| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel compound used as a raw material of a compound represented by the formula (5).SOLUTION: There is provided a compound represented by the formula (1) and a salt thereof. In the formulas (5) and (1), R, Rand Rrepresent each independently a hydrogen atom, a cyano group, -NRR, -C(=O)NRR, an alkyl group having 1 to 6 carbon atoms which may have a substituent, an alkoxy group having 1 to 6 carbon atoms which may have a substituent, a phenyl group which may have a substituent or a 5- or 6-membered heterocyclic group which may have a substituent, Rrepresents an alkyl group having 1 to 6 carbon atoms which may have a substituent, an aryl group having 6 to 10 carbon atoms which may have a substituent or an aralkyl group having 7 to 11 carbon atoms which may have a substituent, Rrepresents a chain hydrocarbon group having 1 to 6 carbon atoms which may have a substituent or an alicyclic hydrocarbon group having 3 to 6 carbon atoms which may have a substituent. |
