Nitrogenous fused heteroaromatic ring derivative

C - Chemistry – Metallurgy – 07 – D

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C07D 487/04 (2006.01) A61K 31/5025 (2006.01) A61K 31/53 (2006.01) A61P 1/16 (2006.01) A61P 3/00 (2006.01) A61P 3/04 (2006.01) A61P 3/06 (2006.01) A61P 3/10 (2006.01) A61P 5/00 (2006.01) A61P 9/00 (2006.01) A61P 9/04 (2006.01) A61P 9/10 (2006.01) A61P 9/12 (2006.01) A61P 13/12 (2006.01) A61P 19/06 (2006.01) A61P 25/00 (2006.01) A61P 25/02 (2006.01) A61P 25/08 (2006.01) A61P 25/14 (2006.01) A61P 25/16 (2006.01) A61P 25/20 (2006.01) A61P 25/22 (2006.01) A61P 25/24 (2006.01) A61P 25/28 (2006.01) A61P 25/32 (200

Patent

CA 2556404

A compound represented by the formula (I): [wherein A1 represents hydrogen, etc.; j and k each is 0 or 1; ~ (P)j = represents a double bond, etc.; ~ (Q)k = represents a double bond, etc.; and one of W1 and W2 represents E-O-W, etc. and the other represents hydrogen, etc., provided that E represents a divalent group formed by removing two hydrogen atoms from a benzene ring, etc. and W represents a group represented by the formula (II-1)] or a pharmaceutically acceptable salt of the compound. The compound and salt have antagonistic activity against a histamine H3 receptor or inverse agonistic activity against a histamine H3 receptor and are useful in the prevention or treatment of metabolic diseases, circulatory diseases, or nervous diseases.

Un compose représenté par la formule (I) :¿?(I) ) [où A¿1? représente l~hydrogène, etc.; j et k sont chacun 0 ou 1 ~ (P)¿j ?=¿ ?représente une double liaison, etc.; ~ (Q)¿k ?=¿ ?représente une double liaison, etc.; et W¿1? ou W¿2? représentent E-O-W, etc. et les autres représentent l~hydrogène, etc., étant donné que E représente un groupe divalent formé par suppression de deux atomes d~hydrogène d~un noyau benzénique, etc. et W représente un groupe représenté par la formule (II-1)] (II-1) ou un sel du composé acceptable du point de vue pharmaceutique.¿ ?Le composé et le sel ont une activité antagoniste contre un récepteur d~histamine H3 ou une activité agonistique inverse contre un récepteur d~histamine H3 et sont utilisés dans la prévention ou le traitement des maladies métaboliques, des troubles circulatoires ou des maladies nerveuses.¿ ?

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