作者:Chuan Wan、Yuanzhi Zhang、Dongyan Yang、Xiaoqiang Han、Xiuyun Li、Hong Li、Yumei Xiao、Zhaohai Qin
DOI:10.1016/j.phytol.2015.04.015
日期:2015.6
16 ABA esters including 11 new compounds were prepared by two different esterification routes. All the structures of ABA esters were confirmed by 1H NMR, 13C NMR and HRMS. Their biological activity and hydrolysis stability were investigated. Fortunately, there were 15 and 9 compounds which displayed much better or nearly the same inhibition activity for rice seedling growth and Arabidopsis thaliana
通过两种不同的酯化途径制备了包括11种新化合物在内的16种ABA酯。通过1 H NMR,13 C NMR和HRMS确认ABA酯的所有结构。研究了它们的生物活性和水解稳定性。幸运的是,与ABA相比,分别有15种和9种化合物对水稻幼苗生长和拟南芥种子发芽表现出更好或几乎相同的抑制活性。特别是,在这三个测试中,化合物2d和2g的生物活性均高于ABA。此外,我们发现这些酯在体外的化学水解能力与其生物学活性几乎没有关系。