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Updated: Jul 16, 2026

Light-driven Enzymatic Decarboxylation
Published on: May 22, 2016
Nickel-catalyzed reductive coupling of alkynes and epoxides
Carmela Molinaro1, Timothy F Jamison
1Massachusetts Institute of Technology, Department of Chemistry, Cambridge, MA 02139, USA.
Abstract:
Nickel-catalyzed, intramolecular and intermolecular reductive coupling of alkynes and epoxides affords synthetically useful homoallylic alcohols of defined alkene geometry. Very high regioselectivity is generally observed, and cyclizations proceed with complete selectivity for endo epoxide opening. This catalytic reaction represents the first use of a non-pi-based electrophile in a growing class of nickel-catalyzed, multicomponent coupling reactions, and is the first catalytic method of reductive coupling of alkynes and epoxides that is effective for both intermolecular and intramolecular cases, and mechanistically distinct from these, possibly involving a nickella(II)oxetane.
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