WATER-SOLUBLE PHENYLPYRIDAZINE DERIVATIVES AND THERAPEUTICAL AGENTS CONTAINING THEM Russian patent published in 2007 - IPC C07D237/14 A61K31/50 A61K31/501 A61K31/5377 A61P9/00 A61P19/02 A61P19/10 A61P29/00 A61P37/02 A61P31/04 

Abstract RU 2302413 C2

FIELD: pharmaceutical chemistry.

SUBSTANCE: invention relates to phenylpyridazine derivative of general formula I , wherein R1 represents C1-C12-alkyl optionally comprising cyclic C3-C6-alkyl structures and optionally substituted by phenyl, which may be substituted by 1-2 halogen atoms; or C1-C12-alkenyl substituted by optionally halogen-substituted phenyl; R2 and R3, independently form each other, represent hydrogen, C1-C12-alkyl, C1-C12-hydroxyalkyl, C1-C12-dihydroxyalkyl, or C1-C12-alkynyl; or R2 and R3, together with adjacent nitrogen atom form 5-6-membered saturated heterocyclic group containing 1-2 nitrogen atoms and optionally oxygen atom, indicated heterocyclic group being optionally substituted by C1-C12-alkyl group, C1-C12-alkoxydicarboxylic group or phenyl-C1-C7-alkyl group; X, Y, and Z, independently form each other, represent hydrogen, halogen, optionally halogen(s)-substituted C1-C12-alkyl, C1-C12-alkoxy, C1-C12-alkylthio, C1-C12-alkylsulfinyl, C1-C12-alkylsulfonyl, or phenyl; and n is a number from 0 to 5; provided that R2 and R3 cannot be simultaneously hydrogen atoms or identical C1-C3-alkyl groups when R1 is benzyl or C1-C3-alkyl group; and salts of compounds I. Foregoing compounds manifest inhibitory activity against production of interleukin IL-1β being well dissoluble in water and characterized by good oral absorption. Invention also relates to therapeutical agent inhibiting production of interleukin 1β, pharmaceutical composition, employment of above-defined compounds, a method for treating disease caused by interleukin 1β production stimulation as well as methods for treating immune system disturbances, inflammatory conditions, ischemia, osteoporosis, or septicemia using above compounds.

EFFECT: expanded therapeutical possibilities.

22 cl, 4 dwg, 2 tbl, 217 ex

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Authors

Kiotani Esinori

Kosi Tomojuki

Sigio Khiromiti

Josizaki Khideo

Kitamura Takakhiro

Takemura Sundzi

Jasuoka Kioko

Totsuka Dzunko

Sato Sejiti

Dates

2007-07-10Published

2002-09-25Filed