Matches in SemOpenAlex for { <https://semopenalex.org/work/W4308184612> ?p ?o ?g. }
- W4308184612 abstract "Double hydrosilylation of alkynes represents a straightforward method to synthesize bis(silane)s, yet it is challenging if α-substituted vinylsilanes act as the intermediates. Here, a cobalt-catalyzed regiodivergent double hydrosilylation of arylacetylenes is reported for the first time involving this challenge, accessing both vicinal and geminal bis(silane)s with exclusive regioselectivity. Various novel bis(silane)s containing Si-H bonds can be easily obtained. The gram-scale reactions could be performed smoothly. Preliminarily mechanistic studies demonstrated that the reactions were initiated by cobalt-catalyzed α-hydrosilylation of alkynes, followed by cobalt-catalyzed β-hydrosilylation of the α-vinylsilanes to deliver vicinal bis(silane)s, or hydride-catalyzed α-hydrosilylation to give geminal ones. Notably, these bis(silane)s can be used for the synthesis of high-refractive-index polymers (nd up to 1.83), demonstrating great potential utility in optical materials." @default.
- W4308184612 created "2022-11-09" @default.
- W4308184612 creator A5007549208 @default.
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- W4308184612 creator A5056987545 @default.
- W4308184612 creator A5070257578 @default.
- W4308184612 creator A5070489845 @default.
- W4308184612 date "2022-11-29" @default.
- W4308184612 modified "2023-10-18" @default.
- W4308184612 title "Cobalt‐Catalyzed Regiodivergent Double Hydrosilylation of Arylacetylenes" @default.
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