A process for the preparation of 7.alpha.-hydroxy 3-aminosubstituted sterols using intermediates with an unprotected 7.alpha.-hydroxy group

Details for Australian Patent Application No. 2001253427 (hide)

Owner Genaera Corporation

Inventors Zhang, Xuehai; Michalak, Ronald; Kinney, William A

Agent FB Rice

Pub. Number AU-B-2001253427

PCT Pub. Number WO01/79255

Priority 60196646 12.04.00 US

Filing date 12 April 2001

Wipo publication date 30 October 2001

Acceptance publication date 8 February 2007

International Classifications

C07J 9/00 (2006.01) Normal steroids containing carbon, hydrogen, halogen, or oxygen, substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane

C07B 61/00 (2006.01) Other general methods

C07J 21/00 (2006.01) Normal steroids containing carbon, hydrogen, halogen, or oxygen, having an oxygen-containing hetero ring spiro-condensed with the cyclopenta[a]hydrophenanthrene skeleton

C07J 31/00 (2006.01) Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing sulfur

C07J 41/00 (2006.01) Normal steroids, i.e. cyclopenta[a]hydrophenanthrenes, containing nitrogen

Event Publications

8 February 2007 Application Accepted

  Published as AU-B-2001253427

7 June 2007 Standard Patent Sealed

10 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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