The Structural Characterization of Amavadin

The Structural Characterization of Amavadin

Fly agaric accumulate vanadium in the form of amavadin, whose structure has been elucidated (see picture for the crystal structure). Amavadin contains one VIV center coordinated to two (S,S)‐hidpa3− ligands (H3hidpa=2,2′‐(hydroxyimino)dipropionic acid) through one η2‐NO− group and two unidentate car...

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Veröffentlicht in:Angewandte Chemie International Edition 1999-03, Vol.38 (6), p.795-797
Hauptverfasser: Berry, Robert E., Armstrong, Elaine M., Beddoes, Roy L., Collison, David, Ertok, S. Nigar, Helliwell, Madeleine, Garner, C. David
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Sprache:eng
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Amavadin
Bioinorganic chemistry
Chirality
Natural products
Structure elucidation
Vanadium
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container_end_page 797
container_issue 6
container_start_page 795
container_title Angewandte Chemie International Edition
container_volume 38
creator Berry, Robert E.
Armstrong, Elaine M.
Beddoes, Roy L.
Collison, David
Ertok, S. Nigar
Helliwell, Madeleine
Garner, C. David
description Fly agaric accumulate vanadium in the form of amavadin, whose structure has been elucidated (see picture for the crystal structure). Amavadin contains one VIV center coordinated to two (S,S)‐hidpa3− ligands (H3hidpa=2,2′‐(hydroxyimino)dipropionic acid) through one η2‐NO− group and two unidentate carboxylato groups from each ligand. The arrangement of the two η2‐NO− groups leads to a chiral vanadium center, which has been characterized in both the Λ and Δ forms. The carboxylato groups of the amavadin anions bind cations, for example, Ca2+ ions, and/or become involved in hydrogen bonding.
doi_str_mv 10.1002/(SICI)1521-3773(19990315)38:6<795::AID-ANIE795>3.0.CO;2-7
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source Wiley Online Library Journals Frontfile Complete
subjects Amavadin
Bioinorganic chemistry
Chirality
Natural products
Structure elucidation
Vanadium
title The Structural Characterization of Amavadin
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