Study of the Reactivities of Acid-Catalyzed O-Benzylating Reagents Based on Structural Isomers of 1,3,5-Triazine
作者:Hikaru Fujita、Naoko Hayakawa、Munetaka Kunishima
DOI:10.1021/acs.joc.5b02059
日期:2015.11.6
5-triazine-2,4(1H,3H)-dione (MonoBOT), which have been previously suggested as reaction intermediates of the acid-catalyzed benzylation of 2,4,6-tris(benzyloxy)-1,3,5-triazine (TriBOT). We studied the effect on the reactivity of acid-catalyzed O-benzylation caused by the isomeric core triazine structures in these compounds by carrying out a kinetic study and estimating relative basicities using model compounds
我们已经证明了4,6-双(苄氧基)-1,3,5-triazin-2(1 H)-one(DiBOT)和6-(苄氧基)-1,3,5-三嗪的O-苄基化能力-2,4(1 H,3 H)-二酮(MonoBOT),先前已被建议作为酸催化的2,4,6-三(苄氧基)-1,3,5-三嗪苄基反应的中间体(TriBOT)。我们通过进行动力学研究并使用模型化合物估算相对碱性,研究了这些化合物中异构体核心三嗪结构对酸催化的O-苄基化反应活性的影响。由于MonoBOT具有优异的反应活性,因此1,3,5-三嗪-2,4(1 H,3 H)-二酮是酸催化烷基化试剂的有前途的核心结构。