Chin. J. Org. Chem. ›› 2000, Vol. 20 ›› Issue (2): 206-212. Previous Articles     Next Articles

β- 丁氧酯基三氯化锡与席夫碱配合物的合成、结构与酯交换反应

李忠芳;王素文;谭小耀;傅芳信;潘华德   

  1. 山东工程学院科技研究院;东北师范大学化学系.长春(130024)
  • 发布日期:2000-04-25

Synthesis, crystal structure, transesterifications of the complex of β- butoxycarbonylethyltin trichlorides with schiff base ligands

Li Zhongfang;Wang Suwen;Tan Xiaoyao;Fu Fangxin;Pan Huade   

  1. NE Normal Univ, Dept Chem.Changchun(130024)
  • Published:2000-04-25

Title complex n-BuO2CCH2CH2SnCl2SnCl3. (2 -HOC6H4CH=NC6H4OMe-4') was synthesized and characterized by elemental analysis, UV - Vis, IR, ^1H NMR. The crystal structure was determined by the X - ray diffraction analysis. The crystal belong to monoclinic system, system, space group P2 1/c with a =1.4661(3), b =).9307(2), c =1.7888(4)nm, β=94. 04(3)°; Z=4. The complex exists as a discrete molecule, and the in atom attains a distorted octahedral geometry vis the coordination of intramolecular carbonyl oxygen and [henolic oxygen of the Schiff base. The coordination number of tin atom is 6. The transesterification ot title complex with ROH was studied and 8 new complexes RO2CCH2CH2SnCl3. (2-HOC6H4CH = NC6H4OM2 -4') (R=Me, Et, Pr, i - Bu, n - Am, i-Am, Cl - C2H4, (CH3CH2)2CHCH2 -) were obtained. The possibel mechanism is suggested

Key words: TIN COMPLEX, SCHIFF BASE, TRANSESTERIFICATION, CRYSTAL STRUCTURE

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