Kowa Company Limited

Mingqiang Zhang

Henk Timmerman

Masahiro Tamura

Yasushi Wada

Kazuhiro Onogi

Tsutomu Toma

Maria Elizabeth Zwaagstra

This invention relates to a flavone derivative represented by the formula (1) or a salt thereof, and also to a medicine containing the same. ##STR1## wherein A represents H, halogen, phenyl, naphthyl, a group of the formula (2) in which X is H or halogen, B is --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.7)-- (R.sup.7 : lower alkyl or alkoxyalkyl), --O-- or --S--; W represents a single bond, --CH.sub.2 O-- or --CH.dbd.CH--; at least one of R.sup.1 to R.sup.4 represents --COOH, --CN, alkyloxycarbonyl, tetrazolyl or --CONHR.sup.8 (R.sup.8 : H, lower alkyl or phenylsulfonyl), the remainder thereof individually represent H, halogen, --OH, lower alkyl or lower alkoxyl; R.sup.5 represents H, --OH, lower alkoxyl, --O(CH.sub.2).sub.m NR.sup.9 R.sup.10 (R.sup.9,R.sup.10 : H or lower alkyl, or coupled together with the adjacent N to form a phthalimido group; m: 1-5), or a group of the formula (3) (n: 1-5, l: 2-3; and R.sup.6 represents H, halogen, lower alkyl or lower alkoxyl. A situation where A is H or halogen, W is a single bond and R.sup.5 is H is excluded. The compound (1) has excellent cys-LT.sub.1 receptor antagonism.

Flavone derivative and medicine comprising the same

Chalcone derivatives and drugs containing the same

This invention relates to a phenylene derivative represented by the following formula (1) or a salt thereof and also to a medicine containing it as an effective ingredient. ##STR1## wherein R.sup.1 represents H or halogen; A represents --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.2)--, --O-- or --S--; W represents --CH.dbd.CH-- or --CH.sub.2 O--; X represents --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 N(R.sup.3)--, --CH.dbd.N--, --COO-- or --CONH--; Y represents ##STR2## B.sup.1 represents --C(R.sup.7)(R.sup.8)(CH.sub.2).sub.l --, --S(O).sub.m (CH.sub.2).sub.n -- or --CH.dbd.C(R.sup.9)--; B.sup.2 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; Z.sup.1 and Z.sup.2 each represents O or S; etc. The phenylene derivative or salt thereof has antileukotrienic action and antihistaminic action and is useful as a medicine such as an asthma preventive or curative.

Phenylene derivatives

This invention relates to a phenylene derivative represented by the following formula (1) or a salt thereof and also to a medicine containing it as an effective ingredient. ##STR1## wherein R.sup.1 represents H or halogen; A represents --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.2)--, --O-- or --S--; W represents --CH.dbd.CH-- or --CH.sub.2 O--; X represents --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 N(R.sup.3)--, --CH.dbd.N--, --COO-- or --CONH--; Y represents ##STR2## B.sup.1 represents --C(R.sup.7)(R.sup.8)(CH.sub.2).sub.l, --S(O).sub.m (CH.sub.2).sub.n -- or --CH.dbd.C(R.sup.9)--; B.sup.2 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; Z.sup.1 and Z.sup.2 each represents O or S; etc. The phenylene derivative or salt thereof has antileukotrienic action and antihistaminic action and is useful as a medicine such as an asthma preventive or curative.

A piperidine derivative of formula (1) or salts thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent H or together represent O, R.sup.3 represents H, --R.sup.5 --COOR.sup.6, or --COOR.sup.6 (wherein R.sup.5 is a lower alkylene group, --CONH--, or --CONHCH.sub.2, and R.sup.6 is H or a lower alkyl group), R.sup.4 represents H, an aralkyloxy carbonyl group, an aminomethyl carbonyl group, or an aralkyloxy carbonyl aminomethyl carbonyl group, A represents O or a double bond, and the broken line has the meaning that a bonding hand may be present; and preventive and therapeutic agents for allergies, antihistaminic agents, and antileucotriene agents comprising the derivative or salts as their effective component. The compound of formula (1) has excellent antihistaminic activities and antileukotriene activities, which are well balanced, and is useful as a drug for the prevention and treatment of allergies such as asthma, allergic rhinitis, allergic dermatosis and urticaria.

Growing community of inventors

Amstelveen, Netherlands

Mingqiang Zhang