6-(1,8-Naphthyridin-2-yl)-5-piperazino carbonyloxy-7-oxo-6,7-dihydro-5H-pyrrolo-[3,4-b]pyrazines and related pyridines
US4038391A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1975 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Oct 17, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D519/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## wherein one of the symbols =X- represents =N- and the other three each represent a group ##STR2## in which Y represents hydrogen, halogen, alkyl, alkoxy, cyano or nitro, =A- and =A.sub.1 - represent a group =CH- or =N-, =A.sub.1 - representing a group =CH- or =N- when =A- represents =CH- and =A.sub.1 - representing =N- when A represents =N-, Z represents hydrogen, halogen, alkyl, alkoxy or nitro, m represents zero or an integer from 1 to 4, and (i) n represents zero and R represents hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl or phenyl, or (ii) n represents 1 and R represents alkyl, hydroxyalkyl or phenyl, are new compounds possessing pharmacological properties; they are particularly active as tranquilizers and anticonvulsant agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.