Patent ID: 7595323

Claim:
N-phenyl-2-pyrimidine-amine derivative represented by the following formula (1): and its salt, in which R 1 represents 3-pyridyl or 4-pyridyl, R 2 and R 3 each represent hydrogen or lower alkyl, R 6 or R 7 represents a radical having the following formula (2): wherein X represents oxygen or NH, n=0 or 1, and R 9 represents 4-methylhomopiperazine when n=0, or 4-methylpiperazine when n=1, and R 4 , R 5 , R 7 , and R 8 each represent hydrogen, or one or two thereof each represent halogen, lower alkyl, or lower alkoxy when R 6 represents the radical of the above formula (2), or R 4 represents hydrogen and one or two of R 5 , R 6 , and R 8 each represent halogen, lower alkyl or lower alkoxy, or R 4 represents methyl or methoxy, R 5 , R 6 , and R 8 represent hydrogen, and R 9 represents 4-methylhomopiperazine, when R 7 represents the radical of the above formula (2); with the proviso that the derivative is not a compound wherein R 4 represents hydrogen and two of R 5 , R 6 , and R 8 represent halogen, lower alkyl or lower alkoxy; and the derivative is not a compound wherein R 4 represents hydrogen and one or two of R 5 , R 6 , and R 8 represent alkoxy.