Patent · US Expired

Dithienylalkylamines and process for their production

US4281010A · kind A · utility

0Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1979
Grant dateJul 28, 1981
Priority date
Expiry dateJul 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.