Pyranone derivatives useful for treating cancer

Details Pyranone derivatives useful for treating cancer Pyranone derivatives useful for treating cancer

2005-01-14

2008-07-29

Seaman, D. Margaret (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C514S460000

Reexamination Certificate

active

07405309

ABSTRACT:
The invention relates to pyranone derivatives of general formula (I), wherein X is chlorine, bromine or iodine and R1and R2is independently a hydrogen atom, an alkyl, cycloalkyl or alkylene, linear or branched group containing 1-20 carbon atoms, optionally substituted by a hydroxyl, amino, ether or halogen group, or R1and R2form together a cycle of 5, 6, 7 or 8 members which is optionally substituted by a hydroxyl, amino, ether or halogen group including isomers, enantiomers, diastereoisomers and the mixtures thereof. A method for preparing the inventive derivatives and the therapeutic use thereof, in particular for treating cancer, are also disclosed.

REFERENCES:
patent: 5093505 (1992-03-01), Nishino et al.

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