Heterocyclic compounds and antitumor agent comprising the...

C - Chemistry – Metallurgy – 07 – D

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C07D 403/04 (2006.01) A61K 31/5377 (2006.01) A61P 35/00 (2006.01) C07D 403/14 (2006.01) C07D 413/14 (2006.01)

Patent

CA 2503451

The present invention relates to heterocyclic compounds represented by the formula I (see formula I) wherein X represents nitrogen atom or CH; R1 represents halogen atom or hydroxyl; R2 represents hydrogen atom, hydroxyl or amino; R3 represents morpholino (which may be substituted with one or two C1-C6 alkyl), pyrrolidinyl (which may be substituted with hydroxy C1-C6 alkyl) or NR6R7 [R6 represents C1-C6 alkyl and R7 represents piperidinyl (which may be substituted with C1-C6 alkyl)]; R4 and R5 each represents hydrogen atom or C1-C6 alkyl, with the proviso that R2 is hydrogen atom and R3 is pyrrolidinyl (which may be substituted with hydroxy C1-C6 alkyl) when R1 is hydroxyl

La présente invention concerne des composés hétérocycliques représentés par la formule (I) dans laquelle X représente N ou CH; R¿1? représente halogéno ou hydroxyle; R¿2? représente hydrogène, hydroxyle ou amino; R¿3? représente morpholino (qui peut être remplacé par un ou deux groupes alkyle C¿1-6?), pyrrolidinyle (qui peut être remplacé par hydroxy alkyle C¿1-6?) ; NR¿6?R¿7? [dans lequel R¿6? représente alkyle C¿1-?6 et R7 représente pipéridinyle (qui peut être remplacé par alkyle C¿1-6?)]; et R¿4? et R¿5? représentent chacun hydrogène ou alkyle C¿1-6?, à condition que R¿2? représente hydrogène et R¿3? représente pyrrolidinyle (qui peut être remplacé par hydroxy alkyle C¿1-6?) lorsque R¿1? représente hydroxyle. Formule (I)

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