Fujisawa Pharmaceutical Company, Ltd.

Noriko Oku

Hiroshi Kayakiri

Noritsugu Yamasaki

Hitoshi Sawada

Takafumi Imoto

Takahiro Hiramura

Yoshito Abe

Hiroyuki Setoi

Hitoshi Hamashima

Naoki Ishibashi

Tomohiro Oku

Miho Kawauchi

Chikaka Oku

Chikako Oku

Tomohito Oku

The present invention relates to a sulfonamide compound of the formula (I):wherein each symbol is as defined in the specification, a salt thereof, and a pharmaceutical composition containing same. This compound can be an effective agent for the prophylaxis and treatment of the diseases curable based on a hypoglycemic action, and the diseases curable based on a cGMP-PDE inhibitory action, a smooth muscle relaxing action, a bronchodilating action, a vasodilating action, a smooth muscle cell inhibitory action and an allergy suppressing action.

Sulfonamide compounds and uses thereof as medicines

The present invention provides novel benzimidazole derivatives of the following formula (I) and salts thereof:wherein Rrepresents a lower alkyl group or a lower alkyloxy-lower alkyl group; Rrepresents a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an aryl group, and such; Rrepresents a lower alkyl group, a lower alkenyl group, an aryl group, a lower alkylaryl group, an aryl-lower alkenyl group, a halothienyl group, a lower alkylamino group, or an aryl-lower alkylamino group; A represents a benzene ring, a naphthalene ring, or a pyridine ring; and X represents a halogen atom. The derivatives and their salts have blood sugar level-depressing activity or PDE5-inhibiting activity, and are useful as pharmaceutical preparations.

Benzimidazole derivatives

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Tokyo, Japan

Noriko Oku