Title: Canrenone
CAS Registry Number: 976-71-6
CAS Name: (17a)-17-Hydroxy-3-oxopregna-4,6-diene-21-carboxylic acid g-lactone
Synonyms: 17a-(2-carboxyethyl)-17b-hydroxyandrosta-4,6-dien-3-one lactone; 17a-(2-carboxyethyl)-17b-hydroxy-3-oxoandrosta-4,6-diene lactone; 6-dehydrotestosterone-17a-propionic acid g-lactone; 3-(3-oxo-17b-hydroxy-4,6-androstadien-17a-yl)propionic acid g-lactone
Trademarks: Phanurane (Specia)
Molecular Formula: C22H28O3
Molecular Weight: 340.46
Percent Composition: C 77.61%, H 8.29%, O 14.10%
Literature References: Aldosterone antagonist. Prepd by dehydrogenation of 17-hydroxy-3-oxo-17a-pregn-4-ene-21-carboxylic acid g-lactone: Cella, Tweit,
J. Org. Chem. 24, 1109 (1959); Cella,
US 2900383 (1959 to Searle).
Properties: Crystals from ethyl acetate, mp 149-151°, solidifies and remelts at 165°. [a]D +24.5° (chloroform). uv max: 283 nm (e 26700).
Melting point: mp 149-151°, solidifies and remelts at 165°
Optical Rotation: [a]D +24.5° (chloroform)
Absorption maximum: uv max: 283 nm (e 26700)
Derivative Type: Free acid potassium salt
CAS Registry Number: 2181-04-6
Synonyms: Potassium canrenoate
Trademarks: Kanrenol (SPA); Soldactone (Searle); Venactone (Lepetit)
Molecular Formula: C22H29KO4
Molecular Weight: 396.56
Percent Composition: C 66.63%, H 7.37%, K 9.86%, O 16.14%
Therap-Cat: Diuretic.
Keywords: Aldosterone Antagonist; Diuretic; Steroids.
