Carboxylate-directed tandem functionalisations of α,β-dihaloalkenoic acids with 1-alkynes: a straightforward access to (Z)-configured, α,β-substituted γ-alkylidenebutenolides

MeSH terms

• 4-Butyrolactone / analogs & derivatives*
• 4-Butyrolactone / chemical synthesis
• 4-Butyrolactone / chemistry
• Alkynes / chemistry*
• Carboxylic Acids / chemistry*
• Catalysis
• Hydrocarbons, Halogenated / chemistry*
• Molecular Structure
• Stereoisomerism