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US 5,312,999 AGranted
Propoxybenzene derivatives and process for preparing the same
AssigneeDaiichi Seiyaku Co., Ltd.
InventorsToshihiro Fujiwara, Tutomu Ebata
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Abstract
Propoxybenzene derivatives represented by the following formula ##STR1## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C.sub.1-6 -Alkyl).sub.2 group, Rb represents a hydrogen atom, a protecting group for the hydroxyl group or a substituted sulfonyl group and Xa and Xb, which may be the same or different, each represents a halogen atom, and processes for preparation thereof are disclosed. These derivatives are useful in preparing antibacterial agents.
Claims2
A propoxybenzene derivative represented by the following formula:
- ##STR8## wherein Ra represents a nitro group, an amino group which may have a protecting group or an --NHCH.dbd.C(COO--C.sub.1-6 -Alkyl).sub.2 group, Rb represents a hydrogen atom, a protecting group for the hydroxyl group or a p-toluenesulfonyl, methanesulfonyl or trifluoromethanesulfonyl group and Xa and Xb, which may be the same or different, each represents a halogen atom.
Dependencies are inferred from the claim text.