OPTICALLY ACTIVE COMPOUND BISOXAZOLINE, METHOD OF THEIR PREPARATION AND APPLICATION Russian patent published in 2008 - IPC C07D263/12 C07C231/02 C07C233/18 

FIELD: chemistry.

SUBSTANCE: invention refers to the optically active compounds of bisoxazoline of the formula (1) and the method of their preparation, to the new intermediate products and methods of their preparation, it also refers to cooper asymmetric complex on the basis of the bisoxazoline optically active compound of the formula (1) and the method of preparation of cyclopropalcarbon acids using the asymmetric complex. In the compound of the formula (1) , R¹ and R² are equal and each time stand for C_1-6 alkoxy group, C_1-6 alkyl group substituted by unsubstituted phenyl group or phenyl group substituted by C_1-6 alkyl or C_1-6 alkoxy group, R¹ and R² with carbon atom of oxazoline ring, to which they are joined and form cykloalkyl ring which has 3-7 carbon atoms, R³ defines unsubstituted 1-naphthyl group or 2-naphthyl group, or 1-naphthyl group or 2-naphthyl group substituted by at least one C_1-6 alkyl group or C_1-6 alkoxy group; R⁴ and R⁵ are equal and each of them stands for hydrogen atom or C_1-6 alkyl group or R⁴ and R⁵ with carbon atom, to which they are joined, form cykloalkyl ring which has 3-6 carbon atom and * mean asymmetrical center.

EFFECT: usage of the asymmetrical complex allows getting cyclopropanecarboxylic acid in high yields.

16 cl, 11 ex