Patent · US Expired

Indole derivatives, process for preparation of the same and use thereof

US6743793B2 · kind B2 · utility

21Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2002
Grant dateJun 1, 2004
Priority date
Expiry dateDec 13, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Indole derivatives represented by formula (I): (wherein all symbols are described in the description), a process for the preparation of the same and a DP receptor antagonist comprising it as an active ingredient. Since the compounds of formula (I) binds to and are antagonistic to a DP receptor, they are useful in for the prevention and/or treatment of diseases, for example, allergic diseases (allergic rhinitis, allergic conjunctivitis, atopic dermatitis, bronchial asthma, food allergy, etc., systemic mastocytosis; disorders due to systemic mastocyte activation, anaphylactic shock, bronchoconstriction, urticaria, eczema, etc.), diseases accompanied with itching (atopic dermatitis, urticaria, etc.), secondary diseases caused by behaviors (scratching behaviors, beating, etc.) (cataract, retinal detachment, inflammation, infection, sleep disorder, etc.), inflammation, chronic obstructive pulmonary disease, ischemic reperfusion disorder, cerebrovascular disorder, pleuritis complicated by rheumatoid arthritis, ulcerative colitis, and the like.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.