Fluorine-containing pyrazole compound and production method therefor

1 . A fluorine-containing pyrazole compound represented by the following general formula (1):

wherein R represents a hydrocarbon group having 1 to 12 carbon atoms; and a ring Z represents a phenyl group having at least one substituent selected from the group consisting of halogen atoms, halogenated alkyl groups, nitro group, alkoxy groups, halogenated alkoxy groups, and sulfonyl groups, or a condensed ring containing no heteroatom as a ring atom.

2 . The fluorine-containing pyrazole compound according to claim 1 , wherein a number of π electrons constituting the ring Z is 6, 10, 14, 18 or 22.

3 . A method for producing a fluorine-containing pyrazole compound, comprising reacting a fluoroisobutylene derivative represented by the following general formula (2) with a compound represented by the following general formula (3) or a salt thereof to obtain a fluorine-containing pyrazole compound represented by the following general formula (1):

wherein

R represents a hydrocarbon group having 1 to 12 carbon atoms; and a ring Z represents a phenyl group having at least one substituent selected from the group consisting of halogen atoms, halogenated alkyl groups, nitro group, alkoxy groups, halogenated alkoxy groups, and sulfonyl groups, or a condensed ring containing no heteroatom as a ring atom.

4 . A method for producing a fluorine-containing pyrazole compound, comprising reacting a fluoroisobutane derivative represented by the following general formula (4) with a compound represented by the following general formula (3) or a salt thereof to obtain a fluorine-containing pyrazole compound represented by the following general formula (1):

wherein

R represents a hydrocarbon group having 1 to 12 carbon atoms,

X represents a halogen atom, —OA 1 , —SO m A 1 where m is an integer of 0 to 3, or —NA 1 A 2 ,

A 1 and A 2 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and

a ring Z represents a phenyl group having a substituent, or a condensed ring containing no heteroatom as a ring atom.

5 . The method for producing a fluorine-containing pyrazole compound according to claim 3 , wherein a step of obtaining a fluorine-containing pyrazole compound is carried out in the presence of a fluoride ion scavenger.

6 . The method for producing a fluorine-containing pyrazole compound according to claim 3 , wherein a number of π electrons constituting the ring Z is 6, 10, 14, 18, or 22.

7 . The method for producing a fluorine-containing pyrazole compound according to claim 4 , wherein a step of obtaining a fluorine-containing pyrazole compound is carried out in the presence of a fluoride ion scavenger.

8 . The method for producing a fluorine-containing pyrazole compound according to claim 4 , wherein a number of π electrons constituting the ring Z is 6, 10, 14, 18, or 22.

9 . The method for producing a fluorine-containing pyrazole compound according to claim 5 , wherein a number of π electrons constituting the ring Z is 6, 10, 14, 18, or 22.

10 . The method for producing a fluorine-containing pyrazole compound according to claim 7 , wherein a number of π electrons constituting the ring Z is 6, 10, 14, 18, or 22.