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The Syntheses and Crystal Structures of the First Disiloxane‐1,3‐dithiol and Its Cadmium Complex
Author(s) -
Ciborska Anna,
Conterosito Eleonora,
Milanesio Marco,
Kazimierczuk Katarzyna,
Rzymowska Katarzyna,
Brzozowski Krzysztof,
Dołęga Anna
Publication year - 2015
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201500457
Subject(s) - chemistry , disiloxane , dithiol , crystal structure , imidazole , pyridine , silicon , crystallography , yield (engineering) , cadmium , stereochemistry , polymer chemistry , medicinal chemistry , organic chemistry , catalysis , materials science , metallurgy
The silicon–sulfur compound bis‐1,3‐[di(2,6‐diisopropylphenoxy)]disiloxane‐1,3‐dithiol was obtained from silicon disulfide and 2,6‐diisopropylphenol in a reaction catalyzed by imidazole or 4‐(dimethylamino)pyridine (DMAP). The disiloxane‐1,3‐dithiol is produced in a low yield but in a repeatable manner and can be isolated as colorless crystals. The X‐ray crystal structure of the compound reveals a linear or close‐to‐linear Si–O–Si angle and a mutual trans position of the two hydrosulfido groups. The compound forms a chelating mononuclear complex with cadmium ions. In the complex, the sulfido groups adopt a cis conformation, and the Si–O–Siangle deviates from linearity. The molecular structure of the compound is discussed on the basis of DFT calculations.