8-CYANO-1-CYCLOPROPYL-7-(1S,6S-2,8-DIAZABICYCLO-[4,3,0]-NONANE-8-YL)-6- FLU ORO-1,4-DIHYDRO-4-OXO-3-QUINOLINE CARBOXYLIC ACID OF CRYSTALLINE MODIFICATION B AND MEDICINAL AGENT BASED ON THEREOF ELICITING EFFECT AGAINST PATHOGENIC MICROORGANISMS Russian patent published in 2005 - IPC

Abstract RU 2248355 C2

FIELD: organic chemistry, medicine.

SUBSTANCE: invention describes 8-cyano-1-cyclopropyl-7-(1S,6S-2,8-diazabicyclo-[4.3.0]-nonane-8-yl)-6-fluoro-1,4-dihydro-4-oxo-3-quinoline carboxylic acid of the formula (I):

in the crystalline modification B and a medicinal agent based on thereof that elicits effect against pathogenic microorganisms. Indicated modification of compound of the formula (I) shows stability and insignificant absorption of air moisture ant doesn't convert to another crystalline modification or amorphous form being even in the prolonged storage.

EFFECT: valuable properties of agent.

4 cl, 4 dwg, 6 ex

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RU 2 248 355 C2

Authors

Khimmler Tomas

Khallenbakh Verner

Rast Khubert

Dates

2005-03-20Published

1999-11-15Filed