Fused heterocyclic compounds
US9029536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2011 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Aug 3, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a compound which has the effect of PDE 10A inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound represented by the formula (1′): wherein, Ring A′ represents an optionally substituted pyridine ring, an optionally substituted pyridazine ring, a pyrimidine ring, or 10 a pyrazine ring, R1′ represents (1) wherein, R1a′ represents an optionally substituted phenyl group, or an optionally substituted 5- to 10-membered heterocyclic group, Ring B2 represents a bond, —S—, -0-, —CO—, an optionally substituted methylene group, or —NRa′— (Ra′ represents a hydrogen atom, or an optionally substituted C1-6 alkyl group), and Ring B1′ represents an optionally further substituted 6- to 10-membered aromatic hydrocarbon ring, or an optionally further substituted 5- to 10-membered aromatic heterocyclic ring, or alternatively, L′ and R1a′ may be taken together to form an optionally substituted bicyclic or tricyclic fused heterocyclic group, or (2), wherein, R1b′ represents an optionally substituted phenyl group, or an optionally substituted 5- to 10-membered heterocyclic group, Ring B2′ represents an optionally substit…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.