| Title:  Canrenone CAS Registry Number:  976-71-6 CAS Name:  (17a)-17-Hydroxy-3-oxopregna-4,6-diene-21-carboxylic acid g-lactone Additional Names:  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 Additional Names:  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.  |