主权项 |
1. A compound of Formula (FX1):wherein
X1, X2, X3, X4, and X5 are each independently C or N, wherein when X1, X2, X3, X4, or X5 is N, the corresponding R10, R11, R12, R13, or R14 is absent; one of R10, R11, R12, R13, R14, R3, R7, R8, or R9 contains a polar group selected from the group consisting of: a sulfonamide group, a nitro group, an amino group, a carboxylate group, a sulfonyl group, and an aryl sulfonyl group; the others of R10, R11, R12, R13, R14, R3, R7, R8, or R9 are each independently selected from the group consisting of: hydrogen, halogen, a hydroxyl group, a sulfonamide group, a nitro group, an amino group, a carboxylate group, a sulfonyl group, an aryl sulfonyl group, an alkoxy group, C1-C6 alkyl, C1-C6 alkoxy, and C2-C6 alkenyl; n and m are each independently 1, 2 or 3; R4 and R5 are each independently CH or N; A is O or S; R6 is hydrogen or C1-C6 alkyl; X is oxygen; and R2 is hydrogen, C1-C6 alkyl, or C1-C6 alkoxy. |