Piperazinylalkylpiperazinedione compounds
US4943577A · kind A · utility
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5Claims
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Assignee
Inventors
Key dates
| Filing date | Jul 19, 1989 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Jul 19, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to compounds of formula I ##STR1## in which R.sub.1 and R.sub.2 form together and with the piperazine-2,6-dione radical to which they are attached a hexahydropyrazino-.beta.-cabbolinedione radical, PA0 R.sub.3 denotes a pyrimidinyl radical or a phenyl radical optionally substituted by an alkyl radical of 1 to 4 carbon atoms or a trifluoromethyl radical, PA1 n is an integer of 2 to 4, inclusive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.