Übergangsmetall-Schwefelylid-Komplexe, XXII [1] Zur Reaktivität von DicarbonylnitrosyI-η5-thiacyclohexadienyl-1-oxid- Chromkomplexen gegenüber Phosphor- und Schwefelyliden / Transition Metal Sulfur Ylide Complexes, XXII [1] Reactivity Studies of Dicarbonylnitrosyl-η5-thiacyclohexadienyl-1-oxide Chromium Complexes with Phosphorus and Sulfur Ylides

1985 ◽  
Vol 40 (3) ◽  
pp. 373-379 ◽  
Author(s):  
Lothar Weber

3a-dη5-Thiacyclohexadienyl-1-oxide chromium complexes are generated by treatment of the 1-methyl-thiabenzene-1-oxide complexes 1a-d with Li[BHEt3] and successive nitrosylation of the intermediates 2a-d. 3a-d react with Me2S(O) = CH2 or Ph3P=CH2 at a carbonyl ligand in an additon/transylidation process to yield the very sensitive products 5, 6a-d.

1981 ◽  
Vol 36 (2) ◽  
pp. 198-204 ◽  
Author(s):  
Lothar Weber ◽  
Dorothee Vehreschild-Yzermann ◽  
Carl Krüger ◽  
Gotthelf Wolmershäuser

Abstract The X-ray crystal and molecular structure of tetraethylammonium-tricarbonyl-(3,5-diphenylthiacyclohexadienyl-1-oxide)chromate has been determined. This organo-metallic anion can be nitrosylated to yield neutral [n5-C5H3(C6H5)2SO](CO)2(NO)Cr. Further carbonyl displacement in this compound is achieved by treatment with pyridin or phosphanes in the presence of triethylamineoxide.


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