2-ALKYL-6-CYCLOAMINO-3-(PYRIDIN-4-YL)IMIDAZO[1,2-IB]-PYRIDAZINE DERIVATIVES, PREPARATION THEREOF, AND THERAPEUTIC APPLICATION THEREOF
The invention relates to 2-alkyl-6-cycloamino-3-(pyridin-4-yl)imidazo[1,2- b]pyridazine derivatives of the general formula (I) where: R2 is a C1-6-alkyl, C3.7-cycloalkyl, C3-7-cycloalkyl-C1-4-alkyl, C1-4-alkyloxy- C-M-alkyl, C3-7-cycloalkyloxy-C1-4-alkyl> C3.7-cycloalkyl-C1-4-alkyloxy-C1-4-alkyl,...
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Zusammenfassung: | The invention relates to 2-alkyl-6-cycloamino-3-(pyridin-4-yl)imidazo[1,2- b]pyridazine derivatives of the general formula (I) where: R2 is a C1-6-alkyl, C3.7-cycloalkyl, C3-7-cycloalkyl-C1-4-alkyl, C1-4-alkyloxy- C-M-alkyl, C3-7-cycloalkyloxy-C1-4-alkyl> C3.7-cycloalkyl-C1-4-alkyloxy-C1-4-alkyl, hydroxy-C1-6-alkyl, C1-4-fluoroalkyl group; R3 is a hydrogen atom or a substituent selected from halogen atoms and the C1-3 alkyl, -NR4R5, hydroxyl or C1-4 alkyloxy groups ; A is a C-1-7-alkylene group optionally substituted by one or two Ra groups; B is a C-1-7-alkylene group optionally substituted by one or two Rb groups; L is either a nitrogen atom optionally substituted by an Rc or Rd group or a carbon atom substituted by an Re1 group and an Rd group or by two Re2 groups; Rd is a group selected from a hydrogen atom or a C1-6-alkyl, C3-7-cycloalkyl, C3-7- cycloalkyl-C1-6-alkyl, C1-6-alkylthio-C-1-6-alkyl, C1-6-alkyloxy-C1-6-alkyl, C1- 6-fluoroalkyl, hydroxy-C1-6-alkyl group; Rf is a C1-6-alkyl, C3-7-cycloalkyl, C3-7-cycloalkyl-C1-6-alkyl, C1-6-alkyloxy-C1-6-alkyl, C3-7-cycloalkyloxy-C1-4-alkyl, C3-7- cycloalkyl-C1-4-alkyloxy-C1-4-alkyl, hydroxy-C1-6-alkyl, C1-6-fluoroalkyl or benzyl group. The invention also relates to a method for preparing same and to the therapeutic application thereof.
L'invention concerne des dérivés de 2-alkyl-6-cycloamino-3-(pyridin-4-yl)imidazo[1,2- b]pyridazine, répondant à la formule générale (I) dans laquelle R2 représente un groupe C1-6-alkyle, C3.7-cycloalkyle, C3-7-cycloalkyl-C1-4-alkyle, C1-4-alkyloxy- C-M-alkyle, C3-7-cycloalkyloxy-C1-4-alkyle> C3.7-cycloalkyl-C1-4-alkyloxy-C1-4-alkyle, hydroxy-C1-6-alkyle, C1-4-fluoroalkyle; R3 représente un atome d'hydrogène ou un substituant choisi parmi les atomes d'halogène et les groupes C1-3 alkyle, -NR4R5, hydroxyle ou C1-4 alkyloxy; A représente un groupe C-1-7-alkylène éventuellement substitué par un ou deux groupes Ra; B représente un groupe C1-7-alkylène éventuellement substitué par un groupe Rb; L représente soit un atome d'azote éventuellement substitué par un groupe Rc ou Rd, soit un atome de carbone substitué par un groupe Re1 et un groupe Rd ou deux groupes Re2; Rd représente un groupe choisi parmi l'atome d'hydrogène et les groupes C1-6-alkyle, C3-7-cycloalkyle, C3-7- cycloalkyl-C1-6-alkyle, C1-6-alkylthio-C-1-6-alkyle, C1-6-alkyloxy-C1-6-alkyle, C1- 6-fluoroalkyle, hydroxy-C1-6-alkyle; Rf représente un groupe C1-6-alkyle, C3-7-cycloalkyle, C3-7-cycloalkyle-C1-6-alkyle, C1-6-al |
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