| 摘要 |
Optically active bisoxazoline compounds represented by the general formula (1), a process for producing the compounds, and a process for producing cyclopropanecarboxylic esters by using the same: wherein R1 and R2 are the same and each represents C1-6 alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted phenyl or R1 and R2 are bonded each other together with the carbon atom of oxazoline ring to which they are bonded to form a ring; R3 is substituted or unsubstituted naphthyl; R4 and R5 are the same and each represent hydrogen or C1-6 alkyl, or R4 and R5 are bonded each other together with the carbon atom to which they are bonded to form a cycloalkyl ring having 3 to 6 carbon atoms; and * represents an asymmetric center.
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