| CPC A61K 47/545 (2017.08) [A61K 45/06 (2013.01); A61K 47/542 (2017.08); A61K 47/61 (2017.08); A61K 49/0041 (2013.01); A61K 49/0043 (2013.01); A61K 49/0052 (2013.01); A61K 49/0054 (2013.01); A61P 31/04 (2018.01); A61P 35/00 (2018.01)] | 14 Claims |
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1. A method of treating a cancer or bacterial infection comprising administering to a subject in need thereof, a therapeutically effective amount of a compound of formula (I-A), or a pharmaceutically acceptable salt thereof,
![]() wherein
R1a is selected from the group consisting of C1-4alkyl, C1-4haloalkyl, and C1-4alkoxy;
R1b is selected from the group consisting of G1, OH, —NR1c—C1-4alkylene-G1, —NR1c—C1-4alkylene-N(R1d)2, —N(R1c)CHR1eCO2H, —N(R1c)—C1-6alkylene-CO2H, —N(R1f)—C2-4alkylene-(N(C1-4alkylene-CO2H)—C2-4alkylene)n-N(C1-4alkylene-CO2H)2, —N(R1c)CHR1eC(O)OC1-6alkyl, —N(R1c)—C1-6alkylene-C(O)OC1-6alkyl, and —N(R1f)—C2-4alkylene-(N(C1-4alkylene-C(O)OC1-6alkyl)-C2-4alkylene)n-N(C1-4alkylene-C(O)OC1-6alkyl)2;
R1c and R1d, at each occurrence, are independently hydrogen or C1-4alkyl;
R1e is —C1-4alkylene-CO2H, —C1-4alkylene-CONH2, or —C1-4alkylene-OH;
R1f is hydrogen, C1-6alkyl, or C1-4alkylene-CO2H;
D, at each occurrence, is independently a therapeutic agent selected from an anti-cancer agent and an antibiotic agent;
L1- is a linker;
L2- is selected from the group consisting of —C(O)— and C1-3alkylene;
G1 is an optionally substituted heterocyclyl;
m is 1, 2, or 3;
n is 0, 1, 2, or 3; and
p is 0, 1, or 2;
and administering a therapeutic support composition, the therapeutic support composition comprising a biocompatible support and a tetrazine-containing group of formula
![]() wherein
R20 is selected from the group consisting of hydrogen, halogen, cyano, nitro, alkyl, alkenyl, alkynyl, heteroalkyl, aryl, heteroaryl, heterocycle, cycloalkyl, cycloalkenyl, CF3, CF2—R′, NO2, OR′, SR′, C(═O)R′, C(═S)R′, OC(═O)R′″, SC(═O)R″, OC(═S)R′″, SC(═S)R′″, S(═O)R′, S(═O)2R″, S(═O)2NR′R″, C(═O)O—R′, C(═O)S—R′, C(═S)O—R′, C(═S)S—R′, C(═O)NR′R″, C(═S)NR′R″, NR′R″, NR′C(═O)R″, NR′C(═S)R″, NR′C(═O)OR″, NR′C(═S)OR″, NR′C(═O) SR″, NR′C(═S) SR″, OC(═O)NR′R″, SC(═O)NR′R″, OC(═S)R′R′″, SC(═S)R′R″, NR′C(═O)NR″R″, and NR′C(═S)NR″R″;
R′ and R″ at each occurrence are independently selected from hydrogen, aryl and alkyl;
R″ at each occurrence is independently selected from aryl and alkyl;
R30 is halogen, cyano, nitro, hydroxy, alkyl, haloalkyl; alkenyl, alkynyl, alkoxy; halalkoxy; heteroalkyl, aryl, heteroaryl, heterocycle, cycloalkyl, or cycloalkenyl;
Ra, R31a and R31b are each independently hydrogen, C1-C6-alkyl, or C1-C6-haloalkyl; and
t is 0, 1, 2, 3, or 4.
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