Aryl methyl benzoquinazolinine M1 receptor positive allosteric modulators
AssigneeMerck Sharp & Dohme Corp.
InventorsScott D. Kuduk, Douglas C. Beshore, Christina Ng Di Marco, Thomas J. Greshock
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Abstract
The present invention is directed to benzoquinazilinone compounds of formula (I) which are M1 receptor positive allosteric modulators and that are useful in the treatment of diseases in which the M1 receptor is involved, such as Alzheimer's disease, schizophrenia, pain or sleep disorders. The invention is also directed to pharmaceutical compositions comprising the compounds, and to the use of the compounds and compositions in the treatment of diseases mediated by the M1 receptor.
Claims25
A compound of formula (I):
- or a pharmaceutically acceptable salt thereof, wherein
- X, Y and Z are each CH and Q is C, or one of X, Y, Q and Z is N and the others are CH or C, or X and Y are CH and Q, R1 and Z are linked together to form a naphthyl group;
- R1 is selected from the group consisting of
- (1) hydrogen,
- (2) aryl,
- (3) a heteroaryl group which is a cyclic or polycyclic group, having from five to twelve ring atoms, said ring atoms selected from C, O, N or S, at least one of which is O, N or S,
- (4) halogen,
- (5) —CN,
- (6) —O—C1-6 alkyl,
- (7) —C1-6 alkyl,
- (8) —C2-6 alkenyl
- (9) —S(═O)n—R4,
- (10) —NR5AR5B,
- wherein said aryl, heteroaryl, alkyl and alkenyl moiety is optionally substituted with one or more
- (a) halogen,
- (b) hydroxy,
- (c) —O—C1-6 alkyl,
- (d) —C1-6 alkyl,
- (e) —C(═O)—(O)m—R6,
- (f) —N(R5AR5B),
- (g) —S(═O)n—R8, or
- (h) oxo,
- provided that when Q is N then R1 is absent;
- R2 is selected from the group consisting of
- (1) hydrogen,
- (2) aryl,
- (3) a heteroaryl group which is a cyclic or polycyclic group, having from five to twelve ring atoms, said ring atoms selected from C, O, N or S, at least one of which is O, N or S,
- (4) a heterocyclic group, which is a non-aromatic cyclic or polycyclic group having from five to twelve ring atoms selected from C, O, N or S, at least one of which is O, N or S,
- (5) —O—C1-6 alkyl,
- (6) —C1-6 alkyl,
- (7) —C2-6 alkenyl,
- (8) —S(═O)n—R4,
- (9) —C3-8 cycloalkyl,
- (10) —C5-8 cycloalkenyl,
- (11) —NR5AR5B,
- wherein said aryl, heteroaryl, heterocyclyl, alkyl, alkenyl, cycloalkyl and cycloalkenyl moiety is optionally substituted with one or more
- (a) halogen,
- (b) hydroxy,
- (c) —O—C1-6 alkyl,
- (d) —C1-6 alkyl,
- (e) —S(═O)n—R8,
- (f) —C2-6 alkenyl,
- (g) —CN,
- (h) —C(═O)—(O)m—R6,
- (i) —NR5AR5B,
- (j) oxo,
- (k) aryl,
- (l) a heteroaryl group which is a cyclic or polycyclic group, having from five to twelve ring atoms, said ring atoms selected from C, O, N or S, at least one of which is O, N or S,
- (m) a heterocyclic group, which is a non-aromatic cyclic or polycyclic group having from five to twelve ring atoms selected from C, O, N or S, at least one of which is O, N or S
- (n) —OC(═O)—R6,
- wherein the alkyl, alkenyl, aryl, heteroaryl or heterocyclic moiety is optionally substituted with one or more
- (i) halogen,
- (ii) —C1-6 alkyl, or
- (iii) —OC1-6 alkyl;
- R3 is selected from the group consisting of
- (1) hydrogen,
- (2) —C1-6 alkyl, and
- (3) —S(O)n—R4,
- wherein said R3 alkyl moiety is optionally substituted with one or more
- (a) halogen,
- (b) cyano, and
- (c) —O—C1-6 alkyl, wherein said alkyl is optionally substituted with one or more halo;
- R4, R6 and R8 are independently selected from the group consisting of
- (1) hydrogen,
- (2) —C1-6 alkyl, and
- (3) —(CH2)n-aryl,
- wherein said R4, R6 or R8 alkyl or aryl moiety is optionally substituted with one or more
- (a) halogen,
- (b) cyano, and
- (c) —O—C1-6 alkyl, wherein said alkyl is optionally substituted with one or more halogen;
- R5A and R5B are selected from the group consisting of
- (1) hydrogen,
- (2) —C1-6 alkyl,
- (3) —C3-6 cycloalkyl,
- (4) —C(═O)—O—R6,
- (5) —S(O)2—R6,
- or R5A and R5B are linked together with the nitrogen to which they are both attached to form a 2-6 membered carbocyclic ring, wherein one or two of the ring carbon atoms is optionally replaced by a nitrogen, oxygen or sulfur;
- m is 0 or 1;
- and
- n is 0, 1 or 2.
A compound of formula (V),
- wherein R2 and Q′ are paired as below:
- R2
- Q′
- H
- or a pharmaceutically acceptable salt thereof.
A compound which is rac-3-[trans-2-hydroxycyclohexyl]-6-[(6-methylpyridin-3-yl)methyl]benzo[h]quinazolin-4(3H)-one, or a pharmaceutically acceptable salt thereof.
A compound which is 3-[(1S,2S)-2-hydroxycyclohexyl]-6-[(6-methylpyridin-3-yl)methyl]benzo[h]quinazolin-4(3H)-one, or a pharmaceutically acceptable salt thereof.
A compound which is rac-3-[trans-2-hydroxycyclohexyl]-6-[(6-methoxypyridin-3-yl)methyl]benzo[h]quinazolin-4(3H)-one, or a pharmaceutically acceptable salt thereof.
A compound which is 3-[(1S,2S)-2-hydroxycyclohexyl]-6-[(6-isopropylpyridin-3-yl)methylbenzo[h]quinazolin-4(3H)-one, or a pharmaceutically acceptable salt thereof.
A compound which is rac-3-[trans-2-hydroxycyclohexyl]-6-{[6-(hydroxymethyl)pyridine-3-yl]methyl}benzo[h]quinazolin-4(3H)-one, or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.