Amide derivatives and medicinal compositions thereof

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 233/64 (2006.01) A61K 31/41 (2006.01) A61K 31/415 (2006.01) A61K 31/425 (2006.01) C07C 217/16 (2006.01) C07C 271/16 (2006.01) C07C 271/20 (2006.01) C07D 233/54 (2006.01) C07D 235/16 (2006.01) C07D 249/12 (2006.01) C07D 257/04 (2006.01) C07D 277/30 (2006.01) C07D 277/40 (2006.01) C07D 277/42 (2006.01) C07D 285/12 (2006.01) C07D 471/04 (2006.01)

Patent

CA 2272285

Amide derivatives represented by general formula (I), or their salts and medicinal compositions containing these derivatives and pharmaceutically acceptable carriers, wherein each symbol has the following meaning: A: heteroarylene; X: a bond, O, S, -NR5-, -NR5 CO-, -NR5 CONH-, -NR5 SO2 - or -NR5 C(=NH)NH-; R1 : H, optionally substituted lower aryl, optionally substituted aryl, optionally substituted heteroaryl or optionally substituted cycloalkyl; R2a and R2b : being the same or different from each other and each representing H or lower alkyl; R3 : H or lower alkyl; R4a and R4b : being the same or different from each other and each representing H or OH, or R4a and R4b forming together =O or =N-O-lower alkyl; and R5 : H or lower alkyl. These compounds are useful as remedies for diabetes having an insulin secretion accelerating effect together with an insulin sensitivity increasing effect.

Dérivés amide représentés par la formule générale (I), ou leurs sels, compositions médicinales à base de ces dérivés, et vecteurs pharmaceutiquement acceptables. Dans cette formule, A est hétéroarylène; X est une liaison, O, S, -NR<5>-, -NR<5>CO-, -NR<5>CONH-, NR<5>SO2- ou -NR<5>C(=NH)NH-; R<1> est H, alkyle inférieur éventuellement substitué, aryle éventuellement substitué, hétéroaryle éventuellement substitué ou cycloalkyle éventuellement substitué; R<2a> et R<2b>, qui sont identiques ou différents, sont chacun H ou alkyle inférieur; R<3> est H ou alkyle inférieur; R<4a> et R<4b>, qui sont identiques ou différents, sont chacun H ou OH, ou R<4a> et R<4b> forment ensemble =O ou =N &tilde& O-alkyle inférieur; et R<5> est H ou alkyle inférieur. Les composés décrits conviennent particulièrement pour le traitement du diabète car ils ont un double effet: accélération de sécrétion d'insuline et augmentation de sensibilité insulinique.

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