Substituted tricyclic heterocycles as histamine 4 receptor inhibitors
US9586959B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Sep 28, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to novel heterocyclic compounds of formula 1 useful in preparing drugs for treatment of diseases associated with various functions of the histamine 4 receptor. Especially, the said drugs are useful for treatment of inflammatory diseases, allergy, pain, nasal polyps, rhinitis, chronic sinusitis, nasal congestion, nasal itch, asthma, chronic obstructive pulmonary disease, rheumatoid arthritis, atopic dermatitis, psoriasis, eczema, pruritus, itchy skin, urticaria, idiopathic chronic urticaria, scleroderma, conjunctivitis, keratoconjunctivitis, ocular inflammation, dry eye, cardiac dysfunction, arrhythmia, atherosclerosis, multiple sclerosis, inflammatory bowel disease (including colitis, Crohn's disease, ulcerative colitis), inflammatory pain, neuropathic pain, osteoarthritic pain, autoimmune thyroid disease, immune-mediated (also known as type I) diabetes, lupus, post-operative adhesions, vestibular disorders and cancer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.