Trianionic ligand precursor compounds, catalyst systems containing the precursor compounds, and uses of the precursor compounds are described. The present invention also provides constrained geometry catalysts, methods to make the constrained geometry catalysts and methods to use the constrained geometry catalysts in various reaction systems, including polymerization, metathesis reactions, and hydroamination reactions.
本发明涉及三阴离子
配体前体化合物、包含前体化合物的催化剂体系以及前体化合物的用途。本发明还提供了约束几何催化剂、制备约束几何催化剂的方法以及在各种反应系统中使用约束几何催化剂的方法,包括聚合、交换反应和
羟胺化反应。