Processes for producing...

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C - Chemistry, Metallurgy

07

C

C07C 67/32 (2006.01) C07C 67/343 (2006.01) C07C 69/65 (2006.01) C12P 41/00 (2006.01)

Patent

CA 2582840

Disclosed is a method for efficiently producing (4E)-5-chloro-2-isopropyl-4- pentenoate with high yield. Specifically, a compound represented by the formula (2) below is reacted with a base in the presence of a non-protic solvent, and then reacted with (1E)-1,3-dichloro-1-propene in the same reaction vessel, thereby obtaining a compound represented by the formula (3) below. Next, one of the -COOR groups in the compound represented by the formula (3) is substituted by a hydrogen atom in the same reaction vessel, thereby obtaining a compound represented by the formula (4) below. In this connection, R represents a lower alkyl group or an aralkyl group.

La présente invention a pour objet une méthode de synthèse efficace de (<i

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