Oxadiazole derivative
US4994478A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | May 18, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a compound having the formula ##STR1## (wherein R.sub.1 denotes a phenyl radical (which may be substituted by halogen atoms, C.sub.1-6 alkyl radicals, C.sub.1-6 alkoxy radicals (which may be substituted by C.sub.1-6 alkoxy radicals,) C.sub.2-6 alkynyloxy radicals, amino radicals, nitro radicals, phenyl radicals, phenoxy radicals or C.sub.1-6 alkylthio radicals), a five or six membered heterocyclic radical (which may be substituted by halogen atoms or C.sub.1-6 alkyl radicals), a C.sub.1-6 alkyl radical (which may be substituted by aryl radicals) or ##STR2## wherein each or r.sup.1 and r.sup.2 denotes a C.sub.1-6 alkyl radical or a phenyl radical) PA1 X denotes oxygen atom or sulfur atom; PA1 A denotes ##STR3## B denotes ##STR4## D denotes ##STR5## n, m and l denote 0 or 1, (wherein r.sup.3, r.sup.4, r.sup.6, r.sup.7, r.sup.9 and r.sup.10, respectively, denotes hydrogen atom, halogen atom, C.sub.1-6 alkyl radical, the radical expressed by the formula --Y-- r.sup.12 (wherein r.sup.12 denotes hydrogen atom, cyano radical, C.sub.1-6 alkyl radical (which may be substituted by C.sub.1-6 alkoxycarbonyl radicals,) cycloalkyl radical, C.sub.1-6 alkoxycarbony…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.