1-pyridyl-benzofuro[3,2-b]pyridin-2(1H)-ones

Details 1-pyridyl-benzofuro[3,2-b]pyridin-2(1H)-ones 1-pyridyl-benzofuro[3,2-b]pyridin-2(1H)-ones

2005-05-17

2009-11-10

Seaman, D. Margaret (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07615639

ABSTRACT:
1-heterocyclyl-1,5-dihydro-pyrido[3,2-b]indol-2-ones of formula (I):the N-oxides, salts, stereoisomeric forms, racemic mixtures, prodrugs, esters and metabolites thereof, wherein n is 1, 2 or 3;R1is hydrogen, cyano, halo, substituted carbonyl, methanimidamidyl, N-hydroxy-methanimidamidyl, mono- or di(C1-4alkyl)methanimidamidyl, Het1or Het2;X is NR2, O, S, SO, SO2;R2is hydrogen, C1-10alkyl, C2-10alkenyl, C3-7cycloalkyl, which are optionally substituted; R2is aryl substituted with —COOR4; or R2is:in-line-formulae description="In-line Formulae" end="lead"?—CpH2p—CH(OR14)—CqH2q—R15  (b-3);in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—CH2—CH2—(O—CH2—CH2)m—OR14  (b-4);in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—CH2—CH2—(O—CH2—CH2)m—NR5aR5b(b-5);in-line-formulae description="In-line Formulae" end="tail"?-a1=a2-a3=a4- is —CH═CH—CH═CH—; —N═CH—CH═CH—; —CH═N—CH═CH—; —CH═CH—N═CH—; —CH═CH—CH═N—; wherein hydrogen atoms in (c-1)-(c-5) may be replaced by certain radicals;R3is a monocyclic or bicyclic aromatic heterocyclic ring system that can be substituted.

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