| abstract |
A derivative of methyl menthol represented by the following general formula (1A): [in the formula, a double line consisting of a solid line and a dotted line is a double bond or a single bond, and a symbol * is an atom of asymmetric carbon, W is a hydrogen atom, or forms a ring with X through a single bond or an oxygen atom, X 'represents -CHO, -CO-Y' or -OZ, Y 'is a group represented by the following formula (i) or formula (ii '): (i) NR1R2 or (ii') OR3 '(in formula (i), R1 and R2 are each independently a hydrogen atom, a linear or branched alkyl group having a carbon number of 1 to 10 that can have a substituent, a linear or branched alkenyl group that has a carbon number of 2 to 10 that can have a substituent, a cycloalkyl group that has a carbon number of 3 to 10 which may have a substituent, an aryl group having a carbon number of 6 to 20 which may have a substituent or a group or heterocyclic having a carbon number of 2 to 15 which may have a substituent, and in formula (ii '), R3' is a linear or branched alkyl group having a carbon number of 1 to 10 which may have a substituent, a linear or branched alkenyl group having a carbon number of 2 to 10 that may have a substituent, a cycloalkyl group that has a carbon number of 3 to 10 that may have a substituent, an aryl group that has a carbon number of carbons 6 to 20 that may have a substituent, or a heterocyclic group that has a carbon number of 2 to 15 that may have a substituent), and Z is a group represented by the following formula (iii) or formula (vi ): (iii) R4 or (vi) COR5 (in formula (iii), R4 is a linear or branched alkyl group having a carbon number of 1 to 10 which may have a substituent, a linear or branched alkenyl group which has a carbon number from 2 to 10 that can have a substituent, a cyclo group alkyl having a carbon number of 3 to 10 which may have a substituent, an aryl group having a carbon number of 6 to 20 which may have a substituent, or a heterocyclic group having a carbon number of 2 to 15 which may have a substituent, and in formula (vi), R5 is a hydrogen atom, a linear or branched alkyl group having a carbon number of 1 to 10 which may have a substituent, a linear or branched alkenyl group which has a carbon number of 2 to 10 that can have a substituent, a cycloalkyl group that has a carbon number of 3 to 10 that can have a substituent, an aryl group that has a carbon number of 6 to 20 that can have a substituent or a heterocyclic group having a carbon number of 2 to 15 which may have a substituent)]. |