Journal of Organometallic Chemistry p. 187 - 197 (1992)
Update date:2022-08-02
Topics:
Herrmann, Wolfgang A.
Eder, Stefan J.
Kiprof, Paul
Watzlowik, Petra
Two-step alkylation of osmium(VI) glycolate complexes mixed-alkyl oxoosmium complexes of formula (R1)2(R2)2Os=O along two different routes.Due to the chelate ligands present in the starting compounds, square-pyramidal alkyl complexes of cis-geometry (R1/R1 and R2/R2 respectively) are obtained in stereoselective reactions.The crystal and molecular structure of dimethyl(2,3-dimethylbutane-2,3-diolato)oxoosmium(VI) (4a) has been determined by X-ray diffraction, again revealing a square-pyramidal core geometry with the oxo ligand at the apex position
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(2016)Doi:10.1021/ja00976a023
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