Inhibitors of influenza viruses replication

1. A compound represented by Structural Formula (I):

or a pharmaceutically acceptable salt thereof, wherein:

X is —H, —Cl, —Br, —F, —CN, or C 1 -C 6 aliphatic optionally substituted with one or more instances of J 1 ;

Ring T is a C 3 -C 10 non-aromatic carbocycle or 4-10 membered, non-aromatic, heterocycle optionally further substituted with one or more instances of J T ;

Q 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)N(R′)—O—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, —OC(O)NR′—, —OSO 2 NR′—, —S(O)—, —SO 2 —, —SO 2 NR′—, —NRSO 2 —, —NRSO 2 NR′—, —P(O)(OR)O—, —OP(O)(OR a )O—, —P(O) 2 O—, —CO 2 SO 2 —, —B(O) 2 —, or —(CR t R s )—Y 1 —;

Y 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)N(R′)—O—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, —OC(O)NR′—, —OSO 2 NR′—, —S(O)—, —SO 2 —, —SO 2 NR′—, —NRSO 2 —, —NRSO 2 NR′—, —P(O)(OR)O—, —OP(O)(OR a )O—, —P(O) 2 O—, —B(O) 2 —, or —CO 2 SO 2 —;

R 1 is: i) —H; ii) a C 1 -C 6 aliphatic group optionally substituted with one or more instances of J A ; iii) a C 3 -C 10 non-aromatic carbocyclic group or 4-10 membered, non-aromatic, heterocyclic group, each optionally and independently substituted with one or more instances of J B ; or iv) a 6-10 membered aryl group or 5-10 membered heteroaryl group, each optionally and independently substituted with one or more instances of J C ;

optionally R 1 , together with R′ and the nitrogen to which they are attached, forms a 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more instances of J 2 ; or

optionally -Q 1 -R 1 forms, together with Ring T, a 4-10 membered, non-aromatic, spiro ring optionally substituted with one or more instances of J 4 ; and

R 2 is —H, —OR, —CO 2 R, —NRR′, —CONRR′, or C 1 -C 6 aliphatic optionally substituted with one or more instances of J 1 ;

R 3 is —H, —F, —Cl, —CN, —NO 2 , —OR, —CO 2 R, —CONRR′, or C 1 -C 6 aliphatic optionally substituted with one or more instances of J 1 ;

J A , J B , and J T are each and independently oxo or J C ;

J C are each and independently selected from the group consisting of halogen, cyano, M, R a , or R a -M;

M is independently selected from the group consisting of —OR b , —SR b , —S(O)R a , —SO 2 R a , —NR b R c , —C(O)R a , —C(═NR)R c , —C(═NR)NR b R c , —NRC(═NR)NR b R c , —C(O)OR b , —OC(O)R b , —NRC(O)R b , —C(O)NR b R c , —NRC(O)NR b R c , —NRC(O)OR b , —OCONR b R c , —C(O)NRCO 2 R b , —NRC(O)NRC(O)OR b , —C(O)NR(OR b ), —OSO 2 NR b R c , —SO 2 NR c R b , —NRSO 2 R b , —NRSO 2 NR c R b , —P(O)(OR b ) 2 , —OP(O)(OR b ) 2 , —P(O) 2 OR b and —CO 2 SO 2 R b ; or

optionally, two J T , two J A , two J B , and two J C , respectively, together with the atom(s) to which they are attached, independently form a 4-10-membered ring that is optionally substituted with one or more instances of J 4 ; and

R a is independently:

i) a C 1 -C 6 aliphatic group optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), —O(C 1 -C 4 alkyl), C 3 -C 8 non-aromatic carbocyclic group optionally substituted with one or more instances of J 2 , 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more instances of J 2 , 5-10 membered heteroaryl group optionally substituted with one or more instances of J 3 , and 6-10 membered aryl group optionally substituted with one or more instances of J 3 ;

ii) a C 3 -C 8 non-aromatic carbocyclic group, or 4-8 membered, non-aromatic, heterocyclic group, each of which is optionally and independently substituted with one or more instances of J 2 ; or

iii) a 5-10 membered heteroaryl group, or 6-10 membered aryl group, each of which is optionally and independently substituted with one or more instances of J 3 ; and

R b and R c are each independently R a or —H; or optionally, R b and R c , together with the nitrogen atom(s) to which they are attached, each independently form a 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more instances of J 2 ;

R t and R s are each independently —H, halogen, or C 1 -C 6 alkyl optionally substituted with one or more instances of J 1 , or optionally, R t and R s , together with the carbon atom to which they are attached, form a cyclopropane ring optionally substituted with one or more instances of methyl;

R and R′ are each independently —H or C 1 -C 6 alkyl optionally and independently substituted with one or more instances of J 1 , or optionally R and R′, together with the nitrogen to which they are attached, form a 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more instances of J 2 ;

each J 1 is independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO Z H, —CO 2 (C 1 -C 4 alkyl), —O(C 1 -C 4 alkyl), and phenyl;

each J 2 is independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO Z H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

each of J 3 and J 4 is independently selected from the group consisting of halogen, cyano, hydroxy, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO Z H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

p is 1, 2, 3 or 4; and

k is 1, 2, 3 or 4.

2. The compound of claim 1 , wherein:

X is —Cl, —Br, —F, —CN, or optionally substituted C 1 -C 6 alkyl;

R 2 is —H, —O(C 1 -C 4 alkyl), —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —CO 2 H, —CO 2 (C 1 -C 4 alkyl), —C(O)NH 2 , —C(O)NH(C 1 -C 4 alkyl), —C(O)N(C 1 -C 4 alkyl) 2 , or optionally substituted C 1 -C 4 alkyl;

—R 3 is —H, —F, —Cl, —CN, —NO 2 , —O(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1-4 alkyl), —C(O)NH 2 , —C(O)NH(C 1 -C 4 alkyl), —C(O)N(C 1 -C 4 alkyl) 2 , or optionally substituted C 1 -C 4 alkyl:

p and k are each and independently 1 or 2; and

R t and R s are each independently —H, halogen, or C 1 -C 4 alkyl.

3. The compound of claim 2 , wherein;

X is —Cl, —Br, —F, —CN, C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl;

R 2 is —H, —O(C 1 -C 4 alkyl), C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl; and

R 3 is —H, —F, —Cl, —CN, —O(C 1 -C 4 alkyl), C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl.

4. The compound of claim 3 , wherein;

Ring T is an optionally substituted C 5 -C 10 non-aromatic carbocyclic group or an optionally substituted 5-10 membered non-aromatic heterocyclic group; and

R 3 is —F, —Cl, —CN, —O(C 1 -C 4 alkyl), C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl.

5. The compound of claim 4 , represented by Structural Formula (II):

or a pharmaceutically acceptable salt thereof, wherein:

X is —Cl, —F, —Br, —CN, —CH 3 , or —CF 3 ,

R 3 is —F, —Cl, —CN, or C 1 -C 4 haloalkyl;

Q 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)N(R′)—O—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, —OC(O)NR′—, —OSO 2 NR′—, —S(O)—, —SO 2 —, —SO 2 NR′—, —NRSO 2 —, —NRSO 2 NR′—, —B(O) 2 —, or —(CR t R s ) p —Y 1 —;

Y 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)N(R′)—O—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, —OC(O)NR′—, —OSO 2 NR′—, —S(O)—, —SO 2 —, —SO 2 NR′—, —NRSO 2 —, —B(O) 2 —, or —NRSO 2 NR′—;

R 1 is independently i) —H; ii) a C 1 -C 6 -aliphatic group optionally substituted with one or more instances of J A : iii) a C 3 -C 8 non-aromatic carbocyclic group or 4-8 membered, non-aromatic, heterocyclic group, each of which is optionally and independently substituted with one or more instances of J B :

iv) a phenyl group or 5-6 membered heteroaryl group, each of which is optionally and independently substituted with one or more instances of J C ; or

optionally R 1 , together with R′ and the nitrogen to which they are attached, form a 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more instances of J 2 ; or

optionally -Q 1 -R 1 forms, together with Ring T, a 4-10 membered, non-aromatic, spiro rings optionally substituted with one or more instances of J 4 ; and

J A , J B , and J T are each independently oxo or J C ; and

J C is selected from the group consisting of halogen, cyano, R a , —OR b , —SR b , —S(O)R a , —SO 2 R a , —NHR c , —C(O)R a , —C(O)OR b , —OC(O)R b , —NHC(O)R b , —C(O)NHR c , —NHC(O)NHR c , —NHC(O)OR b , —OCONHR c , —NHC(O)NHC(O)OR b , —N(CH 3 )R c , —N(CH 3 )C(O)R b , —C(O)N(CH 3 )R c , —N(CH 3 )C(O)NHR c , —N(CH 3 )C(O)OR b , —OCON(CH 3 )R c , —C(O)NHCO 2 R b , —C(O)N(CH 3 )CO 2 R b , —N(CH 3 )C(O)NHC(O)OR b , —NHSO 2 R b , —SO 2 NHR b , —SO 2 N(CH 3 )R b , and —N(CH 3 )SO 2 R b ;

optionally, two J A , two J B , two J C , and two J T , respectively, together with the atom(s) to which they are attached, independently form an optionally substituted. 4-10-membered, non-aromatic ring; and

R a is independently: i) a C 1 -C 6 alkyl group optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH, —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1-4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), —O(C 1 -C 4 alkyl), optionally substituted, non-aromatic, C 3 -C 8 carbocyclic group, optionally substituted, non-aromatic, 4-8 membered heterocyclic group, optionally substituted 5-6 membered heteroaryl, and optionally substituted phenyl group: ii) an optionally substituted, non-aromatic, C 3 -C 8 carbocyclic group: iii) optionally substituted, non-aromatic, 4-8 membered heterocyclic group: iv) an optionally substituted 5-6 membered heteroaryl group: v) or optionally substituted phenyl group:

R b and R c are each independently R a or —H; or optionally, R b and R c , together with the nitrogen atom(s) to which they are attached, each independently form an optionally substituted, non-aromatic, 4-8 membered heterocyclic group; and

R and R′ are each and independently —H or C 1-4 alkyl, or optionally R and R′, together with the nitrogen to which they are attached, form an optionally substituted, non-aromatic, 4-8 membered heterocyclic group, or optionally R′, together with R 1 and the nitrogen to which they are attached, form an optionally substituted, non-aromatic, 4-8 membered heterocyclic group.

6. The compound of claim 5 , wherein:

Q 1 is —CO 2 —, —O(CR t R s ) k —C(O)O—, —P(O)(OR)O—, —OP(O)(OR a )O—, —P(O) 2 O—, —CO 2 SO 2 —, or —(CR t R s ) p —Y 1 —; and

Y 1 is —CO 2 —, —O(CR t R s ) k —C(O)O—, —P(O)(OR)O—, —OP(O)(OR a )O—, —P(O) 2 O—, or —CO 2 SO 2 —.

7. The compound of claim 6 represented by Structural Formula (IIIA) or (IIIB):

or a pharmaceutically acceptable salt thereof, wherein X is —Cl, —F, —CN, or —CF 3 .

8. The compound of claim 7 , wherein:

X is —Cl or —F; and

Ring T is an optionally substituted, bridged, non-aromatic, C 5 -C 10 carbocyclic group or an optionally substituted, non-aromatic, monocyclic, C 5 -C 8 carbocyclic group.

9. The compound of claim 7 , wherein Ring T is:

and wherein:

Ring A is a 5-10 membered, non-aromatic, carbocyclic group or 5-10 membered, non-aromatic, heterocyclic group, each of which is optionally further substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl); or Ring A and R 15 , Ring A and R 14 , or Ring A and R 13 independently and optionally form a bridged, non-aromatic, carbocyclic group or bridged, non-aromatic, heterocyclic group, each of which is optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl)

Q 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, —OC(O)NR′—, or —(CR t R s ) p —Y 1 —; and

Y 1 is —C(O)—, —CO 2 —, —OC(O)—, —O(CR t R s ) k —C(O)O—, —C(O)NR′—, —C(O)NRC(O)O—, —NRC(O)—, —NRC(O)NR′—, —NRCO 2 —, or —OC(O)NR′—,

R 1 is independently: i) —H; ii) a C 1 -C 6 aliphatic group optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —O(C 1 -C 4 alkyl), —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —C(O)(C 1 -C 4 alkyl), —OC(O)(C 1 -C 4 alkyl), —C(O)O(C 1 -C 4 alkyl), —CO 2 H, C 3 -C 8 non-aromatic carbocyclic group, 4-8 membered, non-aromatic, heterocyclic group, phenyl, and 5-6 membered heteroaryl; iii) a C 3 -C 7 non-aromatic carbocyclic group; iv) a 4-7 membered, non-aromatic, heterocyclic group; v) a phenyl group; or vi) a 5-6 membered heteroaryl group; or

optionally R 1 , together with R′ and the nitrogen to which they are attached, forms an optionally substituted, 4-8 membered, non-aromatic, heterocyclic group; and

each of said carbocyclic, phenyl, heterocyclic, and heteroaryl groups represented by R 1 and for the substituents of the C 1 -C 6 -aliphatic group represented by R 1 , and said heterocyclic group formed with R 1 and R′ is independently and optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl); and

each of R 12 , R 13 , and R 14 is independently —H, halogen, cyano, hydroxy, C 1 -C 6 alkyl, —O(C 1 -C 6 alkyl), —NH 2 , —NH(C 1 -C 6 alkyl), —N(C 1 -C 6 alkyl) 2 , —OCO(C 1 -C 6 alkyl), —CO(C 1 -C 6 alkyl), —CO 2 H, or —CO 2 (C 1 -C 6 alkyl), wherein each said C 1 -C 6 alkyl is optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

each R 15 is independently —H, halogen, cyano, hydroxy, or C 1 -C 6 alkyl optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

x is 0, 1 or 2,

J A , J B , J C , and J T are each independently selected from the group consisting of halogen, cyano, R a , —OR b , —NHR c , —C(O)R b , —C(O)OR b , —OC(O)R b , —NHC(O)R b , —C(O)NHR c , —NHC(O)NHR c , —NHC(O)OR b , —OCONHR c , —N(CH 3 )R c , —N(CH 3 )C(O)R b , —C(O)N(CH 3 )R c , —N(CH 3 )C(O)NHR c , —N(CH 3 )C(O)OR b ,

—NHSO 2 R b , —SO—NHR b , —SO 2 N(CH 3 )R b , and —N(CH 3 )SO 2 R b ; or

optionally, two J T , two J A , two J B , and two J C , respectively, together with the atom(s) to which they are attached, independently form a 4-10-membered, non-aromatic, ring that is optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl); and

R a is independently: i) a C 1 -C 6 alkyl group optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), —O(C 1 -C 4 alkyl), C 3 -C 8 non-aromatic carbocycle, 4-8 membered, non-aromatic, heterocycle, 5-6 membered, non-aromatic, heteroaryl, and phenyl; ii) a C 3 -C 8 carbocyclic group or 4-8 membered heterocyclic group, each of which is independently and optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO(C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl); or iii) a 5-6 membered heteroaryl group or phenyl group, each of which is independently and optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl and —O(C 1 -C 4 alkyl); and

R b and R c are each independently R a or —H; or optionally, R b and R c , together with the nitrogen atom(s) to which they are attached, each independently form a 4-8 membered, non-aromatic, heterocyclic group optionally substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl).

10. The compound of claim 9 , wherein:

(a) R 12 , R 13 , and R 14 are each and independently —H, halogen, cyano, hydroxy, —O(C 1 -C 6 alkyl), or optionally substituted C 1 -C 6 alkyl;

R 15 is —H or optionally substituted C 1 -C 6 alkyl; and

R t and R s are each independently —H, halogen, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; or

(b) R 12 and R 13 are each independently —H, halogen, hydroxy, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, or —O(C 1 -C 6 alkyl);

R 14 and R 15 are each independently —H, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; and

R t and R s are each independently —H or C 1 -C 6 alkyl.

11. The compound of claim 10 , wherein

Ring A and R 15 , Ring A and R 14 , or Ring A and R 13 independently form an optionally substituted, 4-10 membered, non-aromatic, carbocyclic or heterocyclic, bridged ring.

12. The compound of claim 11 , wherein Ring T is:

wherein:

each of Rings A1-A5 is independently a 5-10 membered, non-aromatic, bridged carbocycle optionally further substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

Ring A6 is a 5-10 membered, non-aromatic, bridged heterocycle optionally further substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl), —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

Q 1 is independently —C(O)—, —C(O)O—, —NRC(O)—, —C(O)NR—, —NRC(O)NR′—, or —(CH 2 ) 1,2 —Y 1 —:

Y 1 is independently —C(O)—, —C(O)O—, —NRC(O)—, —C(O)NR—, or —NRC(O)NR′—;

each R 14 is independently —H, halogen, cyano, hydroxy, C 1 -C 6 alkyl, —O(C 1 -C 6 alkyl), —NH 2 , —NH(C 1 -C 6 alkyl), —N(C 1 -C 6 alkyl), —OCO(C 1 -C 6 alkyl), —CO(C 1 -C 6 alkyl), —CO 2 H, or —CO 2 (C 1 -C 6 alkyl), wherein each said C 1 -C 6 alkyl is optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl), —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

each R 15 is independently —H, halogen, cyano, hydroxy, or C 1 -C 6 alkyl optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl), —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

R 21 , R 22 , R 23 , R 24 , and R 25 are each independently —H, halogen, —OH, C 1 -C 6 alkoxy, or C 1 -C 6 alkyl optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

Z is —O—, —S—, or —NR g —;

R g is —H or C 1 -C 6 alkyl optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

q is 0, 1 or 2; and

r is 1 or 2.

13. The compound of claim 12 , wherein:

Q 1 is independently —C(O)O—, —NRC(O)—, —C(O)NR—, or —NRC(O)NR′—;

R 14 and each R 15 are each independently —H, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; and

R 21 , R 22 , R 23 , R 24 , and R 25 are each independently —H, halogen, hydroxy, C 1 -C 6 alkoxy, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl;

Z is —O— or —NR g —;

R g is —H, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; and

R and R′ are each and independently —H or —CH 3 .

14. The compound of claim 13 , wherein Ring T is:

wherein each of Rings A1-A6 is independently and optionally further substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl),

R 14 and each R 15 are each independently —H or C 1-6 alkyl;

R 21 , R 22 , R 23 , R 24 , and R 25 are each independently —H or C 1-6 alkyl; and

q is 1.

15. The compound of claim 14 , wherein:

R 14 , R 15 , R 21 , R 22 , R 23 , R 24 , and R 25 are each independently —H.

16. The compound of claim 9 , wherein Ring T is selected from:

wherein:

Q 1 is independently —C(O)—, —C(O)O—, —NRC(O)—, —C(O)NR—, —NRC(O)NR′—, or —(CH 2 ) 1,2 —Y—;

Y 1 is independently —C(O)—, —C(O)O—, —NRC(O)—, —C(O)NR—, or —NRC(O)NR′—;

each of Rings A8-A11 is independently and optionally substituted with one or more substitutents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl);

each R 14 is independently —H, halogen, cyano, hydroxy, C 1 -C 6 alkyl, —O(C 1 -C 6 alkyl), —NH 2 , —NH(C 1 -C 6 alkyl) 2 , —N(C 1 -C 6 alkyl), —OCO(C 1 -C 6 alkyl), —CO(C 1 -C 6 alkyl), —CO 2 H, or —CO 2 (C 1 -C 6 alkyl), wherein each said C 1 -C 6 alkyl is optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl) 2 , —N(C 1 -C 4 alkyl), —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

each R 15 is independently —H, halogen, cyano, hydroxy, or C 1 -C 6 alkyl optionally and independently substituted with one or more substituents selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), and —O(C 1 -C 4 alkyl);

R and R′ are each and independently —H or —CH 3 ; and

R 1 is independently a 4-7 membered, non-aromatic, heterocyclic group, a phenyl group, or a 5-6 membered heteroaryl group, wherein each of said heterocyclic, phenyl and heteroaryl groups is independently and optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl); or

optionally R 1 and R′, together with the nitrogen atom to which they are attached, form a 4-7 membered, non-aromatic, heterocyclic group or a 5-6 membered heteroaryl group, each of which is independently and optionally substituted with one or more substituents independently selected from the group consisting of halogen, cyano, hydroxy, oxo, —NH 2 , —NH(C 1 -C 4 alkyl), —N(C 1 -C 4 alkyl) 2 , —OCO(C 1 -C 4 alkyl), —CO(C 1 -C 4 alkyl), —CO 2 H, —CO 2 (C 1 -C 4 alkyl), C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl).

17. The compound of claim 16 , wherein:

Q 1 is independently —NRC(O)—, —C(O)NR—, or —NRC(O)NR′—;

R 14 and each R 15 are each independently —H or C 1-6 alkyl; and

each of Rings A8-A11 is independently and optionally substituted with one or more substitutents selected from the group consisting of halogen, cyano, hydroxy, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, and —O(C 1 -C 4 alkyl).

18. A compound selected from any of one of the structures depicted below:

or

pharmaceutically acceptable salt thereof.

19. A compound selected from any of one of the structures depicted below:

or a pharmaceutically acceptable salt thereof.

20. A pharmaceutical composition, comprising a compound according to any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 , and a pharmaceutically acceptable carrier, adjuvant or vehicle.

21. A method of inhibiting the replication of influenza viruses in a biological sample or patient, comprising the step of administering to said biological sample or patient an effective amount of a compound as described in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 .

22. A method of reducing the amount of influenza viruses in a biological sample or in a patient, comprising administering to said biological sample or patient an effective amount of a compound as described in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 .

23. A method of treating influenza in a patient, comprising administering to said patient an effective amount of a compound described in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 .

24. A method preparing a compound represented by Structural Formula (I):

or a pharmaceutically acceptable salt thereof, comprising the steps of:

i) reacting compound A:

with compound B:

to form a compound represented by Structural Formula (XX):

and

ii) deprotecting the G group of the compound of Structural Formula (XX) under suitable conditions to form the compound of Structural Formula (I), wherein:

the variables of Structural Formulae (I) and (XX), and compounds (A) and (B) are independently as defined in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 ; and

L 2 is a halogen; and

G is trityl.

25. A method preparing a compound represented by Structural Formula (I):

or a pharmaceutically acceptable salt thereof, comprising the steps of:

i) reacting compound K or L:

with compound D:

to form a compound represented by Structural Formula (XX):

and

ii) deprotecting the G group of the compound of Structural Formula (XX) under suitable conditions to form the compound of Structural Formula (I), wherein:

the variables of Structural Formulae (I) and (XX), and compounds (L), (K), and (D) are each and independently as defined in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 ; and

G is trityl.

26. A method preparing a compound represented by Structural Formula (I):

or a pharmaceutically acceptable salt thereof, comprising the steps of:

i) reacting Compound (G) with Compound (D):

under suitable conditions to form a compound represented by Structural Formula (XX):

and

ii) deprotecting the G group of the compound of Structural Formula (XX) under suitable conditions to form the compound of Structural Formula (I), wherein:

the variables of Structural Formulae (I) and (XX), and Compounds (G) and (D) are each and independently as defined in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 ;

L 1 is a halogen; and

G is trityl.

27. A compound represented by Structural Formula (XX):

wherein the variables of Structural Formula (XX) are each and independently as defined in any one of claims 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , and 19 ; and

G is trityl.

28. The compound of claim 27 , represented by any one of the following structural formulae:

or a pharmaceutically acceptable salt thereof, wherein Tr is trityl.

29. The compound of claim 27 , represented by any one of the following structural formulae:

or a pharmaceutically acceptable salt thereof, wherein Tr is trityl.