IR, 1H NMR and 119Sn Mössbauer spectroscopy indicates that the ligands are bound only through oxgen. In most cases the carboxylates are bidentate and the tin five-coordinate. The Ph3Sn and Cy3Sn derivatives contain tetrahedral tin, with monodentate carboxylates.
制备了15种类型为(R 3 Sn)2 L的新络合物,其中L是1,2-双(2'-羧苯基
氨基)-
乙烷-
丙烷和
乙二胺四乙酸的二价阴离子,R为Me, n-Pr,n-Bu,Ph或环己基(Cy)。通过IR,1 H NMR和119 SnMössbauer光谱的表征表明,
配体仅通过氧结合。在大多数情况下,
羧酸盐是双齿的,
锡是五配位的。Ph 3 Sn和Cy 3 Sn衍
生物包含四面体
锡和单齿
羧酸盐。