| abstract |
An optically active bisoxazoline compound of the formula [I]: ##STR1## wherein R 1 represents alkyl group, cycloalkyl group, aralkyl group, phenyl group which may be substituted or alkoxy group and two geminal alkyl groups may be joined together to form a cyclic structure; n R 2 represents alkyl group, cycloalkyl group, aralkyl group, phenyl group which may be substituted; n R 3 represents hydrogen atom, (C2-C4)alkyl group or cycloalkyl group; and n the asterisk * represents an asymmetric carbon atom. |