Heterocyclic compounds and thrombopoietin receptor activators

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Details

C549S068000, C549S070000, C549S074000, C549S078000, C549S080000, C514S445000, C514S446000, C514S447000, C514S448000

Reexamination Certificate

active

11294609

ABSTRACT:
A compound represented by the formula (1):wherein A is a nitrogen atom or CR4, B is an oxygen atom, a sulfur atom or NR9(provided that when A is a nitrogen atom, B is not NH), R1is a C2-14aryl group, L1is a bond, CR10R11, an oxygen atom, a sulfur atom or NR12, X is OR13SR13or NR14NR15, R2is a hydrogen atom, a formyl group, a C1-10alkyl group or the like, L2is a bond or the like, L3is a bond, CR17R18, an oxygen atom, a sulfur atom or NR19, L4is a bond, CR20R21, an oxygen atom, a sulfur atom or NR22, Y is an oxygen atom, a sulfur atom or NR23, and R3is a C2-14aryl group, a tautomer, prodrug or pharmaceutically acceptable salt of the compound or a solvate thereof.

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van den Oudenrijn, Thromobopoietin Receptor, retieved Jan. 18, 2007 from Internet, <http://mmpr.nci.nih.gov/prow/guide/11586825—g.htm>, Protein Reviews On the Web, p. 1-6.
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