作者:C. D. Willett、R. N. Lerch、C.-H. Lin、K. W. Goyne、N. D. Leigh、C. A. Roberts
DOI:10.1021/acs.jafc.6b01017
日期:2016.6.22
The role of benzoxazinones (Bx, 2-hydroxy-2H-1,4-benzoxazin-3(4H)-one) in triazine resistance in plants has been studied for over half a century. In this research, fundamental parameters of the reaction between DIBOA-Glc (2-β-d-glucopyranosyloxy-4-hydroxy-1,4-benzoxazin-3-one) and atrazine (ATR, 6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine) were examined. Through a series of experiments
已经研究了苯并恶嗪酮(Bx,2-羟基-2 H -1,4-苯并恶嗪-3(4 H)-one)在植物中对三嗪的抗性中的作用。在这项研究中,DIBOA-Glc(2-β- d-吡喃葡萄糖基氧基-4-羟基-1,4-苯并恶嗪-3-one)与at去津(ATR,6-氯-N-乙基-N)之间反应的基本参数检查了'-(1-甲基乙基)-1,3,5-三嗪-2,4-二胺)。通过一系列采用各种色谱和光谱技术的实验,根据反应物和产物的动力学,化学计量,反应中间体的鉴定以及形成的反应产物对DIBOA-Glc / ATR反应进行了表征。这些实验结果表明,反应机理是通过DIBOA-Glc的异羟肟酸部分在三嗪环的C-2位上的亲核攻击而形成的,形成羟基阿特拉津(HA,2-hydroxy-4-ethylamino-6-isopropylamino- s-三嗪),以及相关的DIBOA-Glc降解。反应物的降解遵循一级动力学,具有DIBO