Novel heterocyclic derivatives, preparation method and...

C - Chemistry – Metallurgy – 07 – D

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C07D 263/58 (2006.01) A61K 31/423 (2006.01) A61K 31/428 (2006.01) A61K 31/4353 (2006.01) A61P 3/06 (2006.01) A61P 3/10 (2006.01) C07D 277/68 (2006.01) C07D 417/06 (2006.01) C07D 471/04 (2006.01) C07D 498/04 (2006.01)

Patent

CA 2398674

The invention concerns compounds of formula (I) wherein: X represents an oxygen or sulphur atom, or a CH2 or (1) group; R<1> and R<2> represent a hydrogen atom, or a group such as defined in the description; A represents an alkylene chain as described in the description; B is such as defined in the description; R<3> and R<4> represent a hydrogen atom or a group as defined in the description; D represents a benzene, pyridine, pyrazine, pyrimidine or pyridazine ring optionally substituted.

Composés de formule (I): (voir formule I) dans laquelle: ~ X représente un atome d'oxygène ou de soufre, ou un groupement CH2 ou (voir formule II) ~ R1 et R2 représentent un atome d'hydrogène, ou un groupement tel que défini dans la description, ~ A représente une chaîne alkylène telle que décrite dans la description, ~ B est tel que défini dans la description, ~ R3 et R4 représentent un atome d'hydrogène ou un groupement tel que défini dans la description, ~ D représente un noyau benzénique, pyridinique, pyrazinique, pyrimidinique ou pyridazinique éventuellement substitués.

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