Synthesis and Selective Transport Properties of Cleft-Type Ionophores Having Two Convergent Hydroxamic Acid Functions

A series of cleft-type ionophores having two convergent hydroxamic acid functions are prepared and their selective ionophoric properties toward heavy metal and transition metal ions have been investigated. Hydroxamic acids 3 exhibited a prominent selectivity toward heavy metal ions of Hg2+ and Pb2+,...

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Published inBulletin of the Korean Chemical Society Vol. 22; no. 7; pp. 699 - 702
Main Authors 김덕희, 최미정, 장석규, Kim, Deok Hui, Choe, Mi Jeong, Jang, Seok Gyu
Format Journal Article
LanguageKorean
Published 2001
Subjects
Kemps triacid
Heavy metal ions
Hydroxamic acid
Transport
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Abstract A series of cleft-type ionophores having two convergent hydroxamic acid functions are prepared and their selective ionophoric properties toward heavy metal and transition metal ions have been investigated. Hydroxamic acids 3 exhibited a prominent selectivity toward heavy metal ions of Hg2+ and Pb2+, and transition metal ions of Cu2+ over other transition metal and alkaline earth metal ions from slightly acidic source phase (pH 6) to an acidic receiving phase (pH 1). Selective ionophoric properties toward Pb2+ and Cu2+ ions over other surveyed metal ions are also confirmed by the FAB-MS measurements.
AbstractList A series of cleft-type ionophores having two convergent hydroxamic acid functions are prepared and their selective ionophoric properties toward heavy metal and transition metal ions have been investigated. Hydroxamic acids 3 exhibited a prominent selectivity toward heavy metal ions of Hg2+ and Pb2+, and transition metal ions of Cu2+ over other transition metal and alkaline earth metal ions from slightly acidic source phase (pH 6) to an acidic receiving phase (pH 1). Selective ionophoric properties toward Pb2+ and Cu2+ ions over other surveyed metal ions are also confirmed by the FAB-MS measurements.
Author 장석규
김덕희
최미정
Kim, Deok Hui
Choe, Mi Jeong
Jang, Seok Gyu
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Keywords Kemps triacid
Heavy metal ions
Hydroxamic acid
Transport
Language Korean
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