Tricyclic compound and pharmaceutical use thereof
US8247429B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2007 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Mar 19, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D235/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a compound represented by the formulawherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa, Xb, Xc and Xd are each a carbon atom or a nitrogen atom, provided that any one or two of Xa, Xb, Xc and Xd is/are nitrogen atom(s), m is 0 to 2, and rings A to C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.