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    • 8. 发明申请
      US20080221096A1 Pyrido[3' ,2':4,5]Furo[3,2-d]Pyrimidine Derivatives 审中-公开
    • Pyrido[3' ,2':4,5]Furo[3,2-d]Pyrimidine Derivatives
    • US20080221096A1
    • 2008-09-11
    • US11996781
    • 2006-07-21
    • Joan Taltavull Moll , Luis Miguel Pages Santacana
    • Joan Taltavull Moll , Luis Miguel Pages Santacana
    • A61K31/5377 , C07D239/70 , C07D295/00 , A61P17/00 , A61P1/00 , A61P11/00 , A61K31/519
    • C07D491/14
    • The present disclosure relates to a pyridofuropyrimidine derivative of formula (I): whereinG1 is a group chosen from —CR6R7— and —O— wherein R6 and R7 are independently chosen from hydrogen atoms and C1-4 alkyl groups; R1 and R2 are independently chosen from hydrogen atoms and C1-4 alkyl groups; R3 is chosen from C1-4 alkyl, C1-4 alkoxy, amino, hydroxy, mono-C1-4alkylamino, di-C1-4alkylamino, C3-8cycloalkylamino, aryl, heteroaryl and saturated N-containing heterocyclyl groups which are bound to the pyridine ring through their nitrogen atom, all of them being optionally substituted by one or more substituents chosen from halogen atoms and hydroxy, C1-4 alkyl, C1-4alkoxy-C1-4alkyl, aryl-C1-4alkyl, —O(CO)OR8, C1-4 alkoxy, —(CO)NR8R9, —CN, —CF3, —NR8R9, —SR8 and —SO2NH2 groups wherein R8 and R9 are each independently chosen from a hydrogen atom or a C1-4 alkyl group; R4 and R5 are independently chosen from hydrogen atoms, C1-4alkyl groups, hydroxyl-C1-4alkyl groups and groups of formula (II): wherein p and q are integers chosen from 0, 1, 2 and 3; A is either a direct bond or a group chosen from —CONR14—, —NR14CO—, —O—, —COO—, —OCO—, —S—, —SO— and —SO2—, wherein each R10, R11, R12, R13 and R14 are independently chosen from a hydrogen atom and a C1-4alkyl group and G2 is chosen from aryl, heteroaryl and heterocyclyl groups; wherein the group G2 is optionally substituted by one or more substituents chosen from halogen atoms and C1-4alkyl, hydroxy, oxo, C1-4alkoxy-C1-4alkyl, aryl-C1-4alkyl, —(CO)OR16, C1-4alkoxy, —(CO)NR16R17, —CN, —CF3, —NR16R17—SR16 and —SO2NH2 groups; wherein R16 and R17 each independently chosen from hydrogen atom and a C1-4alkyl group and the pharmaceutically acceptable salts and N-oxides thereof.
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