Conformational Analysis of Indole Alkaloids Corynantheine and Dihydrocorynantheine by Dynamic 1H NMR Spectroscopy and Computational Methods: Steric Effects of Ethyl vs Vinyl Group

Chemistry

• Ethyl 100%
• Indole Alkaloid 100%
• 1H NMR Spectroscopy 100%
• Steric Effect 100%
• Vinyl Group 100%
• Dihydrocorynantheine 100%
• Analytical Method 100%
• Chemical Activation 60%
• Rotamer 60%
• Equilibrium 40%
• Reaction Temperature 40%
• Spectra 40%
• Ambient Reaction Temperature 40%
• Coupling Constant 40%
• Rotation 40%
• NMR Spectroscopy 40%
• Force Field 40%
• Nitrogen 20%
• Density Functional Theory 20%
• Entropy 20%
• Coalescence 20%
• Gibbs Free Energy 20%
• DFT-B3LYP Calculation 20%
• NMR Data 20%
• Ethyl Group 20%
• Density 20%
• Group 20%
• Rate 20%
• Concentration 20%
• Energy 20%
• Conformation 20%
• Methyl 20%
• Ether 20%
• Conformational Isomer 20%
• Inversion 20%
• Lineshape 20%
• Enthalpy 20%
• Nuclear Overhauser Enhanced Spectroscopy 20%