partial hydrolysis and derivatization of (MeO)3 Si(CH2 )11 N3 . The soluble Pd complex 1 thus obtained undergoes further hydrolysis to give an insoluble supported complex. Both materials are effective catalysts for the cyclotrimerization of alkynes. Hence, this methodology allows the soluble analogue of a heterogeneous catalyst to be studied by high-resolution solution NMR spectroscopy. TMS=SiMe3
通过(MeO)3 Si(CH 2)11 N 3的部分
水解和衍生化,获得了可控制溶解度的负载型
催化剂。由此获得的可溶性Pd络合物1进一步
水解,得到不溶的负载型络合物。两种材料都是
炔烃环三聚的有效
催化剂。因此,该方法允许通过高分辨率溶液NMR光谱研究非均相
催化剂的可溶性类似物。
TMS = SiMe 3,py = 2-
吡啶基。