931-00-0Relevant academic research and scientific papers
Novel heterocyclic antibacterial compounds
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, (2008/06/13)
The invention provides heterocyclic organic compounds that inhibit bacterial DNA polymerase IIIC and type II bacterial topoisomerase. The invention further provides compounds that are useful as intermediates in the synthesis of such heterocyclic organic compounds. Syntheses and uses of such heterocyclic organic molecules are also described.
Preparation of 2,7-diazabicyclo[3.3.0]octanes
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, (2008/06/13)
2,7-Diazabicyclo[3.3.0]octanes, suitable for 7-position substituents or antibacterially active quinolone carboxylic acids, of the formula STR1 in which R1, R3, R4, R5, R7 and R8 may be identical or different and in each case denote H, C1 -C5 -alkyl (optionally substituted by halogen, hydroxyl or C1 -C3 -alkoxy), C1 -C3 -alkoxycarbonyl or C6 -C12 -aryl, R4 additionally denotes halogen, R2 and R6 may be identical or different, denote H, C1 -C6 -alkyl, benzyl, C6 -C12 -aryl, C1 -C3 -alkanoyl, benzoyl or C1 -C5 -alkoxycarbonyl, or R2 and R3 together denote a bridge of the structure (CH2)n, n=2-4, CH2 --CHOH--CH2, CH2 --S--CH2 or C(CH3)2 --S--CH2, excluding 2,7-diazabicyclo[3.3.0]octane. Also their preparation by the reaction STR2 Intermediates II are also new.
