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|Title:||Alkali metal 8,9-dehydroestrone sulfate esters|
|Abstract:||This invention presents alkali metal salts of 8,9-dehydroestrone, its sulfate ester, and stable compositions thereof, as well as processes for their production. The sulfate ester salts are useful in estrogen replacement therapy.|
|Inventor(s):||Raveendranath; Panolil C. (Plattsburgh, NY), Wichtowski; John A. (Albans, VT)|
|Assignee:||American Home Products Corporation (New York, NY)|
1. A composition of matter consisting essentially of an alkali metal salt of 8,9-dehydroestrone-3-sulfate ester.
2. A composition of matter of claim 1 in which said alkali metal is sodium.
3. A composition of matter of claim 1 in which said alkali metal is potassium.
4. A composition of matter of claim 1 in which said alkali metal is lithium.
5. A composition of matter comprising an alkali metal salt of 8,9-dehydroestrone-3-sulfate in combination with tris(hydroxymethyl)aminomethane, said composition being free from other estrogenic steroids.
6. A composition of mater of claim 5 in which the ratio of tris(hydroxymethyl)aminomethane to alkali metal salt of 8,9-dehydroestrone-3-sulfate is from 1:0.5 to 0.5:1.
7. An alkali metal salt of 8,9-dehydroestrone-3-sulfate ester free from other estrogenic steroids.
8. A salt of claim 7 in which said alkali metal is sodium.
9. A salt of claim 7 in which said alkali metal is potassium.
10. A salt of claim 7 in which said alkali salt is lithium.
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