Benzoquinone derivatives, their production and use
US4897420A · kind A · utility
3Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/36
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## wherein l is an integer of 0 to 18, X is hydrogen, an alkyl having 1 to 4 carbon atoms or a carboxylic acyl having 2 to 4 carbon atoms and Y is a phenylene, a cycloalkylene having 3 to 7 carbon atoms or a group of the formula: ##STR2## in which m is an integer of 0 to 3, and R.sub.1 and R.sub.2 each is an alkyl having 1 to 4 carbon atoms, are novel compounds, possess circulatory disturbance-improving activity and inhibitory activity of the generation and release of SRS-A, and used for prophylactic or therapy of ischemic diseases such as cerebral apoplexy or allergic diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.