Pyrrole compounds, a process for their preparation and pharmaceutical compositions containing them

Patent metadata

Field	Value
Publication number	US-10265323-B2
Application number	US-201715419228-A
Country	US
Kind code	B2
Filing date	Jan 30, 2017
Priority date	Jul 23, 2013
Publication date	Apr 23, 2019
Grant date	Apr 23, 2019

Abstract

Compounds of formula (I):

wherein A 1 , A 2 , R a , R b , R c , R d , R 3 , R 4 , R 5 and T are as defined in the description. Medicinal products containing the same which are useful in treating pathologies involving a deficit in apoptosis, such as cancer, auto-immune diseases, and diseases of the immune system.

First claim

The invention claimed is:

1. A method of treating immune and auto-immune diseases in a subject in need thereof, comprising administration of an effective amount of a compound of formula (I):

wherein:
A 1 and A 2 , each independently of the other, represent a hydrogen atom, a halogen atom, a linear or branched (C 1 -C 6 )polyhaloalkyl group, a linear or branched (C 1 -C 6 )alkyl group or a cycloalkyl group;
T represents a hydrogen atom, a linear or branched (C 1 -C 6 )alkyl group optionally substituted by from one to three halogen atoms, a (C 1 -C 4 )alkyl-NR 1 R 2 group, or a (C 1 -C 4 )alkyl-OR 6 group;
R 1 and R 2 , each independently of the other, represent a hydrogen atom or a linear or branched (C 1 -C 6 )alkyl group,
or R 1 and R 2 form with the nitrogen atom carrying them a heterocycloalkyl;
R 3 represents a linear or branched (C 1 -C 6 )alkyl group, a linear or branched (C 2 -C 6 )alkenyl group, a linear or branched (C 2 -C 6 )alkynyl group, a cycloalkyl group, a (C 3 -C 10 )cycloalkyl-(C 1 -C 6 )alkyl group wherein the alkyl moiety is linear or branched, a heterocycloalkyl group, an aryl group or a heteroaryl group, wherein one or more of the carbon atoms of the preceding groups, or of their possible substituents, may be deuterated;
R 4 represents an aryl group, a heteroaryl group, a cycloalkyl group or a linear or branched (C 1 -C 6 )alkyl group, wherein one or more of the carbon atoms of the preceding groups, or of their possible substituents, may be deuterated;
R 5 represents a hydrogen or halogen atom, a linear or branched (C 1 -C 6 )alkyl group, or a linear or branched (C 1 -C 6 )alkoxy group;
R 6 represents a hydrogen atom or a linear or branched (C 1 -C 6 )alkyl group;
R a , R b , R c and R d , each independently of the others, represent a hydrogen atom, a linear or branched (C 1 -C 6 )alkyl group, a linear or branched (C 2 -C 6 )alkenyl group, a linear or branched (C 2 -C 6 )alkynyl group, an aryl group, a heteroaryl group, a halogen atom, a linear or branched (C 1 -C 6 )alkoxy group, a hydroxy group, a linear or branched (C 1 -C 6 )polyhaloalkyl group, a trifluoromethoxy group, —NR 7 R 7 ′, nitro, R 7 —CO—(C 0 -C 6 )alkyl-, R 7 —CO—NH—(C 0 -C 6 )alkyl-, NR 7 R 7 ′—CO—(C 0 -C 6 )alkyl-, NR 7 R 7 ′—CO—(C 0 -C 6 )alkyl-O—, R 7 —SO 2 —NH—(C 0 -C 6 )alkyl-, R 7 —NH—CO—NH—(C 0 -C 6 )alkyl-, R 7 —O—CO—NH—(C 0 -C 6 )alkyl-, a heterocycloalkyl group, or the substituents of one of the pairs (R a ,R b ), (R b ,R c ), or (R c ,R d ) form together with the carbon atoms carrying them a ring composed of from 5 to 7 ring members, which ring may have from one to 2 hetero atoms selected from oxygen and sulphur, wherein one or more carbon atoms of the ring defined hereinbefore may be deuterated or substituted by from one to 3 groups selected from halogen and linear or branched (C 1 -C 6 )alkyl;
R 7 and R 7 ′, each independently of the other, represent a hydrogen atom, a linear or brandied (C 1 -C 6 )alkyl group, a linear or branched (C 2 -C 6 )alkenyl group, a linear or branched (C 2 -C 6 )alkynyl group, an aryl group or a heteroaryl group, or R 7 and R 7 ′, together with the nitrogen atom carrying them, form a heterocycle composed of from 5 to 7 ring members;

it being understood that:
“aryl” means a phenyl, naphthyl, biphenyl or indenyl group,
“heteroaryl” means any mono- or hi-cyclic group composed of from 5 to 10 ring members, having at least one aromatic moiety and having from 1 to 4 hetero atoms selected from oxygen, sulphur and nitrogen (including quaternary nitrogens),
“cycloalkyl” means any mono- or bi-cyclic, non-aromatic, carbocyclic group having from 3 to 10 ring members,
“heterocycloalkyl” means any mono- or hi-cyclic, non-aromatic, condensed or spiro group composed of from 3 to 10 ring members and having from 1 to 3 hetero atoms selected from oxygen, sulphur; SO, SO 2 and nitrogen,

wherein the aryl, heteroaryl, cycloalkyl and heterocycloalkyl groups so defined and the alkyl, alkenyl, alkynyl and alkoxy groups may be optionally substituted by from 1 to 3 groups selected from optionally substituted, linear or branched (C 1 -C 6 )alkyl, (C 3 -C 6 )spiro, optionally substituted, linear or branched (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkyl-S—, hydroxy, oxo (or N-oxide where appropriate), nitro, cyano, —COOR, —OCOR, NR′R″, linear or branched (C 1 -C 6 )polyhaloalkyl, trifluoromethoxy, (C 1 -C 6 )alkylsulphonyl, halogen, optionally substituted aryl, heteroaryl, aryloxy, arylthio, cycloalkyl, heterocycloalkyl optionally substituted by one or more halogen atoms or alkyl groups, wherein R′ and R″, each independently of the other, represent a hydrogen atom or an optionally substituted, linear or branched (C 1 -C 6 )alkyl group,
or an enantiomer, a diastereoisomer, or an addition salt thereof with a pharmaceutically acceptable acid or base.

2. The method according to claim 1 , wherein A 1 represents a hydrogen atom or a methyl group.

3. The method according to claim 1 , wherein A 2 represents a linear or branched (C 1 -C 6 )alkyl group optionally substituted by a group selected from halogen, hydroxy, linear or branched (C 1 -C 6 )alkoxy, NR′R″ and morpholine.

4. The method according to claim 1 , wherein A 2 represents a linear or branched (C 1 -C 6 )polyhaloalkyl group or a cyclopropyl group.

5. The method according to claim 1 , wherein A 1 and A 2 both represent a methyl group.

6. The method according to claim 1 , wherein T represents methyl, aminomethyl, (morpholin-4-yl)methyl, (4-methylpiperazin-1-yl)methyl, 2-(morpholin-4-yl)ethyl, [2-(morpholin-4-yl)ethoxy]methyl, hydroxymethyl, [2-(dimethylamino)ethoxy]methyl, hexahydropyrazino[2,1-c][1,4]oxazin-8(1H)-ylmethyl, 1-oxa-6-azaspiro[3.3]hept-6-ylmethyl, 3-(morpholin-4-yl)propyl or trifluoromethyl.

7. The method according to claim 1 , wherein R a and R d each represent a hydrogen atom and (R b ,R c ), together with the carbon atoms carrying them, form a 1,3-dioxolane group or a 1,4-dioxane group; or R a , R c and R d each represent a hydrogen atom and R b represents a hydrogen atom, a halogen atom, or a methoxy group.

8. The method according to claim 1 , wherein R a and R d each represent a hydrogen atom, R b represents a hydrogen or halogen atom and Re represents a hydroxy or methoxy group; or R a and R d each represent a hydrogen atom, R b represents a hydroxy or methoxy group and R c represents a halogen atom.

9. The method according to claim 1 , wherein R a , R b and R d each represent a hydrogen atom and R represents a group selected from R 7 —CO—NH—(C 0 -C 6 )alkyl-, R 7 —SO 2 —NH—(C 0 -C 6 )alkyl-, R 7 —NH—CO—NH—(C 0 -C 6 )alkyl- and R 7 —O—CO—NH—(C 0 -C 6 )alkyl-.

10. The method according to claim 1 , wherein R 4 represents phenyl, 4-hydroxyphenyl, 3-fluoro-4-hydroxyphenyl, 2-hydroxypyrimidine or 3-hydroxypyridine.

11. The method according to claim 1 , wherein R 3 represents an aryl or heteroaryl group.

12. The method according to claim 1 , wherein R 3 represents a group selected from methyl, phenyl, 1H-pyrazole, 1H-indole, 1H-indazole, pyridine, pyrimidine, 1H-pyrrolo[2,3-b]pyridine, 2,3-dihydro-1H-pyrrolo[2,3-b]pyridine, 1H-benzimidazole, 1H-pyrrole, 1H-pyrrolo[2,3-c]pyridine, 1H-pyrrolo[3,2-b]pyridine, 5H-pyrrolo[3,2-d]pyrimidine, thiophene, pyrazine, 1H-pyrazolo[3,4-b]pyridine, 1,2-oxazole, and 1H-pyrazolo[1,5-a]pyrimidine, those groups optionally having one or more substituents selected from halogen, linear or branched (C 1 -C 6 )alkyl, linear or branched (C 1 -C 6 )alkoxy, cyano, cyclopropyl, oxetane, tetrahydrofuran, —CO—O—CH 3 , trideuteriomethyl, 2-

Assignees

• Servier Lab
• Vernalis R&D Ltd
• Vernals R&D Ltd

Inventors

• Le Tiran Arnaud
• Le Diguarher Thierry
• Starck Jérôme-Benoît
• Henlin Jean-Michel
• Guillouzic Anne-Françoise
• De Nanteuil Guillaume
• Geneste Olivier
• Fejes Imre
• Tatai János
• Nyerges Miklós
• Davidson James Edward Paul
• Murray James Brooke
• Chen I-Jen
• Durand Didier

Classifications

• A61P43/00

  Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

• A61P37/06

  Immunosuppressants, e.g. drugs for graft rejection · CPC title

• A61P37/02

  Immunomodulators · CPC title

• A61P37/00

  Drugs for immunological or allergic disorders · CPC title

• A61P35/02

  specific for leukemia · CPC title