Alkynylcyclopropanes from terminal alkynes through consecutive coupling to Fischer carbene complexes and selective propargylene transfer.
CHEMISTRY-A EUROPEAN JOURNAL(2011)
Abstract
A very efficient protocol for accessing alkynylcyclopropanes combines the coupling of a terminal alkyne with a simple Fischer carbene complex followed by the regio- and stereoselective cyclopropanation reaction with non-activated alkenes and cyclic dienes.
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Key words
alkynes,carbenes,C-C coupling,cyclization,regioselectivity
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