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Synthesis of a Cp* Complex of Tungsten with Three Different Chalcogenido (O 2− , S 2− , and Se 2− ) Ligands
Author(s) -
Kawaguchi Hiroyuki,
Tatsumi Kazuyuki
Publication year - 2001
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20010401)40:7<1266::aid-anie1266>3.0.co;2-m
Subject(s) - chalcogen , tungsten , chalcogenide , selenium , sulfur , chemistry , oxygen atom , atom (system on chip) , oxygen , inorganic chemistry , crystallography , organic chemistry , molecule , computer science , embedded system
Oxygen, sulfur, and selenium all coordinate to the same tungsten atom in the mixed‐chalcogenido complex [PPh 4 ][Cp*W(O)(S)(Se)] ( 3 ; Cp*=C 5 Me 5 ), which has been prepared by the reaction of [Cp*W(O)(S)(SR)] (R=Me ( 2 a ), CH 2 Ph ( 2 b )) with Li 2 Se 2 followed by cation exchange (see scheme). This unique mixed‐chalcogenide complex is thermodynamically stable, and does not exhibit chalcogen‐exchange reactions in solution.