Derivatives of indan-1,3-dione and indan-1,2,3-trione, methods of preparing them and therapeutic use thereof
US5571843A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1994 |
| Grant date | Nov 5, 1996 |
| Priority date | — |
| Expiry date | Mar 24, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Therapeutic compounds having the formula: ##STR1## in which R.sub.2 and R.sub.3 independently denote H, C.sub.1 -C.sub.4 alkoxy or OH and (A, B)=(oxygen, oxygen) in which case one out of R and R.sub.1 denotes OH, halogen, secondary amino or tertiary amine and the other denotes NHNHCONHR.sub.4 or R and R.sub.1 together denote .dbd.N--NH--CX--NHR.sub.5, .dbd.N--NH--CX--N(phenyl).sub.2, .dbd.N--NH--CX--NH--NH--R.sub.5, .dbd.N--NH--C(SCH.sub.3).dbd.N--R.sub.6 or .dbd.N--N.dbd.C(SCH.sub.3)--NH--R.sub.6 ; or (A, B)=(N--OH, oxygen) in which case R and R.sub.1 together form .dbd.N--NH--CX--NHR.sub.5 or .dbd.N--NH--CX--N(phenyl).sub.2 ; or (A, B)=(N--NH--CX--NHR.sub.5, oxygen) in which case R and R.sub.1 together form .dbd.N--NH--CX--NHR.sub.5 ; or (A, B)=(N--OH, N--OH) in which case R and R.sub.1 together form .dbd.N--NH--CX--NHR.sub.5 or .dbd.N--NH--CX--N(phenyl).sub.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.