Patent ID: 6531626
Filing Date: 2003-03-11
Classification: C07C

Abstract:
A method for producing cyclopropanecarboxylate of formula (3): wherein R1, R2, R3, R4, and R5 each independently represent:a hydrogen atom, a halogen atom, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted aralkyl group or an optionally substituted aryl group; and R7 represents:an optionally substituted alkyl group, an optionally substituted aralkyl group, or an optionally substituted aryl group, which comprises: reacting a cyclopropanecarboxylate of formula (1) â€ƒwherein R1, R2, R3, R4, and R5 are as defined above, and R6 represents an alkyl group having 1 to 10 carbon atoms, a vinyl group, or an optionally substituted phenyl group, with a monohydroxy compound of formula (2): R7OHâ€ƒâ€ƒ(2) â€ƒwherein R7 is the same as defined above, in the presence of a samarium alkoxide, and provided that R6 and R7 are different.