Keyphrases
1H NMR Spectra
16%
2-Butene
16%
Alkenes
16%
Carbonyl
16%
Coumarin
100%
Cycloaddition
100%
Dimerization
16%
Electronic Structure
16%
Electrophilicity
16%
Irm-NMR
16%
Isomeric
16%
Lewis Acid Catalysis
100%
Lewis Acids
33%
Photochemical Behavior
16%
Photochemical Reaction
100%
Photodimerization
100%
Reaction Yield
16%
Retention of Configuration
16%
Room-temperature Fluorescence
16%
Singlet
33%
Singlet State
83%
State Reaction
33%
Structure Behavior
16%
Triplet
16%
Triplet State
33%
UV Spectra
16%
Chemistry
1H NMR Spectrum
16%
Acid Catalysis
100%
Alkene
16%
Ambient Reaction Temperature
16%
Butene
16%
Complexation
50%
Coumarin
100%
Dimerization
16%
Electronic State
16%
Electrophilicity
16%
Ground State
16%
Lewis Acid
100%
Photochemical Reaction
100%
Photodimerization
100%
Reaction Yield
16%
Singlet State
83%
Triplet State
33%
Ultraviolet Spectrum
16%