Abstract:
An optically active ketone represented by the following formula (2): wherein, Ar 1 represents a furyl group, a thienyl group or a C 6-20 aryl group; X 1 represents a halogen atom, and * indicates an asymmetric carbon atom, is produced by stereoselectively reducing an enone compound represented by the following formula (1) : wherein, Ar 1 and X 1 represent the same as the above.
Abstract translation:由下式表示的光学活性酮(2):其中,Ar 1表示呋喃基,噻吩基或C 6-20芳基; X 1 darstellt卤原子,和*表示不对称碳原子上,通过立体选择地还原到烯酮由下述式(1)表示的化合物制备:worin中,Ar 1和X 1表示与上述相同。
Abstract:
PROBLEM TO BE SOLVED: To provide an efficient method for producing an optically active 2,6-dimethylphenylalanine derivative used as an intermediate of μ/δ-opioid receptor modulator medicine.SOLUTION: This optically active 2,6-dimethylphenylalanine derivative is produced by a method including a step of obtaining 3,5-dimethyl-4-halo-cyanobenzene by performing a halogenation and cyanization reaction to 3,5-dimethylaniline.