Heterocyclic compounds and thrombopoietin receptor activators

Details Heterocyclic compounds and thrombopoietin receptor activators Heterocyclic compounds and thrombopoietin receptor activators

2007-08-13

2009-08-18

Shiao, Rei-tsang (Department: 1626)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C548S373100, C548S375100, C548S376100

Reexamination Certificate

active

07576115

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 OR13, SR13or 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 is pharmaceutically acceptable salt of the compound or a solvate thereof.

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