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Metallkomplexe in Biologie und Medizin, V. Neue Hydroxycarboxylat‐Komplexe von Bismut. Synthese und Struktur von Bismut(III)‐malat‐monohydrat und Bismut(III)‐tartrat‐trihydrat
Author(s) -
Herrmann Wolfgang A.,
Herdtweck Eberhardt,
Scherer Wolfgang,
Kiprof Paul,
Pajdla Liba
Publication year - 1993
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19931260109
Subject(s) - chemistry , tartrate , bismuth , deprotonation , tartaric acid , denticity , crystal structure , chelation , medicinal chemistry , stereochemistry , inorganic chemistry , crystallography , organic chemistry , ion , citric acid
Metal Complexes in Biology and Medicine, V. — New Bismuth Hydroxycarboxylate Complexes. Synthesis and Structure of Bismuth(III) Malate Monohydrate and Bismuth(III) Tartrate Trihydrate Reaction of Bi(NO 3 ) 3 · 5 H 2 O with L ‐(–)‐malic acid results in the formation of bismuth(III) malate monohydrate Bi[O 2 CCH 2 CH(O)CO 2 ] · H 2 O ( 1 ) containing the tridentate ligand [ L ‐(–)‐malate] 3– with all donating functions deprotonated. By way of contrast, reaction of Bi(NO 3 ) 3 · 5 H 2 O with L ‐(+)‐tartraic acid gives bismuth(III) tartrate trihydrate ( 2 ), in which two different tartrate ligands, [ L ‐(+)‐tartrate] 1– and [ L ‐(+)‐tartrate] 2– are present. The solid‐state structures have been determined by single‐crystal X‐ray methods and confirmed by powder diffraction measurements. The structure analyses exhibit a three‐dimensional network in the crystalline state resulting from bridging and chelating properties of the polydentate hydroxycarboxylate ligands. Bismuth shows high coordination numbers.