Patents

US8435975: Steroidal esters of 17-oximino-5-androsten-3beta-ol

The invention relates to steroidal esters of 17-oximino-5-androsten-3-ol, of compound of general formula (A) wherein R is selected from a group consisting of arylalkyl, aryl, substituted aryl. The ester derivatives are synthesized starting from dehydroandrosterone acetate. The compounds were tested for their antiproliferative activity and 5?-reductase inhibitory activity in comparison to finasteride. Decreased androgen level have been found in serum of animal treated with newly synthesized compounds. These compounds have also shown better cytotoxicity in comparison to reference drug finasteride. Thus such compounds can be useful in treatment of androgen dependent disorder of prostate alone or by synergistic effect they can decrease the size of prostate due to their antiproliferative activity.

Filing Date: 24-02-2010

Issue Date: 07-05-2013

Applicant: CSIR(SCH)

Patent No: US8435975

Application No: 12/733415

Inventor(s): Tilak Raj Bhardwaj; Manoj Kumar; Neelima Dhingra; Neeraj Mehta

IPC Classification: A61K 31/568, C07J41/00, A61P5/28

Country: United States of America

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