Synthesis of a mixture of sulfated estrogens using a sulfur...

Details Synthesis of a mixture of sulfated estrogens using a sulfur... Synthesis of a mixture of sulfated estrogens using a sulfur...

C - Chemistry, Metallurgy

07

J

C07J 1/00 (2006.01) A61K 31/56 (2006.01) C07J 31/00 (2006.01) C07J 75/00 (2006.01)

Patent

CA 2472650

A process of producing a stable composition comprising a mixture of sulfated estrogens. The mixture of sulfated estrogens may comprise sulfated alkali metal salts of .DELTA.8,9-dehydroestrone, estrone, and derivatives thereof or other estrogens. The process comprises the steps of sulfating such mixture of alkali metal salts of .DELTA.8,9-dehydroestrone, estrone, and derivatives thereof with a sulfur trioxide complex and adding tris(hydroxymethyl)aminomethane.

L'invention concerne un procédé permettant de produire une composition stable comprenant un mélange d'oestrogènes sulfatés. Le mélange d'oestrogènes sulfatés peut comprendre des sels de métaux alcalins de .DELTA.?8,9¿-déhydroestrone, d'oestrone, et de dérivés de ceux-ci ou d'autres oestrogènes. Le procédé décrit dans l'invention comprend les étapes qui consistent à sulfater le mélange de sels de métaux alcalins de .DELTA.?8,9¿-déhydroestrone, d'oestrone, et de dérivés de ceux-ci avec un complexe de trioxyde de soufre puis, à ajouter du tris(hydroxyméthyl)aminométhane.

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