Patent · US Expired

N-(.omega.,(.omega.-1)-dialkyloxy)- and N-(.omega.,(.omega.-1)-dialkenyloxy)-alk-1-yl-N,N,N-tetrasubstituted ammonium lipids and uses therefor

US4946787A · kind A · utility

274Cited by
0References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1989
Grant dateAug 7, 1990
Priority date
Expiry dateOct 27, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D453/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention relates to compounds of the formula ##STR1## or an optical isomer thereof wherein R.sup.1 and R.sup.2 are the same or different and are an alkyl or alkenyl group of 6 to 24 carbon atoms; R.sup.3, R.sup.4 and R.sup.5 are the same or different and are alkyl of 1 to 8 carbon atoms, aryl, aralkyl of 7 to 11 carbon atoms, or when two or three of R.sup.3, R.sup.4, and R.sup.5 are taken together to form quinuclidino, piperidino, pyrrolidino, or morpholino; n is 1 to 8; and X is a pharmaceutically acceptable anion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.