WO2010027431A1 - Substituted tricyclic acid derivatives as s1p1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders - Google Patents

Substituted tricyclic acid derivatives as s1p1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders Download PDF

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Publication number
WO2010027431A1
WO2010027431A1 PCT/US2009/004851 US2009004851W WO2010027431A1 WO 2010027431 A1 WO2010027431 A1 WO 2010027431A1 US 2009004851 W US2009004851 W US 2009004851W WO 2010027431 A1 WO2010027431 A1 WO 2010027431A1
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WO
WIPO (PCT)
Prior art keywords
indol
dihydro
pyrrolo
acetic acid
benzyloxy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2009/004851
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English (en)
French (fr)
Inventor
Robert M. Jones
Daniel J. Buzard
Andrew M. Kawasaki
Sun Hee Kim
Lars Thoresen
Juerg Lehmann
Xiuwen Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arena Pharmaceuticals Inc
Original Assignee
Arena Pharmaceuticals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AU2009288738A priority Critical patent/AU2009288738B9/en
Priority to NZ591001A priority patent/NZ591001A/xx
Priority to US13/060,477 priority patent/US8415484B2/en
Priority to HK11112888.7A priority patent/HK1158624B/en
Priority to CN200980142790.4A priority patent/CN102197038B/zh
Priority to SI200931475A priority patent/SI2342205T1/sl
Priority to EA201170374A priority patent/EA036955B1/ru
Priority to BRPI0917923-2A priority patent/BRPI0917923B1/pt
Priority to JP2011524992A priority patent/JP5726737B2/ja
Priority to EP09789210.3A priority patent/EP2342205B1/en
Priority to CA2733671A priority patent/CA2733671C/en
Priority to KR1020177014649A priority patent/KR101800595B1/ko
Priority to MX2011002199A priority patent/MX2011002199A/es
Application filed by Arena Pharmaceuticals Inc filed Critical Arena Pharmaceuticals Inc
Priority to RS20160577A priority patent/RS54970B1/sr
Priority to ES09789210.3T priority patent/ES2583630T3/es
Priority to HRP20160890TT priority patent/HRP20160890T1/hr
Publication of WO2010027431A1 publication Critical patent/WO2010027431A1/en
Priority to IL211107A priority patent/IL211107A0/en
Priority to ZA2011/01524A priority patent/ZA201101524B/en
Anticipated expiration legal-status Critical
Priority to US13/787,233 priority patent/US9108969B2/en
Priority to IL233869A priority patent/IL233869A/en
Priority to US14/817,954 priority patent/US20150336966A1/en
Priority to CY20161100713T priority patent/CY1117830T1/el
Priority to SM201600318T priority patent/SMT201600318B/it
Ceased legal-status Critical Current

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    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
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    • A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
    • A61K31/407—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
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    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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    • A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/437—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline
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    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445—Non condensed piperidines, e.g. piperocaine
    • A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
    • A61K31/4545—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
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    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems

Definitions

  • One aspect of the present invention pertains to the use of compounds of the present invention in the manufacture of a medicament for the treatment of an SlPl receptor-associated disorder.
  • One aspect of the present invention pertains to the use of compounds of the present invention in the manufacture of a medicament for the treatment of cancer.
  • One aspect of the present invention pertains to compounds of the present invention for use in a method for the treatment of myocardial ischemia-reperfusion injury.
  • Figure 3 shows a general synthetic scheme for the preparation of 2-(6-hydroxy-2,3- dihydro-lH-benzo[d]pyrrolo[l,2-a]imidazol-3-yl)acetate derivatives, as intermediates useful in the preparation of compounds of Formula (I), by alkylation of tert-buty ⁇ 2-oxopyrrolidine-l- carboxylate, followed by N-arylation, reduction / deprotection and cyclization.
  • Figure 4 shows a general synthetic scheme for the preparation of tricyclic acid derivatives, via coupling of the aryl methyl halides or alcohols with 2,3-dihydro-lH-pyrrolo acetate derivatives. Subsequent deprotection and/or halogenation afford compounds of Formula (I), by alkylation of tert-buty ⁇ 2-oxopyrrolidine-l- carboxylate, followed by N-arylation, reduction / deprotection and cyclization.
  • Figure 4 shows a general synthetic scheme for the preparation of
  • n 2
  • compounds of the present invention are represented by Formula (Ig) as illustrated below:
  • Y is N. In some embodiments, Y is CR 1 . In some embodiments, Z is N. In some embodiments, Z is CR 4 . In some embodiments, W is N. In some embodiments, W is CR 5 .
  • R 3 is selected from the group consisting of H, chloro, carboxamide, cyano, cyclohexyl, cyclohexylmethyl, cyclopentyloxy, cyclopentyl, cyclopropylmethoxy, l,3-difluoropropan-2-yloxy, ethoxy, fluoromethoxy, isobutyl, isopropoxy, methoxy, and methylsulfonyl.
  • R 3 is cyclopropylmethoxy.
  • Step A Preparation of tert-Butyl 2-(7-(4-(MethyIsulfonyl)benzyloxy)-2,3-dihydro- lH-pyrrolo[l,2-a]indol-l-yl)acetate.
  • Step C Preparation of 7-Methoxy-8-methyl-2,3-dihydro-lH-pyrrolo[l,2-a]indol-l- one.
  • Step A Preparation of 5-(Chloromethyi)-2-cyclopentylbenzonitriIe.
  • 2-Cyclopentylbenzonitrile 1.3 g, 7.59 mmol was transferred into a 2-necked RB flask, fitted with an addition funnel and dry nitrogen inlet. The starting material was stirred and cooled to -22 0 C (dry ice/IPA bath). Sulfuric acid(3.25 mL, 61.0 mmol) was added in drops. 1,3,5- Trioxane (0.877 mL, 11.39 mmol) was added in 3 batches (The batches were added fairly quickly, one after another).
  • Example 1.53 Preparation of 1 st Enantiomer of 2-(9-Chloro-7-(3-cyano-4- methoxybenzyloxy)-2,3-dihydro-l//-pyrrolo[l,2-a]indol-l-yl)acetic Acid (Compound 34).
  • No or substantially no increase of intracellular calcium in response to a test compound is indicative of the test compound exhibiting no or substantially no agonist activity on the S1P3 receptor.
  • Such an assay can be performed commercially, e.g. by Caliper LifeSciences (Hopkinton, MA).
  • FIG. 1 in which peripheral blood lymphocyte (PBL) count is shown for the 5 hour group.
  • PBL peripheral blood lymphocyte
  • Drug treatment Mice are dosed orally, with vehicle or a test compound, once a day from day 3 until day 21. Dosing volume is 5 mL/kg. The test compound is dosed at, e.g., 1 mg/kg, 3 mg/kg, 10 mg/kg or 30 mg/kg. Mice are weighed daily. Mice are monitored daily from day 7 onward for disease symptoms. After the last dose on day 21, disease progression is monitored daily for 2 more weeks. Reduction of the severity of disease symptoms by the test compound in comparison with vehicle is indicative of the test compound exhibiting therapeutic efficacy in EAE. B. PLP-induced EAE in Mice.
  • mice Male Lewis rats (325-375 g at start of study) (Harlan, San Diego, CA) are housed two per cage and maintained in a humidity-controlled (30-70%) and temperature- controlled (20-22 0 C) facility on a 12 h: 12 h light/dark cycle (lights on at 6:30 A.M.) with free access to food (Harlan-Teklad Western Res., Orange, CA, Rodent Diet 8604) and water. Rats are allowed one week of habituation to the animal facility before testing. During the study, rats are weighed daily prior to clinical scoring at 11 am.
  • Example 7 Allograft Survival.
  • a compound of the invention can be shown to have therapeutic efficacy in prolonging allograft survival by showing it to have therapeutic efficacy in prolonging, e.g. , survival of a skin allograft in an animal model.
  • mice are euthanized with CO 2 and colon is removed from anus to cecum.
  • Excised colon is measured for entire length, length from anus to end of inflamed area and length of inflamed (affected) area. After measurements, colon is cleared of excrement by flushing with saline and then cut open to clear more thoroughly. Colon is then weighed and preserved in neutral buffered formalin (NBF; 10% formalin, pH 6.7-7.0). The colon tissue is embedded in paraffin and processed for hematoxylin and eosin (H & E)-stained sections.
  • NNF neutral buffered formalin

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PCT/US2009/004851 2008-08-27 2009-08-26 Substituted tricyclic acid derivatives as s1p1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders Ceased WO2010027431A1 (en)

Priority Applications (23)

Application Number Priority Date Filing Date Title
MX2011002199A MX2011002199A (es) 2008-08-27 2009-08-26 Derivados de acidos triciclicos substituidos como agonistas del receptor s1p1 utiles en el tratamiento de trastornos autoinmunes e inflamatorios.
US13/060,477 US8415484B2 (en) 2008-08-27 2009-08-26 Substituted tricyclic acid derivatives as S1P1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders
HK11112888.7A HK1158624B (en) 2008-08-27 2009-08-26 Substituted tricyclic acid derivatives as s1p1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders
CN200980142790.4A CN102197038B (zh) 2008-08-27 2009-08-26 用于治疗自身免疫性病症和炎性病症的作为s1p1受体激动剂的经取代的三环酸衍生物
SI200931475A SI2342205T1 (sl) 2008-08-27 2009-08-26 Substituirani triciklični kislinski derivati kot agonisti S1P1 receptorja, uporabni v zdravljenju avtoimunskih in vnetnih obolenj
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IL211107A IL211107A0 (en) 2008-08-27 2011-02-07 Substituted tricyclic acid derivatives as s1p1 receptor agonists useful in the treatment of autoimmune and inflammatory disorders
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