SYNTHESES AND UV SPECTRA OF SALICYLADEHYDE DERIVATIVES

作     者：Tang Ruiren (Department of Chemistry, Central South University of Technology,Changsha 410083,China) 

作者机构：Department of Chemistry Central South University of Technology Changsha 410083 China 

出 版 物：《Journal of Central South University》 (中南大学学报（英文版）)

年 卷 期：1998年第10卷第2期

页      面：65-67页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 

主　　题：substituted strlrylsalicyladehyde derivatives substituted effect Witting reaction UV spectra 

摘      要：Nine 5 (β substituted stylryl) salicyladehyde derivatives were prepared by PTC Witting reactions in the paper . The stereochemistry of the Witting reactions and the substituted effect on the UV spectra of salicyladehyde derivaties have been reported . It was observed that the spectra undergo a red shift as the conjugative effect of substituted becomes stronger . A good linear relationship between the shift of UV of p substituted compounds and conjugation effect was *** showed that the Hammett equation may be applied to the UV frequencies of the title compounds.