Dithienylalkylamines and process for their production
US4281010A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1979 |
| Grant date | Jul 28, 1981 |
| Priority date | — |
| Expiry date | Jul 12, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are prepared compounds of the formula ##STR1## where >A--B-- has either the structure >C(OH)--CH.sub.2 -- or the structure >C.dbd.CH, Alk is a straight or branched chain C.sub.1 --C.sub.5 --alkylene group and Y is ##STR2## where R is hydrogen or a C.sub.1 --C.sub.4 --alkyl group and T is hydrogen or a C.sub.2 --C.sub.6 --alkanoyl group ##STR3## where R' is hydrogen, phenyl, phenyl substituted once or twice. The compounds are effective in improving peripheral and cerebral circulation. There are also produced intermediate compounds of formula (II) where NHY is replaced by chlorine, bromine or iodine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.