Provided is a catalyst for asymmetric reduction, which can be produced by a convenient and safe production method, has a strong catalytic activity, and has excellent stereoselectivity. The present invention relates to a ruthenium complex represented by the following formula (1): wherein R
1
represents an alkyl group or the like; Y represents a hydrogen atom; X represents a halogen atom or the like; j and k each represent 0 or 1; R
2
and R
3
each represent an alkyl group or the like; R
11
to R
19
each represent a hydrogen atom, an alkyl group or the like; Z represents oxygen or sulfur; n
1
represents 1 or 2; and n
2
represents an integer from 1 to 3, a method for producing the ruthenium complex, a catalyst for asymmetric reduction formed from the ruthenium complex, and methods for selectively producing an optically active alcohol and an optically active amine using the catalyst for asymmetric reduction.
提供了一种不对称还原催化剂,可以通过方便安全的生产方法生产,具有强大的催化活性和优异的立体选择性。本发明涉及一种由以下公式(1)表示的
钌配合物:其中,R1表示烷基或类似物;Y表示氢原子;X表示卤原子或类似物;j和k各代表0或1;R2和R3各表示烷基或类似物;R11至R19各代表氢原子、烷基或类似物;Z表示氧或
硫;n1表示1或2;n2表示1至3的整数,以及制备该
钌配合物的方法、由该
钌配合物形成的不对称还原催化剂,以及使用该不对称还原催化剂选择性地生产光学活性醇和光学活性胺的方法。