Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Reexamination Certificate
2006-06-27
2006-06-27
Badio, Barbara P. (Department: 1617)
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
C552S561000, C552S615000, C540S031000
Reexamination Certificate
active
07067682
ABSTRACT:
Steroid compounds having various oxygen substitution on the steroid nucleus are disclosed. A specific functionality present on many of the steroid compounds is oxygen substitution at both of positions 6 and 7. Thus, certain steroids have oxygen substitution at C6 and C7, and some have specific stereochemistries such as 6α and 7β oxygen substitution, and an alpha hydrogen at the 5 position in addition to having 6α and 7β oxygen substitution. Steroids having 3,4-epoxy functionality are also disclosed. In addition, steroids having C17 pyran and δ-lactone functionality, with oxygen substitution at C6 and C7, or at C15, of the steroid nucleus, are disclosed.
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Burgoyne David L.
Chau Joseph H L
Langlands John M.
Piers Edward
Rogers Christine
Badio Barbara P.
Inflazyme Pharmaceuticals Ltd.
Seed IP Law Group PLLC
The University of Alberta
The University of British Columbia
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