Thienopyrimidine compounds and salts thereof and process for the preparation of the same
US6482948B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Aug 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D495/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Thieno[2,3-d]pyrimidine compounds of general formula (1) useful as drugs having a cGMP-specific phosphodiesterase inhibiting effect and the preparation thereof wherein Q is formula: (CH2)n—N(r1)—C(r2) (r3), CH═CH—CH═CH, or (CH2)m which is bonded to a and b; R1 is hydrogen or C1-C6 alkyl; R2 is C3-C8 cycloalkyl optionally substituted with G1, phenyl optionally substituted with G2, or a saturated or unsaturated heterocyclic group having 1 to 4 heteroatoms selected from N, O and S and being optionally substituted with G3; and R3 is a saturated or unsaturated heretocyclic group having 1 to 4 heteroatoms selected from N, O and S and being optionally substituted with G3 or (CH2)kC(═O)R4 or CH═CHC(O)R4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.