Disclosed are aromatic spiroketal diphosphine ligands, preparation methods and uses thereof. The ligands have the structure of formula (I), in which R1, R2, R3, R4, R5, R6, R7, R8, X and n are defined as such described in the specification. The aromatic spiroketal diphosphine ligands are prepared from aromatic spiroketal compounds. Also disclosed are the preparation methods of aromatic spiroketal compounds. The preparation methods are simple and can produce racemic or chiral aromatic spiroketal diphosphine ligands. The ligands can be used as catalysts of asymmetrical catalytic reactions having economical practicability and industry application prospect.
本发明公开了芳香族螺酮二
膦配体及其制备方法和用途。这些
配体具有式(I)结构,其中 R1、R2、R3、R4、R5、R6、R7、R8、X 和 n 的定义如说明书所述。芳香族螺酮二
膦配体由芳香族螺酮化合物制备。还公开了芳香族螺酮化合物的制备方法。制备方法简单,可制备外消旋或手性芳族螺酮二
膦配体。这些
配体可用作不对称催化反应的催化剂,具有经济实用性和工业应用前景。