US 10,765,764 B2Granted

Probes for imaging huntingtin protein

AssigneeCHDI Foundation, Inc.

InventorsCelia Dominguez, John Wityak, Jonathan Bard, Christopher John Brown, Michael Edward Prime, Peter David Johnson, Thomas Martin Krulle, Daniel Clark-Frew, Duane Higgins, Matthew Robert Mills, Richard Waldron Marston, Samuel Coe, Samantha Brown, Sarah Hayes

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Abstract

Provided are imaging agents comprising a compound of Formula I, or a pharmaceutically acceptable salt thereof, and methods of their use.

Claims27

Dependent claims

A compound of Formula I,

or a pharmaceutically acceptable salt thereof, wherein
m is 0, 1, or 2;
n is 1 or 2;
J is C(═O) or —CH2—;
X is S or N;
Y is CH or N;
Z is CH or N;
W is N;
for each occurrence, R1 is independently chosen from halo, lower alkoxy, hydroxy, aryl, heteroaryl, or cycloalkoxy, wherein the lower alkoxy, cycloalkoxy, aryl, or heteroaryl are each optionally substituted with one, two, or three groups independently selected from lower alkoxy, alkenyl, —NR4R5, halo, or heteroaryl optionally substituted with one to three lower alkoxy;
or R1 is lower alkyl optionally substituted with —NR4R5;
R2 is hydrogen or lower alkyl;
and
R3 is pyridin-3-yl, pyridin-3-ylmethyl, 1-benzofuran-5-yl, 1H-pyrazol-4-yl, 6-oxo-1,6-dihydropyridazin-3-yl, pyrimidin-5-yl, 6-oxo-1,6-dihydropyridin-3-yl, pyridin-2-yl, pyridin-4-yl, pyrazin-2-yl, or 2-oxo-1,2-dihydropyrimidin-5-yl, each of which is optionally substituted with one, two, or three groups independently chosen from hydroxy, lower alkoxy optionally substituted with lower alkoxy, lower alkyl optionally substituted with halo, halo, heteroaryl, —(CH2)tNR4R5, cyano, and —C(O)—NR4R5;
t is 0, 1, or 2;
each R4 is independently chosen from hydrogen or lower alkyl;
each R5 is independently chosen from hydrogen or lower alkyl;
or
R4 and R5 taken together with the nitrogen to which they are bound form a heterocycloalkyl ring, optionally substituted with one, two, or three groups independently chosen from hydroxy, lower alkoxy, lower alkyl, halo, or —C(O)—NR6R7;
each R6 is independently chosen from hydrogen or lower alkyl;
and
each R7 is independently chosen from hydrogen or lower alkyl.

18 more elements

A compound, or a pharmaceutically acceptable salt thereof, selected from:

10-methoxy-N-(pyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(6-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(pyridin-3-ylmethyl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-methyl-N-(pyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(1-benzofuran-5-yl)-10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-hydroxy-N-(6-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(6-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(6-fluoropyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
10-hydroxy-N-(pyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(5-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(1-methyl-1H-pyrazol-4-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(6-fluoropyridin-3-yl)-10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(pyridin-3-yl)-7-thia-2,5,9-triazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(5-methoxypyridin-3-yl)-7-thia-2,5,9-triazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-[6-(methylcarbamoyl)pyridin-3-yl]-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-4-{1H,2H,3H-pyrrolo[2,3-c]pyridine-1-carbonyl}-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene;
10-methoxy-N-(6-methylpyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-4-{1-methyl-1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carbonyl}-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene;
10-methoxy-N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(2-methylpyrimidin-5-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-[6-(1H-imidazol-1-yl)pyridin-3-yl]-10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(pyrimidin-5-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-[2-(dimethylamino)ethyl]-10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(2-methoxyethyl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(6-oxo-1,6-dihydropyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-[5-(pyridin-3-yl)pyridin-2-yl]-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(6-oxo-1,6-dihydropyridazin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
5-methoxy-N-(pyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-[6-(methylcarbamoyl)pyridin-3-yl]-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(5-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(6-oxo-1,6-dihydropyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(pyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(3-cyanopyridin-4-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(2-methoxypyridin-4-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(5,6-dimethoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
5-methoxy-N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
5-methoxy-11-{1-methyl-1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carbonyl}-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene;
4-methoxy-N-(5-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
5-methoxy-N-(5-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-[6-(1H-imidazol-1-yl)pyridin-3-yl]-5-methoxy-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(3-cyanopyridin-4-yl)-5-methoxy-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(6-oxo-1,6-dihydropyridazin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-(3-cyano-2-methoxypyridin-4-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
5-methoxy-N-(6-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
10-methoxy-N-(5-methoxypyridin-2-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(5-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(pyridin-4-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(pyrazin-2-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
3-{10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-amido}pyridin-1-ium-1-olate;
10-(2-fluoroethoxy)-N-(pyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(8),3,5,9,11-pentaene-4-carboxamide;
N-({10-methoxy-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaen-4-yl}methyl)pyridin-3-amine;
10-[(5-methoxypyridin-2-yl)methoxy]-N-(5-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
11-bromo-N-(5-methoxypyridin-3-yl)-7-thia-2,5,9-triazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-10-(prop-2-en-1-yloxy)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-(5-methoxypyridin-3-yl)-5-thia-2,7-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,6,8,10-pentaene-4-carboxamide;
10-methoxy-N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-5-thia-2,7-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,6,8,10-pentaene-4-carboxamide;
10-methoxy-N-(2-methylpyrimidin-5-yl)-5-thia-2,7-diazatricyclo[6.4.0.02,6]dodeca-1(8),3,6,9,11-pentaene-4-carboxamide;
N-(1-methyl-2-oxo-1,2-dihydropyrimidin-5-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
11-methoxy-N-(5-methoxypyridin-3-yl)-7-thia-2,5,9-triazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
11-methoxy-N-(1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-7-thia-2,5,9-triazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
10-methoxy-N-{3-[(methylamino)methyl]phenyl}-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(8),3,5,9,11-pentaene-4-carboxamide;
10-[(dimethylamino)methyl]-N-(5-methoxypyridin-3-yl)-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N-(5-methoxypyridin-3-yl)-10-phenyl-7-thia-2,5-diazatricyclo[6.4.0.02,6]dodeca-1(12),3,5,8,10-pentaene-4-carboxamide;
N,5-bis(5-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N,4-bis(5-methoxypyridin-3-yl)-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
N-[5-(2-methoxyethoxy)pyridin-3-yl]-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide;
and
N-[6-(2-methoxyethoxy)pyridin-3-yl]-1,8,10-triazatricyclo[7.4.0.02,7]trideca-2(7),3,5,8,10,12-hexaene-11-carboxamide.

67 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/172,425Filed 26 Oct 2018 · continuation
Priority: 28 Aug 2015
Published: US 2019/0167821 A16 Jun 2019
Granted: 8 Sep 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

A61K 51/0455
Having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins: having six-membered rings with one nitrogen as the only ring hetero atom
A61K 51/0459
Having nitrogen as a ring hetero atom, e.g. guanethidine, rifamycins: having six-membered rings with two nitrogen atoms as the only ring hetero…
C07B 59/002
Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se: heterocyclic compounds
C07D 487/04
In which the condensed system contains two hetero rings: ortho-condensed systems

Family

Application62/211,118Us provisional application · filed 28 Aug 2015
Application15/249,223Parent of this continuation · filed 26 Aug 2016
US 2019/0167821 A1Pre-grant publication · published 6 Jun 2019
US 10,137,211 B2Parent of this continuation
US 2017/0056535 A1Published application
US 10,765,764 B2This patent

From the US filing history. Foreign family members aren’t listed.

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