Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 130, Issue 30, Pages 9662-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja803774s
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The nickel-catalyzed coupling of aldehydes, alkynes, and dialkylsilanes results in an unusual dehydrogenative cyclocondensation process to afford five-membered silacyclic products. The process allows dialkylsilanes to serve as a silylene synthetic equivalent. A mechanistic pathway for the process involving the formation of an aldehyde/alkyne-derived nickel metallacycle followed by sequential sigma-bond metathesis processes involving the two Si-H bonds has been proposed.
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