Metabotrophic glutamate receptor 5 modulators and methods of use thereof
AssigneeSunovion Pharmaceuticals Inc.
InventorsMichele L. R. Heffernan, Larry Wendell Hardy, Frank Xinhe Wu, Lakshmi D. Saraswat, Kerry L. Spear
Life of this patent
Estimating the term…
Abstract
Compounds that modulate GluR5 activity and methods of using the same are disclosed.
Claims20
A compound of formula (I) or a pharmaceutically acceptable salt thereof:
- wherein
- Q is CR9 or N;
- m and n are each independently 0 or 1;
- X is F, Cl, Br, or I;
- R1, R2, R3, R4, R3, R6, R7, and R8 are each independently hydrogen, X, alkyl, heteroalkyl, or alkenyl;
- or any two of R1, R2, R3, R4, R5 and R6 together with the atoms to which they are attached, form a cycloalkyl ring;
- and
- R9 is hydrogen or alkyl;
- provided that
- at least one of R1, R2, R3, R4, R5, R6, R7, and R8 is either X, or alkyl or heteroalkyl substituted with at least one X;
- or a cycloalkyl ring formed by any two of R1, R2, R3, R4, R5 and R6 together with the atoms to which they are attached is substituted with at least one X;
- at least one of R3 and R4 is not hydrogen;
- when m and n are both 1, Q is CH, and R1, R2, R4, R5, and R6 are all H, then R3 is not CF3 or F;
- when m and n are both 1, Q is CH, and R1, R2, R5, and R6 are all H, then R3 and R4 are not both F;
- when m and n are both 1, Q is CH, R1, R2, R5, and R6 are all H, and R3 is unsubstituted alkyl, then R4 is not F;
- and
- when m is 1, n is 0, Q is CH, R1, R2, R5, and R6 are all H, and R3 is H or F, then R4 is not F.
A compound of formula (II) or a pharmaceutically acceptable salt thereof:
- wherein
- Q is CR7 or N;
- G is CH2 or O;
- R1 and R2 are independently hydrogen, alkyl, cyano, or heteroalkyl;
- or R1 and R2 together with the atom to which they are attached form a cycloalkyl or heterocycloalkyl ring;
- and
- R7 is selected from hydrogen and alkyl
- provided that
- when Q is N and G is CH2, then at least one of R1 and R2 is not hydrogen;
- when Q is N, G is CH2, and one of R1 and R2 is methyl, then the other of R1 and R2 is not hydrogen or methyl;
- when Q is N, G is CH2, and one of R1 and R2 is hydroxymethyl or methoxymethyl, then the other of R1 and R2 is not hydrogen;
- and
- when Q is N, G is CH2, and R1 and R2 together with the atom to which they are attached form a heterocycloalkyl ring, then R1 and R2 together are not —(CH2)2—O—(CH2)2—.
A compound of formula (III) or a pharmaceutically acceptable salt thereof:
- wherein
- R1, R2, R3, and R4 are each independently hydrogen, alkyl, hydroxyl, alkenyl, heteroalkyl, or cyano;
- or
- R1 and R2 or R3 and R4 together with the atom to which they are attached form a cycloalkyl or heterocycloalkyl ring;
- or
- R2 and R3 together with the atoms to which they are attached form a cycloalkyl ring;
- R3 is hydrogen or alkyl;
- R6, R7, and R8 are each independently hydrogen, CN, heteroalkyl, alkyl, or X;
- and
- X is F, Cl, Br, or I;
- provided that
- R3 and R4 cannot together form ═CH2;
- when R1, R2, R3, and R4 are all hydrogen, then at least one of R5, R6, R7, and R8 is not hydrogen
- when both R1 and R2 are methyl, then at least one of R3, R4, R5, R6, R7, and R is other than hydrogen;
- when both R3 and R4 are methyl, then at least one of R1, R2, R3, R6, R7, and R8 is not hydrogen;
- when one of R1, R2, R3, and R4 is methyl, and the other three of R1, R2, R3, and R4 are all hydrogen, then at least one of R5, R6, R7, and R8 is not hydrogen;
- when one of R1 and R2 is hydroxymethyl or methoxymethyl and the other of R1 and R2 is hydrogen, then at least one of R3, R4, R5, R6, R7, and R8 is not hydrogen;
- when one of R3 and R4 is hydroxymethyl, hydroxy, methoxy, methoxymethyl, or fluoro, and the other of R3 and R4 is hydrogen, then at least one of R1, R2, R5, R6, R7, and R8 is not hydrogen;
- when one of R3 and R4 is methyl and the other of R3 and R4 is hydroxyl or methoxy, then at least one of R1, R2, R5, R6, R7, and R8 is not hydrogen;
- when R3 and R4 are both F, then at least one of R1, R2, R5, R6, R7, and R8 is not hydrogen.
A compound of formula (IV) or a pharmaceutically acceptable salt thereof:
- wherein
- m and n are each independently 0 or 1;
- R1, R2, R3, R4, R5, and R6 are each independently hydrogen, alkyl, or heteroalkyl;
- or
- R1 and R2, R3 and R4, or R5 and R6 together with the atom to which they are bonded form a cycloalkyl or heterocycloalkyl ring;
- provided that
- at least one of R1, R2, R3, R4, R5, and R6 is not hydrogen;
- when m and n are both 1 or both in and n are 0, one of R3 and R4 is methyl, and the other of R3 and R4 is hydrogen, then at least one of R1, R2, R5, and R6 is not hydrogen;
- when in is 0, n is 1, and both R5 and R6 are methyl, then at least one of R1, R2, R3, and R4 is not hydrogen;
- when m is 1, n is 0, and both R3 and R4 are methyl, then at least one of R1, R2, R5, and R6 is not hydrogen;
- when m and n are both 0 and both R3 and R4 are methyl, then at least one of R1, R2, R5 and R6 is not hydrogen;
- and
- when m and n are both 0, one of R5 and R6 is hydroxymethyl or methoxymethyl, and the other of R5 and R6 is hydrogen, then at least one of R1, R2, R3, and R4 is not hydrogen.
A compound of formula (V) or a pharmaceutically acceptable salt thereof:
- wherein
- m and n are independently 0 or 1;
- Z is
- R1, R2, R3, R4, R5, and R6 are each independently hydrogen or alkyl;
- Q is O or S;
- R7 and R8 are hydrogen or alkyl;
- or R7 and R8 together with the atoms to which they are attached form a cyclolalkyl, heterocycloalkyl, aryl, or heteroaryl ring;
- provided that
- when in is 1, n is 1, Z is
- Q is S, R7 is methyl and R8 is hydrogen, one of R3 and R4 is methyl, and the other of R3 and R4 is hydrogen, then at least one of R1, R2, R5 and R6 is not hydrogen.
A compound of formula (VI) or a pharmaceutically acceptable salt thereof
- wherein
- m and n are independently 0 or 1;
- L is —R8C═CR8—, —OC(R9)2—, C(O)NR10—, or —NR10C(O)—;
- X is F, Cl, Br, or I;
- R1, R2, R3, R4, R5, and R6 are each independently hydrogen, alkyl, or X;
- R7 is hydrogen or cyano;
- each R8 is hydrogen or X;
- R9 and R10 are each independently hydrogen or alkyl;
- provided that
- when in is 0, n is 0, L is —HC═CH—, one of R3 and R4 is methyl, the other of R3 and R4 is hydrogen, R1, R2, R5, and R6 are all hydrogen, and R7 is hydrogen, then Pyr is not 2-pyridyl;
- when m is 0, n is 1, L is —HC═CH—, R1, R2, R3, and R4 are all hydrogen, R5 and R6 are both methyl, and R7 is hydrogen or cyano, then Pyr is not
- when m is 1, n is 0, L is —HC═CH—, R1, R2, R5, and R6 are all hydrogen, R3 and R4 are both methyl, and R7 is hydrogen or cyano, then Pyr is not
- when m is 0, n is 1, L is —HC═CH—, R1, R2, R5, and R6 are all hydrogen, R3 and R4 are both methyl, and R7 is hydrogen or cyano, then Pyr is not
- when in is 1, n is 0, L is —HC═CH—, R3, R4, R5, and R6 are all hydrogen, R1 and R2 are both methyl, and R7 is hydrogen or cyano, then Pyr is not
- when m is 1, n is 1, L is —HC═CH—, one of R3 and R4 is methyl, the other of R3 and R4 is hydrogen, R1, R5, and R6 are all hydrogen, and R7 is hydrogen or cyano, then Pyr is
- and
- when m is 1, n is 1, L is —HC═CH—, R1, R2, R3, R4, R5, R6, and R7 are all hydrogen, then Pyr is not 2-pyridyl.
A compound of formula (VII) or a pharmaceutically acceptable salt thereof:
- wherein Z is
A compound selected from:
- or a pharmaceutically acceptable salt thereof.
(canceled)
Dependencies are inferred from the claim text.