Abstract: Benzimidazole derivatives of formula (I): (Formula (I)) wherein: R1 is —(CH2)m—R7, (Formula (II)) or (Formula (III)); R2 is H, halo, —(CH2)m—NH2, —(CH2)n—C(?NH)—NH2 or —(CH2)n—NH—(CH2)m—NHR9; R3 is H, F or Cl; each of R4, R5 and R6 is independently H or F; R7 is C1-C6 alkyl, CF3, —SO2R11, —NH—(CH2)2—(NH)r—R8, —NH—CH(R8R9) or a group of the following formula (A): (Formula (A)): W is —(CH2)m—, —CH2—O—CH2—, —CH2—S—CH2—, —(CH2)r—S(O)2—CH2— or —(CH2)r—NR8—CH2—; m is an integer of 1 to 3; n is 1 or 2; p is 1 and V is CH; or p is 0 and V is N; q is 0 or 1; r is 0 or 1; R8 is H, —SO2R11, —SO2CF3, —COR11, —C(O)OR11, —CON(R9)2 or —(CH2)nSO2R11; R9 is H or C1-C6 alkyl, each R9 being the same or different when two are present; R10 is —SO2R11, —SO2CF3, —COR11, —CON(R9)2 or —(CH2)nSO2R11; and R11 is C1-C6 alkyl; and the pharmaceutically acceptable salts thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

Abstract: Benzimidazole derivatives of formula (I): wherein: R1 is —(CH2)m-R4 or R2 is halo, —(CH2)m—NH2 or —(CH2)n—C(?NH)—NH2; R3 is H or F; R4 is —NH—(CH2)2—(NH)r—R5, —NH—(CHR5R6) or a group of the following formula (A): (A) W is —(CH2)m—, —CH2—O—CH2—, —CH2—S—CH2—, —(CH2)r—S(O)2—CH2— or —(CH2)r—NR5—CH2—; m is an integer of 1 to 3; n is 1 or 2; p is 1 and V is CH; or p is O and V is N; q is 0 or 1; r is 0 or 1; R5 is H, —SO2Me, —SO2Et, —SO2CF3, —COMe, —CONMe2, —CONH2 or —CH2CH2SO2Me; R6 is H or C1-C6 alkyl; and R7 is —SO2Me, —SO2Et, —SO2CF3, —COMe, —CONMe2, —CONH2 or —CH2CH2SO2Me; and the pharmaceutically acceptable salts thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

Abstract: Pyrimidine derivatives of formula (I) wherein: Z is a direct bond or —(CH2)n— wherein n is 1 or 2; one of X and Y is N, CH or CF, and the other of X and Y is CH; one of R1 and R2 is selected from —NHR, —NR2, —OR, —SR, —S(O)R, —S(O)2R and a group of the following formula (A) and the other of R1 and R2 is selected from —NHR?, —OH, —OR? and a group of the above formula (A); R is unsubstituted C1-C6 alkyl; R? is a group selected from C1-C6 alkyl, 5- to 12-membered aryl and C3-C6 cycloalkyl, which group is unsubstituted or substituted; W is —(CH2)m—, —CH2—O—CH2—, —CH2—S—CH2— or —CH2—S(O)2—CH2—; p is 1, q is an integer of 1-6 and V is N; or p is 1, q is 0 and V is CH; or p is 0, q is 0 and V is N; r is 0 or 1; and R3 is —(CH2)s—NH2 or —(CH2)s—OH wherein s is 0 or an integer of 1 to 4; and the pharmaceutically acceptable salts thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

Abstract: Benzimidazoles of formula (I): wherein: one of X and Y is an N atom or a substituted C atom, and the other is CH; L is a single bond, C1-3 alkylene, C2-3 alkenylene or C2-3 alkynylene; R1 is C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, 3- to 10-membered cycloalkyl, 5- to 10-membered heterocyclyl or 5- to 12-membered heteroaryl, each of which is unsubstituted or substituted; Z is halo, C1-6 haloalkyl, nitro, —CN, —N(R2)2, —OR2, —SR2, —S(=0)R2, or —S(=0)2R2; each R2 is independently hydrogen, C1-6 alkyl, C2-6 alkenyl or C2-6 alkynyl, wherein said alkyl, alkenyl and alkynyl groups are unsubstituted or substituted; and m is 0 or 1; and the pharmaceutically acceptable salt thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

Abstract: Benzimidazoles of formula (I): wherein: A is 5- to 12-membered aryl or 5- to 12-membered heteroaryl, each of which is unsubstituted or substituted; Y is a single bond, —(CH2)p—, —X—, —CH2—X—, or —X—CH2—; X is —O—, —S—, —N(R2)—, >C?O, >S(?O), >S(?O)2, —O—C(?O)—, —C(?O)—O—, N(R2)—C(?O)—, or —C(?O)—N(R2)—; each L is independently a single bond, C1-3alkylene, C2-3alkenylene or C2-3alkynylene; R1 is C1-6alkyl, C2-6alkenyl or C2-6alkynyl, each of which is unsubstituted or substituted; each Z is independently —N(R2)2, —OR2, —SR2, —S(?O)R2, —S(?O)2R2; each R2 is independently hydrogen, C1-6alkyl, C2-6alkenyl or C2-6 alkynyl, wherein said alkyl, alkenyl and alkynyl groups are unsubstituted or substituted; m is 0, 1, 2, or 3; n is 1, 2, or 3; and p is 1, 2, or 3; and the pharmaceutically acceptable salt thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

Abstract: Benzimidazoles of formula (I): wherein: one of X and Y is an N atom or a substituted C atom, and the other is CH; L is a single bond, C1-3 alkylene, C2-3 alkenylene or C2-3 alkynylene; R1 is C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, 3- to 10-membered cycloalkyl, 5- to 10-membered heterocyclyl or 5- to 12- membered heteroaryl, each of which is unsubstituted or substituted; Z is halo, C1-6 haloalkyl, nitro, —CN, —N(R2)2, —OR2, —SR2, —S(?0)R2, or —S(?0)2R2; each R2 is independently hydrogen, C1-6 alkyl, C2-6 alkenyl or C2-6 alkynyl, wherein said alkyl, alkenyl and alkynyl groups are unsubstituted or substituted; and m is 0 or 1; and the pharmaceutically acceptable salt thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.