Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-04-24
2007-04-24
Bernhardt, Emily (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S280000, C514S284000, C514S285000, C544S233000, C546S048000, C546S061000, C546S070000
Reexamination Certificate
active
11121292
ABSTRACT:
The invention provides compounds of formula I or formula II:wherein:the bond represented by --- is a single bond or a double bond, and R1–R5, X, and Y have any of the meanings defined in the specification and their pharmaceutically acceptable salts. The invention also provides pharmaceutical compositions comprising a compound of formula I or II, processes for preparing compounds of formula I or II, intermediates useful for preparing compounds of formula I or II, and therapeutic methods for treating cancer and other topoisomerase related conditions using compounds of formula I or II.
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LaVoie Edmond J.
Liu Leroy F.
Ruchelman Alexander L.
Bernhardt Emily
Rutgers The State University of New Jersey
Viknins Harris & Pady PLLP
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