Quinazolinone derivatives

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 401/04 (2006.01) A61K 31/517 (2006.01) A61P 7/12 (2006.01) A61P 13/00 (2006.01) A61P 13/02 (2006.01) C07D 401/14 (2006.01)

Patent

CA 2457351

An optically active form of the quinazolinone derivatives represented by the general formula (1): (see formula 1) [wherein Y represents a phenyl group or C2-C7 alkyl group; E represents -CH= or nitrogen atom; and R represents a C1-C4 alkyl group and so on], or pharmaceutically acceptable salts thereof, has a selective antagonism for the M3 muscarinic receptor and depressant action on the frequency of rhythmic bladder contractions, and it is useful for the treatment of pollakiuria and urinary incontinence.

L'invention concerne un isomère à activité optique d'un dérivé de quinazolinone représenté par la formule générale (1): (dans laquelle Y représente phényle ou alkyle C2-7; E représente CH= ou azote; et R représente alkyle C1-4, etc.) ou un sel pharmaceutiquement acceptable de l'isomère. Cet isomère et son sel présentent un antagonisme sélectif vis-à-vis du récepteur M3 de la muscarine et ils permettent de réduire la fréquence de la contraction rythmique de la vessie. L'isomère et son sel sont utilisés dans les traitements de la miction fréquente ou de l'incontinence urinaire.

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