Benzopyran compound
US7781483B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2005 |
| Grant date | Aug 24, 2010 |
| Priority date | — |
| Expiry date | Sep 8, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/72
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to benzopyran compounds of formula (I)wherein X is NR6, Y is a bond, SO or SO2, Z is C1-4alkyl group or phenyl group, W is hydrogen atom, hydroxy group, C1-6 alkoxy group, a halogen atom, C1-4alkyl group or C1-6alkylsulfonylamino group, R1 and R2 are independently of each other C1-3alkyl group, R3 is hydrogen atom, hydroxy group or methoxy group, m is an integer of 0 to 4, n is an integer of 0 to 4, V is a single bond, CR7R8, NR9, O, S, SO or SO2, R4 is hydrogen atom or C1-6alkyl group, R5 is hydrogen atom, C1-6alkyl group, C3-8cycloalkyl group, C3-8cycloalkenyl group, C6-14aryl group or C2-9heteroaryl group. These compounds are useful as an anti-arrhythmic agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.