| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to novel compounds of formula (I) which are protein tyrosine kinase 1B(PTP-1B) inhibitors and can be used in medicinal preparations for treating and preventing diseases related to high concentration of glucose in blood, for example diabetes and obesity. In formula (I) X is a X-1 group or X-2: , where R1 and R2 are each independently selected from a group consisting of hydrogen, lower alkyl, alkoxy-lower alkyl and hydroxyl-lower alkyl, under the condition that, R1 and R2 both represent hydrogen; R3, R4, R6 and R7 are each independently selected from a group consisting of hydrogen, lower alkyl; lower alkyl substituted with halogen or hydroxy; lower alkoxy; lower alkoxy substituted with halogen, hydroxy or lower alkoxy; hydroxyl, halogen, lower alkylthio, lower alkylsufanyl, lower alkylsufanyl, aminosufonyl, cyano, nitro, carbamoyl, lower mono- or dialkylcarbamoyl, lower alkanoyl, benzoyl, phenyl, phenyl substituted with halogen, phenyloxy, lower mono- or dialkylamino, hydroxy-substituted lower alkylamino, lower alkanoylamino, lower alkylsulfonylamino, heterocycloalkyl, hydroxy-substituted heterocycloalkyl, heterocyclyloxy, heterocyclylcarbonyl; where each heterocycloalkyl in the said values represents a 5-6-membr ring containing 1-2 heteroatoms selected from nitrogen and oxygen, and which can be substituted with lower alkyl or phenyl-lower alkyl; carboxyl, lower alkoxycarbonyl and a substitute of formula: ; R8 is selected from a group consisting of hydrogen, lower alkylthio, halogen, alkoxy-lower alkoxy, lower alkoxy, halogen-lower alkyl, hydroxy-lower alkyl; represents a 5-member heteroaromatic ring containing 1 or 2 heteroatoms selected from a group consisting of hydrogen, sulphur and nitrogen; R8 and R9 each independently represents hydrogen or lower alkyl. ^ EFFECT: novel compounds have useful biological properties. ^ 31 cl, 7 dwg, 152 ex |
