1988
DOI: 10.1002/zaac.19885560123
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Extraktion von 3d‐Metallionen mit zweizähligen Sulfonamiden. I. Liganden mit Schwefel bzw. heterocyclisch gebundenem Stickstoff als zweitem Haftatom

Abstract: 2‐Acetylpyridin‐p‐toluensulfonylhydrazon (APSH‐H) als Vertreter zweizähliger heterocyclischer Arensulfonylhydrazone und die synthetisch leicht zugänglichen Arensulfonylthioharnstoffe (I), Arensulfonylmonothio‐ und ‐dithiocarbamidsäureester (II und III) werden auf ihre Eignung als Extraktionsmittel für die Ionen der späten 3d‐Elemente hin untersucht. APSH‐H kann mit dem kommerziellen Extraktanten LIX 34 verglichen werden. Die pH1/2‐Werte für Nickel(II) und Cobalt(II) liegen jedoch wegen der besonderen Struktur … Show more

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Cited by 14 publications
(1 citation statement)
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“…Arenesulfonylthioureas of the type ArSO 2 NHC­(S)­NHR can be prepared from the reaction of an aromatic sulfonamide with alkyl- or aryl isothiocyanates in the presence of a base. , In the late 1980s, several groups examined arenesulfonylthioureas as reagents for metal extraction and isolated complexes with transition-metal ions including Ni (II) , Cu (II) , Co (II) , and Cr (III) . In principle, the monoanion of an arenesulfonylthiourea can act as either [ S,O ] − or [ S,N ] − chelating ligand, forming either six- or four-membered metallocycles (Figure ).…”
Section: Introductionmentioning
confidence: 99%
“…Arenesulfonylthioureas of the type ArSO 2 NHC­(S)­NHR can be prepared from the reaction of an aromatic sulfonamide with alkyl- or aryl isothiocyanates in the presence of a base. , In the late 1980s, several groups examined arenesulfonylthioureas as reagents for metal extraction and isolated complexes with transition-metal ions including Ni (II) , Cu (II) , Co (II) , and Cr (III) . In principle, the monoanion of an arenesulfonylthiourea can act as either [ S,O ] − or [ S,N ] − chelating ligand, forming either six- or four-membered metallocycles (Figure ).…”
Section: Introductionmentioning
confidence: 99%