CAJ | 학술논문

以DMBA(1,3-二甲基巴比妥酸)为底物,通过其原位分解产物H2 C2 O4(草酸)的自组装,分别制备了两种新颖的由压力调控的二维层状配位聚合物{[Y(C2O4)1.5(H2O)2]·H2O}n(1)和{[Y(C2O4)1.5(H2O)3]·2H2O}n(2)。在水热合成条件下,考察了不同阳离子、阴离子及溶剂对终产物分离的影响。结果显示,配合物(1)的构筑需在Y(Ⅲ)离子及去离子水同时存在的条件下完成。在此基础上,对反应机理进行了初步探究,发现氧化反应、亲核加成反应及消除反应等多种有机转化过程或可诱导原位开环产物的形成。
이DMBA(1,3-이갑기파비타산)위저물,통과기원위분해산물H2 C2 O4(초산)적자조장,분별제비료량충신영적유압력조공적이유층상배위취합물{[Y(C2O4)1.5(H2O)2]·H2O}n(1)화{[Y(C2O4)1.5(H2O)3]·2H2O}n(2)。재수열합성조건하,고찰료불동양리자、음리자급용제대종산물분리적영향。결과현시,배합물(1)적구축수재Y(Ⅲ)리자급거리자수동시존재적조건하완성。재차기출상,대반응궤리진행료초보탐구,발현양화반응、친핵가성반응급소제반응등다충유궤전화과정혹가유도원위개배산물적형성。
Two new 2D pressure-dependent complexes,the polymeric {[Y(C2O4)1.5(H2O)2]·H2O}n (1) and{[Y(C2O4)1.5(H2O)3]·2H2O}n(2),were successfully obtained in one-step reaction through the in situ formed (C2O4)2 -(H2C2O4 = oxalic acid) ligand synthesis of DMBA (DMBA=1,3-dimethyl-barbitiric acid) molecule. The effect of metal ions,anions or solvents in the hydrothermal synthesis sys-tems on the isolated products showed that the formation of (1) strictly relied on the use of Y(Ⅲ) ion and H2 O,and the multiple reactions of oxidation,nucleophilic addition and elimination probably induced the in situ formation of ring-cleavage product. Under this condition,the polymers based on DMBA and the in situ reaction type of this newly formed carbon skeleton are both discovered for the first time.