Patent · US Expired

Novel 10-substituted steroids and their use in the induction of aldosterone antagonistic activity

US4701449A · kind A · utility

1Cited by
3References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 1985
Grant dateOct 20, 1987
Priority date
Expiry dateAug 23, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J53/007
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 10-substituted steroids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl and substituted alkyl of 1 to 8 carbon atoms, alkenyl, substituted alkenyl, alkynyl and substituted alkynyl of 2 to 8 carbon atoms, aryl and substituted aryl, aralkyl and substituted aralkyl, protected hydroxy, optionally esterified carboxy, --NH.sub.2, protected amino, mono and di-alkyl amino of 1 to 4 alkyl carbon atoms, halogen and trialkylsilyl, R.sub.2 is methyl or ethyl, R.sub.6 and R.sub.7 together with the carbon atoms to which they are attached form cyclopropyl or R.sub.6 is hydrogen and R.sub.7 is R.sub.1, R.sub.1 is selected from the group consisting of hydrogen, alkyl and substituted alkyl of 1 to 6 carbon atoms, acetylthio and alkenyl, substituted alkenyl, alkynyl and substituted alkynyl of 2 to 6 carbon atoms, X is optionally acylated or etherified hydroxyl and Y is selected from the group consisting of hydrogen, R.sub.4, --CH.sub.2 --CH.sub.2 COOM and --CH.sub.2 --CH.sub.2 --CH.sub.2 OH, M is hydrogen, alkali metal or --NH.sub.4 or X and Y together form a member of the group consisting of ##STR2## or X is --OH and Y is ##STR3## R.sub.4 is selected …

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