The 1H- and 13C-spectra of some azomethines of 5-amino-2-phenylindole series have been recorded and researched. It shown that, the substituents in benzene ring influenced on the chemical shift of proton on azomethine bond.
Tai, D. N., Thanh, N. D., Nam, P. D., & Duc, H. T. (2014). 1H- AND 13C-NMR SPECTRA OF SOME AZOMETHINES OF 5-AMINO-2-PHENYLINDOLE SERIES. Vietnam Journal of Chemistry, 45(5), 642. https://doi.org/10.15625/4805