Quinazolines as potassium ion channel inhibitors

A compound of formula (Ib) or (Ic):

• or an enantiomer, diastereomer, tautomer, or salt thereof wherein:
• X is H, F, Cl, Br, I, C1-10 alkoxy, haloC1-10 alkyl, 4- to 12-membered heterocyclyl, —CO2R11 or —NR11R12;
• Y is H, F, Cl, Br, I, C1-10 alkoxy, haloC1-10 alkyl, 4- to 12-membered heterocyclyl, —CO2R11 or —NR11R12;
• Z is H, Cl, Br, I, C1-10 alkoxy, haloC1-10 alkyl, 4- to 12-membered heterocyclyl or —NR11R12;
• m is 0 to 4;
• n is 1 to 4;
• R11 and R12, at each occurrence, are independently selected from H, C1-10 alkyl, haloC1-10 alkyl, C3-10 cycloalkyl, C6-10aryl, a 4- to 12-membered heteroaryl and a 4- to 12-membered heterocyclyl, wherein the alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R13's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13a is independently H, —OH, F, Cl, Br, I, C1-10 alkyl, C2-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —CONR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13a-2 is independently H, —OH, F, Br, I, C1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —(CH2)m—SO2R14, —NR14SO2R14, —CONR14R14, —(CH2)m—SO2NR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13b is independently H, F, Cl, Br, I, C1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —CONR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14, —NR14R14 or —NR14CONR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13b-2 is independently H, —OH, F, Cl, Br, I, C1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —(CH2)m—SO2NR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13c is independently H, —OH, Cl, Br, I, C1-10 alkyl, hydroxyC1-10 alkyl, cyanoC1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, —CN, —(CH2)m—SO2R14, —(CH2)n—OCONR14R14, —NR14SO2R14, —CONR14R14, —(CH2)m—SO2NR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —NR14CO2R14, —CO2R26, —NR14R14, —C(═NOR14)NR14R14 or —NR14CONR14R14, wherein the cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, or 3 heteroatoms independently selected from the group consisting of N, S, or O;
• R13c-2 is independently H, —OH, F, Cl, Br, I, C1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —CONR14R14;
• —(CH2)m—SO2NR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13d is independently H, —OH, F, Cl, Br, I, C1-10 alkyl, C2-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —CONR14R14;
• —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —(CH2)m—SO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R13d-2 is independently H, —OH, Cl, Br, I, C1-10 alkyl, C1-10 alkoxy, haloC1-10 alkyl, C3-10 cycloalkyl, C2-12 alkenyl, C6-10aryl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, a 4- to 12-membered heteroaryl-C1-10 alkyl, —CN, —(CH2)m—SO2R14, —NR14SO2R14, —CONR14R14, —(CH2)m—SO2NR14R14, —(CH2)m—NR14SO2R14, —(CH2)n—NR14SO2NR14R14, —NR14SO2NR14R14, —CO2NR14R14, —NR14CO2NR14R14, —NR14COR14, —SO2NR14COR14, —SO2NR14CONR14R14, —NR14CO2R14, —CO2R14 or —NR14R14, wherein the alkyl, cycloalkyl, alkenyl, alkoxy, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R14a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R14, at each occurrence, is independently selected from hydrogen, C1-10 alkyl, C3-10 cycloalkyl, C6-10 aryl, a 4- to 12-membered heteroaryl or a 4- to 12-membered heterocyclyl, wherein the alkyl, cycloalkyl, aryl, heteroaryl and heterocyclyl may be optionally substituted with be optionally substituted with 0-3 R14a and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R14a, at each occurrence, is independently selected from F, Cl, Br, I, C1-10 alkyl, haloC1-10alkyl, C6-10aryl, C3-10cycloalkyl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, F, Cl, Br, I, —CN, —CO2H, —CO2R26, —OCONR24R24, —CO2NR24R24, —OCF3, —OR25, —CONR24R24, —SO2R24, —NR24R24 or C6-10arylC1-10alkyl, wherein the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R24, at each occurrence, is independently selected from hydrogen, C1-10alkyl, C3-10cycloalkyl, C6-10aryl, a 4- to 12-membered heteroaryl or 4- to 12-membered heterocyclyl, wherein the alkyl, aryl, heteroaryl and heterocyclyl may be optionally substituted with one or more R24a's and the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• or
• two R24's are taken together with the atoms to which they are attached to form a cyclic ring, wherein the cyclic ring may be optionally substituted with one or more R24a's and optionally contain 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R24a, at each occurrence, is independently selected from F, Cl, Br, I, C1-10 alkyl, haloC1-10alkyl, C6-10aryl, C3-10cycloalkyl, a 4- to 12-membered heteroaryl, a 4- to 12-membered heterocyclyl, —CN, —CO2R25, —OCF3, —OR25, —CONR25R25, —NR25R25 or C6-10arylC1-10alkyl, wherein the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• R25, at each occurrence, is independently selected from hydrogen, C1-10alkyl, C3-10cycloalkyl, C6-10aryl, a 4- to 12-membered heteroaryl or 4- to 12-membered heterocyclyl, wherein the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• and
• R26, at each occurrence, is independently selected from C1-10alkyl, haloC1-10alkyl, C3-10cycloalkyl, C6-10aryl, a 4- to 12-membered heteroaryl or 4- to 12-membered heterocyclyl, wherein the heteroaryl and heterocyclyl consist of carbon atoms and 1, 2, 3, or 4 heteroatoms independently selected from the group consisting of N, S, or O;
• provided that X, Y, Z, R13a, R13b, R13d, R13a-2, R13b-2, R13c-2 and R13d-2 is not all H when R13c is —C(═O)N(C2H4OCH3)2, —SO2N(C2H4OH)2.