求助双键上没有氢原子的情况下,如何判断Z还是E构型?For a differences in the ‘H NMR spectra of the E and Z isomers of substituted triarylethylenes, see: Collins, D. J.; Hobbs, J. J.; Emmens, C. W. J. Med. Chem. 1971,14,952-957. Bedford, G. R.; Richa ... Bedford, G. R.; Richa查看更多