Substituted heterocyclic compounds method of preparing them and pharmaceutical compositions in which they are present
US5780466A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1996 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Aug 27, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to compounds of the formula ##STR1## in which: A is a divalent radical selected from: PA2 A.sub.1) --O--CO-- PA2 A.sub.2) --CH.sub.2 --O--CO-- PA2 A.sub.3) --O--CH.sub.2 --CO-- PA2 A.sub.4) --O--CH.sub.2 --CH.sub.2 -- PA2 A.sub.5) --N(R.sub.1)--CO-- PA2 A.sub.6) --N(R.sub.1)--CO--CO-- PA2 A.sub.7) --N(R.sub.1)--CH.sub.2 --CH.sub.2 -- PA2 A.sub.8) --O--CH.sub.2 -- in which: PA1 R.sub.1 is a hydrogen or a (C.sub.1 -C.sub.4)-alkyl; and PA1 Am is a nitrogen-containing heterocycle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.