| 主权项 |
1. A quantum dot binding ligand comprising the structure of formula I:wherein
R1, R2, R3, R7, R8, and R9 are each independently C1-20 alkyl, C2-20 alkenyl, C2-20 alkynyl, -L3-(R11)q, cycloalkyl, or aryl; R4 and R5 are each independently C1-20-alkyl, C1-20 heteroalkyl, C2-20-alkenyl, C2-20-alkynyl, cycloalkyl, or aryl, each optionally substituted with one or more Si(R12)3 groups; R6 is C1-20-alkyl, C1-20 heteroalkyl, C2-20-alkenyl, C2-20-alkynyl, cycloalkyl, or aryl, each optionally substituted with one or more Si(R12)3 groups; each R11 is independently NR2aR2b, C(O)OH, or PR3aR3b; each of R2a and R2b is independently H or C1-6 alkyl; each of R3a and R3b is independently H or C1-6 alkyl; each L1 is independently C2-20 alkylene, C2-20 heteroalkylene, or C2-8 alkylene-O—C2-8 alkylene; each L2 is independently C2-20 alkylene, C2-20 heteroalkylene, C2-8 alkylene-O—C2-8 alkylene, C2-8 alkylene-(C(O)NH—C2-8 alkylene)q, C2-8 heteroalkylene-(C(O)NH—C2-8 alkylene)q, or C3-8 alkylene-O—C1-8 alkylene-(C(O)NH—C2-8 alkylene)q, wherein each L2 is substituted with one or more (R10)q, Si(R12)3, or C3-10 cycloalkoxy; each L3 is independently C2-20 alkylene, C2-20 heteroalkylene, C2-8 alkylene-O—C2-8 alkylene, C2-8 alkylene-(C(O)NH—C2-8 alkylene)q, C2-8 heteroalkylene-(C(O)NH—C2-8 alkylene)q, or C3-8 alkylene-O—C1-8 alkylene-(C(O)NH—C2-8 alkylene)q; each R10 is independently NR2aR2b, C(O)OH, or PR3aR3b; each R12 is independently C1-6 alkyl, cycloalkyl, or aryl; m is 0 to 1000; n is 1 to 50; and q is 1 to 10. |
