The 1H, 13C, 15N and 117Sn NMR study of the intramolecular Sn–N interaction in tri- and tetraorganotin compounds containing the chiral 2-(4-isopropyl-2-oxazolinyl)-5-phenyl ligand
tetraorganotin compounds containing the optically active 2-(4-isopropyl-2-oxazolinyl)-5-phenyl ligand has been synthesized. All the novel compounds have been characterized, especially by means of the multinuclear NMR investigation, the results of which are discussed. A number of arguments based on the 13 C, 15 N and 117 Sn NMR and X-ray studies support the intramolecular donor–acceptor coordination between
摘要 合成了一系列含有光学活性2-(4-异丙基-2-恶唑啉基)-5-苯基配体的新型三和四有机锡化合物。所有新化合物都已被表征,特别是通过多核 NMR 研究,其结果被讨论。基于 13 C、15 N 和 117 Sn NMR 和 X 射线研究的许多论点支持锡烷中锡和氮原子之间的分子内供体-受体配位。配位锡氢化物中的 J ( 15 N– 117/119 Sn) 耦合常数值首次清楚地表明锡的配位数大于 4。