光学活性ビスオキサゾリン化合物、不斉触媒およびそれを用いた光学活性シクロプロパン化合物の製造方法

摘要

An optically active bisoxazoline compound represented by formula (1):
wherein R 1 , R 2 and R 3 each independently represent an alkyl group having 1 to 8 carbon atoms, a phenyl group or a benzyl group, n represents an integer of 0 to 3 and * represents an asymmetric center.