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Dehydrogenative cyclocondensation of aldehydes, alkynes, and dialkylsilanes
Baxter, Ryan D.,Montgomery, John
, p. 9662 - 9663 (2008)
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 σ-bond metathesis processes involving the two Si-H bonds has been proposed. Copyright
