Okuyama, Tadashi published the artcileSubstituent effects in the benzofuran system. I. Proton and carbon-13 chemical shifts, Name: 6-Methoxybenzofuran, the main research area is NMR benzofuran substituent effect.
PMR and 13C NMR spectra of benzofuran and its derivatives (2-Me, 3-Me, 5-Me, 6-Me, 5-MeO, 6-MeO, 5-Cl) have been measured. The chem. shifts of 2-H and 2-C of 5- and 6-substituted derivatives obeyed a modified Hammett equation, δ = ρ1σ1 + ρ2σ2 +δ0. Electronic effects were transmitted mainly through the bond 8-3. The ground state electronic structure was similar to that of styrene rather than phenyl vinyl ether.
Bulletin of the Chemical Society of Japan published new progress about Linear free energy relationship. 50551-63-8 belongs to class benzofurans, name is 6-Methoxybenzofuran, and the molecular formula is C9H8O2, Name: 6-Methoxybenzofuran.
Referemce:
Benzofuran – Wikipedia,
Benzofuran | C8H6O – PubChem