Heterocyclic compound and use thereof

A compound represented by the formula (I):

• wherein a group represented by the formula:
• is a group represented by the formula (a):
• wherein,
• R1 is a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), a (C2-C6)alkenyl group optionally having substituent(s), a (C3-C6)cycloalkyl group optionally having substituent(s), a (C1-C6)alkoxy group optionally having substituent(s), a (C1-C6)alkylthio group optionally having substituent(s), a (C1-C6)alkylsulfinyl group optionally having substituent(s), or a (C1-C6)alkylsulfonyl group optionally having substituent(s);
• X is a group represented by the formula:
• CO—X1, S(O)n-X1 or (R2)C═C(R3) wherein X1 is a group represented by the formula:
• N(R4) or (R5)C(R6) wherein R4 and R5 are each a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), or a cyclic group optionally having substituent(s), and R6 is a (C1-C6)alkyl group optionally having substituent(s), R2 is a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), a (C1-C6)alkoxy group optionally having substituent(s), a (C1-C6)alkylthio group optionally having substituent(s), a (C1-C6)alkylsulfinyl group optionally having substituent(s), or a (C1-C6)alkylsulfonyl group optionally having substituent(s), R3 is a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), or a cyclic group optionally having substituent(s), and n is 1 or 2;
• Y is nitrogen atom or a group represented by the formula:
• C(R7) wherein R7 is a hydrogen atom, or a (C1-C6)alkyl group optionally having substituent(s);
• and
• m is 0 or 1, provided
• when m is 1, R3 or R4 is optionally bonded to a carbon atom, which is adjacent to the nitrogen atom or carbon atom bonded thereto, to form a ring,
• a group represented by the formula (b):
• wherein,
• R1′ is as defined for R1;
• and
• Z is a group represented by the formula:
• (R8)N—CO or N═C(R9) wherein R8 is a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), or a cyclic group optionally having substituent(s), and R9 is a (C1-C6)alkoxy group optionally having substituent(s), a (C1-C6)alkylthio group optionally having substituent(s), a (C1-C6)alkylsulfinyl group optionally having substituent(s), or a (C1-C6)alkylsulfonyl group optionally having substituent(s),
• a group represented by the formula (c):
• wherein,
• R1″ is as defined for R1;
• and
• R10 is a hydrogen atom, a (C1-C6)alkyl group optionally having substituent(s), or a cyclic group optionally having substituent(s), or
• a group represented by the formula (d):
• wherein,
• R1′″ is as defined for R1;
• and
• R11 is a hydrogen atom, a (C1-C6)alkyl group having substituent(s), or a cyclic group optionally having substituent(s);
• and
• R is a group represented by the formula:
• wherein,
• Ra is a (C1-C6)alkylene group optionally having substituent(s), or a group represented by the formula:
• —O-Rc-, -Rc-O—, —N(Rd)-Rc- or -Rc-N(Rd)- wherein Rc is a bond, or a (C1-C6)alkylene group optionally having substituent(s), and Rd is a (C1-C6)alkyl group optionally having substituent(s), or a (C3-C6)cycloalkyl group optionally having substituent(s);
• and
• Rb is a group represented by the formula:
• wherein W is an oxygen atom or a sulfur atom, which optionally has substituent(s), wherein the biphenyl group optionally further having substituent(s),
• or a salt thereof.