Naphthalene derivatives
US5863918A · kind A · utility
5Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1998 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Feb 23, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound or the formula: ##STR1## wherein R.sup.1 is carboxy or protected carboxy, R.sup.2 is hydrogen, hydroxy or protected hydroxy, PA1 R.sup.3 is hydrogen, hydroxy, protected hydroxy, etc., PA1 R.sup.4 is hydrogen or halogen, PA1 A.sup.1 is lower alkylene, PA1 A.sup.2 is bond or lower alkylene, PA1 --R.sup.5 is ##STR2## (in which R.sup.6 is mono(or di or tri)aryl(lower)alkyl and Z is N or CH), etc., and ##STR3## etc., and a pharmaceutically acceptable salt thereof which are useful as medicaments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.