Journal of organometallic chemistry

Contributions to the chemistry of silicon-sulphur compounds: LV. Isosteric isobutyl (isopropoxy) silanethiols. Preparation and spectroscopic properties

J Pikies, W Wojnowski

Index: Pikies, J.; Wojnowski, W. Journal of Organometallic Chemistry, 1989 , vol. 378, p. 317 - 326

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Citation Number: 7

Abstract

Abstract The reactions of isobutyl (isopropoxy) silyl bromides i-Bu n (i-PrO) 3− n SiBr (n= 0– 3) with H 2 S in the presence of Et 3 N yield the corresponding silanethiols, i-Bu n (i-PrO) 3− n SiSH. The transition energy σ→ σ★ and the IP of Si S bond, as well as the first IP of sulphur lone pairs do not change significantly as the number of electronegative i-PrO groups is varied. The geminal anomeric effects seems to be the reason for the increased reactivity ...

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