Preparation, IR and 1H NMR spectral studies of triorganotin(IV) complexes of N-benzoylglycine and N-benzoylglycylglycine
作者:G.K. Sandhu、G. Kaur
DOI:10.1016/0022-328x(90)85347-2
日期:1990.5
The triorganotin(IV) derivatives of N-benzoylglycine (HAA); R3SnAA and N-benzoylglycylglycine (HDP), R3SnDP (R = methyl, n-propyl, n-butyl, phenyl, cyclohexyl, respectively) have been prepared from the triorganotin(IV) chlorides R3SnCl and the appropriate sodium salts of the N-benzoylamino acids. N-Benzoylglycine complexes have penta-coordinate trigonal bipyramidal structure of tin(IV) with chelating
N-苯甲酰甘氨酸(HAA)的三有机锡(IV)衍生物;R 3 SnAA和N-苯甲酰基甘氨酰甘氨酸(HDP),R 3 SnDP(R =甲基,正丙基,正丁基,苯基,环己基)分别由三有机锡(IV)氯化物R 3 SnCl和适当的钠制备的盐ñ -苯甲酰氨基酸。N-苯甲酰甘氨酸络合物具有锡(IV)的五坐标三角双锥体结构,在固体和氯仿溶液中具有螯合的二齿羧酸盐基团。N-苯甲酰基甘氨酰甘氨酸络合物是五配位的并且是固态的聚合物。三有机锡(IV)基团R 3中的锡原子Sn由不相同的羧基和相邻分子的酰胺羰基的氧原子配位。络合物是非配位溶剂(CHCl 3,苯和硝基苯)中的单体。HAA复合物在溶液中保留了五坐标几何形状,这与先前报道的N-苯甲酰基-,N-乙酰基和N-甲酰基氨基酸与相应的四面体二肽的复合物相反[1-3]。