Unusual reactivity of tantalum pentakis(dimethylpyrazolate) with CS2: scission of the C=S bond and formation of dmpz3CS– ligand

[Display omitted] The reaction beetwen tantalum pentakis(3,5-dimethyl-pyrazolate) and CS2 afforded novel complex [Ta(=S)(dmpz)2{(dmpz)3CS}]. In this reaction the molecule of CS2 undergoes scission with the migration of one sulfide to the tantalum atom while three pyrazolate residues migrate to carbo...

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Published inMendeleev communications Vol. 32; no. 5; pp. 579 - 581
Main Authors Petrov, Pavel A., Rogachev, Alexander V., Sukhikh, Taisiya S., Eltsov, Ilia V., Abramov, Pavel A., Sokolov, Maxim N.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2022
Subjects
amides
carbon disulfide
dithiocarbamates
pyrazolates
sulfides
tantalum complexes
dithiocarbamates
carbon disulfide
amides
pyrazolates
tantalum complexes
sulfides
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Summary:[Display omitted] The reaction beetwen tantalum pentakis(3,5-dimethyl-pyrazolate) and CS2 afforded novel complex [Ta(=S)(dmpz)2{(dmpz)3CS}]. In this reaction the molecule of CS2 undergoes scission with the migration of one sulfide to the tantalum atom while three pyrazolate residues migrate to carbon with the formation of unusual (dmpz)3CS– ligand. The structure of the product was established by X-ray diffraction.
ISSN:0959-9436
DOI:10.1016/j.mencom.2022.09.003