在苯溶液中,将2-(2-甲酰基苯氧基)乙酸与二正丁基氧化锡进行脱水反应,获得二正丁基锡二2-(2-甲酰基苯氧基)乙酸酯(1),并经过元素分析、1H NMR和IR及晶体结构测试技术进行了结构表征. 结果表明,晶体属于C2/c空间群,晶胞参数:a=3.324 6(7) nm,b=0.484 54(10) nm,c=2.214 7(5) nm,β=131.373(2)°,V=2.677 3(9) nm3,Z=4,F(000)=1 208,Dc=1.467 g/cm3,μ=0.999 mm-1,R1=0.048 8,wR2=0.104 8. 结构单元内包含1个独立分子,形成以六配位锡为中心的斜梯形双棱锥构型;分子间的 SnO (0.346 8 nm)配位作用,中心锡原子为八配位,构成以锡为中心的扭曲的六方双锥构型的一维链状桥环化合物. 杀菌活性顺序为:化合物1＞二丁基氧化锡＞2-(2-甲酰基苯氧基)乙酸.
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