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Pyrolysis of 1,1,2,2,2-tetramethyl-1,2-disila-3,6-dithiacyclohexane; Evidence for dimethylsilathione [(CH3)2SiS] intermediates by H.S.Dilanjan Soysa; Il Nam Jung; William P. Weber is a Chemistry article available to read on EtoBox.

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The pyrolysis of lC,1,2,2-tetramethyl-l,2-disila-3,6-dïthiacyc~ohexane (1) yields 1,1-dimethyl-l-sila-2,klithiacyclopentane (II), 1,1,2,2,4,4-hexamethyl-1,2,4-trisila-3,5dithiacyclopentane (III) and ethylene in equal amour&. While pyrolysis of a mixture of 1 and tetramethylcyclodisilthiane yields equal amounts of II, III, and no ethylene. Finally, pyrolysis oî a mixture of 1 and hexamethylcyclotrisiloxane yields 1,1,3,3,5,5,7,7-octamethyl-2,4,6-trioxo-1,3,5,7-tetrasila-%thiacyclooctane\_ Possible mechanisms to explain these results are presented. In addition, the first example of insertion of dimethylsilylene into a silicon-sulfur single bond is reported.

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Author

H.S.Dilanjan Soysa; Il Nam Jung; William P. Weber

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

1979

Language

EN

Field

Chemistry (Physical Sciences)