Piperazine derivatives and their preparation process
US4963680A · kind A · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1989 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Aug 2, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/205
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A piperazine derivative of formula (I) ##STR1## in which: R is hydrogen or a straight or branched (C.sub.1 -.sub.4) alkoxycarbonyl group; and PA0 A is a 7-methoxy-1-naphthalenyl, 6-methoxy-2,3-dihydro-1-(1H)-indenyl or 7-methoxy-1,2,3,4-tetrahydro-1-naphthalenyl group, or an optically active isomer thereof, or a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.