DC-89 derivatives
US5258383A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Jun 25, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
DC-89 derivatives represented by the formula: ##STR1## wherein X represents hydrogen or CO.sub.2 CH.sub.3 ; and ##STR2## wherein Z represents Cl or Br; R represents hydrogen, CONR.sup.1 R.sup.2 (in which R.sup.1 and R.sup.2 independently represent hydrogen, a straight-chain or branched alkyl group having 1 to 4 carbon atoms or phenyl) or ##STR3## (in which n represents an integer of 0 to 4; R.sup.3 represents CH.sub.2, ##STR4## oxygen, N--CH.sub.3, or N--CH.sub.2 CONR.sup.1 R.sup.2 in which R.sup.1 and R.sup.2 have the same significances as defined above); and W represents hydrogen or ##STR5## (in which W.sup.1 and W.sup.2 independently represent hydrogen or OR.sup.2 in which R.sup.4 represents a straight-chain or branched alkyl group having 1 to 4 carbon atoms or a straight-chain or branched alkenyl group having 2 to 4 carbon atoms, and pharmaceutically acceptable salts thereof have an excellent anti-tumor and antibacterial activity and are expected to be useful as anti-tumor compositions and antibacterial compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.