Intermediates for the preparation of radioactive steroids

C - Chemistry – Metallurgy – 07 – J

Patent

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C07J 1/00 (2006.01) G01N 33/534 (2006.01) G01N 33/74 (2006.01)

Patent

CA 1242696

PRECIS DE LA DIVULGATION: L'invention a pour objet des produits industriels nouveaux choisis dans le groupe constitué par: la 11.beta. -hydroxy-6-dibromométhylène-androsta-4-èn-3,17-dione; la 11 .beta.-hydroxy-6-méthyl-3H3-androsta-4-èn-3,17-dione; la 3-éthoxy-11.beta. -hydroxy-6-méthyl-3H3-androsta-3,5-dièn- 17-one; et le 3-éthoxy-11.beta. , 17 .beta.-dihydroxy-6-méthyl-3H3- 17 .alpha.-(prop-1-ynyl)androsta-3,5-diène. Ces produits sont utiles à titre d'intermédiaire pour la préparation de stéroides radioactifs marqués au tritium qui sont utiles pour la mise en évidence des récepteurs de glucocorticoïdes et au dosage du nombre de sites de fixation des glucocorti- coîdes.

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