , stereochemistry , metal , organic chemistry

"Substituent on benzenesulfonyl group" effect of 8-benzenesulfonamidoquinoline [N-(8-quinolyl)benzenesulfonamide, Hbsq] as bidentate chelate extractant for divalent metal cations was investigated with using Hbsq and its eight derivatives. Introduction of electron-withdrawing substituent on the benzenesulfonyl group in Hbsq enhanced the extractability that originated from its inductive effect. Furthermore, a bulky substituent on an ortho-position of the benzenesulfonyl group resulted in no steric effect in extraction, whereas the existence of two substituents on each ortho-position caused lower extraction performance due to steric hindrance.

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