| 主权项 |
1. Compound having one of the four general structures I to IV: where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18 are selected from: —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl, —O—(C6-C20)-aryl, —(C6-C20)-aryl, —S-alkyl, —S-aryl, halogen, COO—(C1-C12)-alkyl, CONH—(C1-C12)-alkyl, —CO—(C1-C12)-alkyl, —CO—(C6-C20)-aryl, —COOH, —OH, —SO3H, —CN, —NH2, —N[(C1-C12)-alkyl]2; R1′, R2′, R3′, R4′, R5′, R6′, R7′, R8′, R9′, R10′, R11′, R12′, R13′, R14′, R15′, R16′, R17′, R18′ are selected from: —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl, —O—(C6-C20)-aryl, —(C6-C20)-aryl, —S-alkyl, —S-aryl, halogen, COO—(C1-C12)-alkyl, CONH—(C1-C12)-alkyl, —CO—(C1-C12)-alkyl, —CO—(C6-C20)-aryl, —COOH, —OH, —SO3H, —NH2, —N[(C1-C12)-alkyl]2; R1″, R2″, R3″, R4″, R5″, R6″, R7″, R8″, R9″, R10″, R11″, R12″, R13″, R14″, R15″, R16″, R17″, R18″ are selected from: —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl, —O—(C6-C20)-aryl, —(C6-C20)-aryl, —S-alkyl, —S-aryl, halogen, COO—(C1-C12)-alkyl, CONH—(C1-C12)-alkyl, —CO—(C1-C12)-alkyl, —CO—(C6-C20)-aryl, —OH, —SO3H, —NH2, —N[(C1-C12)-alkyl]2; where the alkyl and aryl groups mentioned may be substituted. |
