富电子的环辛酸酯复合物C 8 H 8 Fe(CO)3(I),C 5 H 5 CoC 8 H 8(II)和C 5 H 5 RhC 8 H 8(III)已经用铑,铱和钯的各种不饱和阳离子有机金属化合物处理,以高收率形成双金属产物。铑和铱配合物的共同结构特征是具有桥连的通量环辛酸酯和通量烯烃配体的金属-金属键。钯配合物具有静态的拟三联体结构,其桶形的环辛酸异戊烯与两个双键配位,每个双键与两个不同的有机金属部分配合。所有配合物均通过13 C NMR光谱表征。在流动性分子处于低温的情况下,末端烯烃配体的旋转运动足够慢,以便在慢交换极限下观察光谱。
“Clickphine”: A Novel and Highly Versatile P,N Ligand Class via Click Chemistry
摘要:
A novel P,N-type ligand family (ClickPhine) is disclosed that is easily accessible using the Cu(I)-catalyzed azide-alkyne "click" cycloaddition. A diverse set of ligands was made in just three steps from readily available starting materials to give several homogeneous and a heterogeneous catalyst. Preliminary experiments show the efficacy of these ligands in the Pd-catalyzed allylic alkylation reaction.