Polymorphic form of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic

• US 8,173,634 B2
• Filed: 12/17/2009
• Issued: 05/08/2012
• Est. Priority Date: 12/18/2008
• Status: Active Grant

• Current Assignee: Novartis Ag
• Original Assignee: Novartis Ag
• Inventors: Liu, Yugang, Papoutsakis, Dimitris, Roddy, Elizabeth
• Primary Examiner(s): Saeed, Kamal
• Assistant Examiner(s): BARKER, MICHAEL P
• Application Number:
  US13/140,453
• Publication Number:
  US 20110251170A1
• Time in Patent Office: 873 Days
• Field of Search: None
• US Class Current: 514/210.17
• CPC Class Codes: A61P 1/00 Drugs for disorders of the alimentary tract or the digestive system
• CPC Class Codes: A61P 1/04 for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• CPC Class Codes: A61P 1/16 for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
• CPC Class Codes: A61P 11/00 Drugs for disorders of the respiratory system
• CPC Class Codes: A61P 11/02 Nasal agents, e.g. decongestants
• CPC Class Codes: A61P 11/06 Antiasthmatics
• CPC Class Codes: A61P 11/16 Central respiratory analeptics
• CPC Class Codes: A61P 13/12 of the kidneys
• CPC Class Codes: A61P 17/00 Drugs for dermatological disorders
• CPC Class Codes: A61P 17/02 for treating wounds, ulcers, burns, scars, keloids, or the like
• CPC Class Codes: A61P 17/06 Antipsoriatics
• CPC Class Codes: A61P 17/08 Antiseborrheics
• CPC Class Codes: A61P 17/14 for baldness or alopecia
• CPC Class Codes: A61P 19/02 for joint disorders, e.g. arthritis, arthrosis
• CPC Class Codes: A61P 21/00 Drugs for disorders of the muscular or neuromuscular system
• CPC Class Codes: A61P 21/04 for myasthenia gravis
• CPC Class Codes: A61P 25/00 Drugs for disorders of the nervous system
• CPC Class Codes: A61P 25/28 for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• CPC Class Codes: A61P 27/02 Ophthalmic agents
• CPC Class Codes: A61P 29/00 Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• CPC Class Codes: A61P 3/10 : for hyperglycaemia, e.g. antidiabetics
• CPC Class Codes: A61P 31/04 : Antibacterial agents
• CPC Class Codes: A61P 31/06 : for tuberculosis
• CPC Class Codes: A61P 31/08 : for leprosy
• CPC Class Codes: A61P 31/12 : Antivirals
• CPC Class Codes: A61P 31/14 : for RNA viruses
• CPC Class Codes: A61P 31/18 : for HIV
• CPC Class Codes: A61P 31/20 : for DNA viruses
• CPC Class Codes: A61P 35/00 : Antineoplastic agents
• CPC Class Codes: A61P 35/02 : specific for leukemia
• CPC Class Codes: A61P 37/00 : Drugs for immunological or allergic disorders
• CPC Class Codes: A61P 37/02 : Immunomodulators
• CPC Class Codes: A61P 37/06 : Immunosuppressants, e.g. drugs for graft rejection
• CPC Class Codes: A61P 37/08 : Antiallergic agents antiasthmatic agents A61P11/06; ophthalmic antiallergics A61P27/14
• CPC Class Codes: A61P 39/02 : Antidotes
• CPC Class Codes: A61P 5/14 : of the thyroid hormones, e.g. T3, T4
• CPC Class Codes: A61P 7/00 : Drugs for disorders of the blood or the extracellular fluid
• CPC Class Codes: A61P 7/06 : Antianaemics
• CPC Class Codes: A61P 9/00 : Drugs for disorders of the cardiovascular system
• CPC Class Codes: A61P 9/10 : for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• CPC Class Codes: C07D 205/04 : having no double bonds between ring members or between ring members and non-ring members

Abstract

This invention relates to a novel crystalline form (Form A) of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid (Compound I), to pharmaceutical compositions comprising this crystalline form, to processes for forming it and to its use in medical treatment.

Claims

1. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid.

2. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according to claim 1, wherein said Crystalline Form has an X-ray powder diffraction pattern with at least one specific peak at about 2-theta=18.2°

or 20.9°

.

3. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according to claim 1, wherein said Crystalline Form has an X-ray powder diffraction pattern with specific peaks at about 2-theta=18.2°

and 20.9°

.

4. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according to claim 1, wherein said Crystalline Form has an X-ray powder diffraction pattern with specific peaks at about 2-theta=7.7°

, 14.3°

, 18.2°

, 20.9°

, and 24.5°

.

5. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according to claim 1, wherein said Crystalline Form has an X-ray powder diffraction pattern substantially the same as the X-ray powder diffraction pattern shown in FIG. 1.

6. A pharmaceutical composition comprising crystalline form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according to claim 1 in admixture with a pharmaceutically acceptable adjuvant, diluent or carrier.

7. Crystalline Form A of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxyimino]-ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid according claim 1 for use as a pharmaceutical.