| 主权项 |
1. A bivalent ligand of Formula I, wherein
R1 and R2 may be the same or different, and are independently selected from: H; a saturated or unsaturated, branched or unbranched, substituted or unsubstituted carbon group or chain comprising from 1-20 carbon atoms; NO−; NO−2; CO; COR8 wherein R8 is H or a saturated or unsaturated, branched or unbranched, substituted or unsubstituted carbon group or chain comprising from 1-20 carbon atoms; SO3−2; and SO4−2;R3 may be present or absent and may be H; H2; O; C1-12alkyl; —COOR9 where R9 is C1-12alkyl; CR10 where R10 is a cyclic or polycyclic saturated or unsaturated homo- or heterocyclic ring system comprising 1, 2, 3, 4, or more rings with from 3 to 7 atoms per ring in the system;R4 and R5 may be present or absent; may be the same or different, and are independently selected from H; halogen; a saturated or unsaturated, branched or unbranched, substituted or unsubstituted carbon group or chain comprising from 1-20 carbon atoms; a cyclic or polycyclic saturated or unsaturated homo- or heterocyclic ring system comprising 1, 2, 3, 4, or more rings with from 3 to 7 atoms per ring in the system, which may be fused to one or more atoms of the triazole ring; and a heteroatomic group;R6 and R7 may be the same or different, and are independently selected from: H; halogen; a saturated or unsaturated, branched or unbranched, substituted or unsubstituted carbon group or chain comprising from 1-20 carbon atoms; a cyclic or polycyclic saturated or unsaturated homo- or heterocyclic ring system comprising 1, 2, 3, 4, or more rings with from 3 to 7 atoms per ring in the system, which may be fused to one or more atoms of the hexane ring; and a heteroatomic group; andX=a branched or unbranched, saturated or unsaturated carbon chain comprising from 1-20 carbon atoms, and may include a heteroatomic group;as well as salts, protonated and unprotonated and stereoisomeric forms thereof. |
