supported by the National Natural Science Foundation of China(No.21672058 and No.21272063)
Fifty-three samples of multi-substituted benzylideneanilines XArCH=NArYs (abbreviated XBAYs) were synthesized and their NMR spectra were determined. An extensional study of substituent effects on the 1H NMR chemical...
Supported by the National Natural Science Foundation of China(No.21202043,21272063,21172065);the Scientific Research Fund of Hunan Provincial Education Department(11K024)~~
financially supported by the National Natural Science Foundation of China (21272063, 21072053, 20772028, 20472019 and20172043);the Scientific Research Fund of Hunan Provincial Education Department (10K025)
This paper summarizes significant progress in quantifying organic substituent effects in the last 20 years. The main content is as follows: (1) The principle of electronegativity equalization has gained wide accept...