C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 413/14 (2006.01) A61K 31/421 (2006.01) A61K 31/422 (2006.01) A61K 31/426 (2006.01) A61K 31/427 (2006.01) A61K 31/4365 (2006.01) A61K 31/4439 (2006.01) A61K 31/506 (2006.01) A61P 13/00 (2006.01) C07D 263/34 (2006.01) C07D 277/30 (2006.01) C07D 413/04 (2006.01) C07D 417/04 (2006.01) C07D 417/14 (2006.01) C07D 495/04 (2006.01)
Patent
CA 2444596
A large conductance calcium-activated K channel opener comprising as an active ingredient a nitrogen-containing 5-membered heterocyclic compound represented by the following formula (I): wherein X represents N-R4, O or S, R1 and R2 each independently represent hydrogen, halogen, carboxyl, amino, lower alkyl, lower alkoxycarbonyl, lower alkenyl, cyclo-lower alkyl, carbamoyl, aryl, heterocyclic or heterocyclic-substituted carbonyl group, R3 represents aryl, heterocyclic or lower alkyl group, and R4 represents hydrogen or lower alkyl group.
L'invention concerne une substance d'ouverture du canal k activée par le calcium à grande conductance qui comprend, en tant qu'ingrédient actif, un composé hétérocyclique azoté à 5 chaînons de la formule (I) dans laquelle X est N-R?4¿, O ou S; R?1¿ et R?2¿ sont chacun, indépendamment, hydrogène, halogène carboxyle, amino, alkyle inférieur, alcoxycarbonyle inférieur, alcényle inférieur, alkyle cyclo-inférieur, carbamoyle, aryle, un groupe carbonyle hétérocyclique ou hétérocyclique-substitué; R?3¿ est aryle, un groupe hétérocyclique ou alkyle inférieur; et R?4¿ est hydrogène ou un groupe alkyle inférieur.
Hongu Mitsuya
Hosaka Toshihiro
Kashiwagi Toshihiko
Kobayashi Hiroyuki
Kono Rikako
Mitsubishi Tanabe Pharma Corporation
Sim & Mcburney
Tanabe Seiyaku Co. Ltd.
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