Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-05-06
2008-05-06
Stockton, Laura L. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S327100
Reexamination Certificate
active
10523008
ABSTRACT:
The present invention relates to a 1-substituted-4-nitroimidazole compound represented by the general formula (1) or a salt thereof,(wherein R is a hydrogen atom, a lower alkoxy group-substituted lower alkyl group, a phenyl-lower alkoxy group-substituted lower alkyl group, a cyano-substituted lower alkyl group, a phenyl-lower alkyl group which may have lower alkoxy groups as the substituents in the phenyl ring or a group of the formula —CH2RA; X is a halogen atom or a group of the formula —S(O)n—R1) and method for preparing the same. The compound of the formula (1) is a useful compound as an intermediate for synthesis of various pharmaceutical and agricultural chemicals, particularly, as intermediates for antitubercular agents.
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Suwinski et al.; “Nitroimidazoles. Part V. Chloronitroimidazoles From Dinitroimidazoles, A Reinvestigation”; Polish Journal of Chemistry, (Formerly Roczniki Chemii), vol. 56, pp. 1261-1272, ( 1982).
Fujita Shigekazu
Goto Fumitaka
Hasegawa Takeshi
Kuroda Hideaki
Otani Tadaaki
Otsuka Pharmaceutical Co. Ltd.
Stockton Laura L.
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