Binaphthyl compound, liquid crystal composition, liquid crystal element, and liquid crystal display device

A compound represented by a formula (G1-1),

• wherein in the formula (G1-1):
• Ar1 represents any one of an arylene group having 6 to 12 carbon atoms, a cycloalkylene group having 3 to 12 carbon atoms, and a cycloalkenylene group having 3 to 12 carbon atoms, and k is any one of 1 to 3;
• R2 represents any one of hydrogen, an alkyl group having 1 to 12 carbon atoms, and an alkoxy group having 1 to 12 carbon atoms;
• Ar2 represents any one of an arylene group having 6 to 12 carbon atoms, a cycloalkylene group having 3 to 12 carbon atoms, and a cycloalkenylene group having 3 to 12 carbon atoms, and m is any one of 0 to 3;
• and
• R3 represents any one of hydrogen, an alkyl group having 1 to 12 carbon atoms, and an alkoxy group having 1 to 12 carbon atoms.

A compound represented by a formula (G1-2),

• wherein in the formula (G1-2):
• Ar1 represents any one of an arylene group having 6 to 12 carbon atoms, a cycloalkylene group having 3 to 12 carbon atoms, and a cycloalkenylene group having 3 to 12 carbon atoms, and k is any one of 1 to 3;
• R2 represents any one of hydrogen, an alkyl group having 1 to 12 carbon atoms, and an alkoxy group having 1 to 12 carbon atoms;
• Ar2 represents any one of an arylene group having 6 to 12 carbon atoms, a cycloalkylene group having 3 to 12 carbon atoms, and a cycloalkenylene group having 3 to 12 carbon atoms, and m is any one of 0 to 3;
• and
• R3 represents any one of hydrogen, an alkyl group having 1 to 12 carbon atoms, and an alkoxy group having 1 to 12 carbon atoms.