The present invention provides: a mononuclear metal complex that has high catalytic activity and can be used as a hydrogenation reduction catalyst that allows efficient hydrogenation reduction of a substance to be reduced; a tautomer or stereoisomer thereof; or a salt thereof. Provided is the mononuclear metal complex represented by the following formula (1), a tautomer or stereoisomer thereof; or a salt thereof.
In the formula (1), Ar1 is an aromatic anionic ligand or an aromatic ligand, or is not present, Ar2 is a ligand having aromaticity and may or may not be substituted, and when Ar2 is substituted, the number of substituents may be one or more, M is an atom or ion of a transition metal, A1 and A2 are both carbon atoms, or one of A1 and A2 is a carbon atom and the other is a nitrogen atom, Y is an anionic group or a cationic group, or is not present, L is any ligand or is not present, and m is a positive integer, 0, or a negative integer.
本发明提供了:一种具有高催化活性并可用作氢化还原催化剂的单核
金属络合物,可对待还原物质进行高效氢化还原;其同系物或立体异构体;或其盐。本发明提供了由下式(1)表示的单核
金属配合物、其同分异构体或立体异构体;或其盐。
式(1)中,Ar1 是芳香阴离子
配体或芳香
配体,或不存在;Ar2 是具有芳香性的
配体,可以被取代,也可以不被取代,当 Ar2 被取代时,取代基的数目可以是一个或多个;M 是过渡
金属的原子或离子、A1 和 A2 都是碳原子,或 A1 和 A2 中的一个是碳原子,另一个是氮原子;Y 是阴离子基团或阳离子基团,或不存在;L 是任何
配体,或不存在;m 是正整数、0 或负整数。