Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-09-30
2011-11-01
Lundgren, Jeffrey S. (Department: 1629)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S423000, C514S424000, C548S541000, C548S531000
Reexamination Certificate
active
08048909
ABSTRACT:
A proton pump inhibitor containing a compound represented by the formula (I)wherein X and Y are the same or different and each is a bond or a spacer having 1 to 20 carbon atoms in the main chain, R1is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, R2, R3and R4are the same or different and each is a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted thienyl group, an optionally substituted benzo[b]thienyl group, an optionally substituted furyl group, an optionally substituted pyridyl group, an optionally substituted pyrazolyl group, an optionally substituted pyrimidinyl group, an acyl group, a halogen atom, a cyano group or a nitro group, R5and R6are the same or different and each is a hydrogen atom or an optionally substituted hydrocarbon group, which has a superior proton pump action and shows an antiulcer activity and the like after conversion to a proton pump inhibitor in the body, or a salt thereof, or a prodrug thereof is provided.
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Hasuoka Atsushi
Kajino Masahiro
Takagi Terufumi
Baek Bong-Sook
Conlin David G.
Edwards Angell Palmer & & Dodge LLP
Kim Dwight D.
Lundgren Jeffrey S.
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