5-phenyl-3H,6H-1,3,4-oxadiazine-2-ones in treatment of heart failure and hypertension
US4694005A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1986 |
| Grant date | Sep 15, 1987 |
| Priority date | — |
| Expiry date | Apr 22, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/21
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Heterocyclic compounds of the formula ##STR1## wherein either X is --CR.sup.1 R.sup.2 and Y is --O--, --S-- or --NR.sup.3 --, wherein R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each is hydrogen or alkyl of up to 4 carbon atoms; PA1 or X is --O--, --S-- or --NH-- and Y is --CR.sup.1 R.sup.2 -- wherein R.sup.1 and R.sup.2 have the meanings stated above; PA1 wherein either R.sup.4 is hydrogen, fluoro or chloro, or alkyl, alkenyl, halogenoalkyl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or alkoxy each of up to 6 carbon atom, and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each is hydrogen, fluoro, chloro, bromo or iodo, or alkyl, alkenyl, halogenoalkyl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or alkoxy each of up to 6 carbon atoms, provided that R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are not all hydrogen; PA1 or R.sup.4 is bromo and R.sup.5, R.sup.6 and R.sup.7 have the meanings stated above, provided that R.sup.5, R.sup.6 and R.sup.7 are not all hydrogen; PA1 or R.sup.4 and R.sup.5 together, or R.sup.5 and R.sup.6 together, or R.sup.4 and R.sup.7 together, form the --CH.dbd.CH--CH.dbd.CH-- group and the other two of R.sup.4, R.sup.5, R.sup.6 and R…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.