1-乙基-6,7,8-三氟-1,4-二氢-4-氧代喹啉-2-羧酸 、 2,7-二氮杂螺[4.4]壬烷 以
乙腈 为溶剂,
反应 49.5h,
以to afford 1.17 g of the title compound, mp 234°-240° C. (dec)的产率得到1-Ethyl-6,8-difluoro-1,4-dihydro-7-(2,7-diazaspiro[4.4]non-2-yl)-4-oxo-3-quinolinecarboxylic acid
7-Substituted-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids; 7-substituted-1-cyclopropyl-1,4-dihydro-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acids; their derivatives; and a process for preparing the compounds
申请人:WARNER-LAMBERT COMPANY
公开号:EP0153163A2
公开(公告)日:1985-08-28
Compound of formula
where X is CH, CCl, CF, C-OH, CO-alkyl having from one to three carbons, C-NH-alkyl having from one to three carbons, or N; Y is H, F, Cl or Br; R2 is alkyl having from one to four carbon atoms, vinyl, haloalkyl, or hydroxyalkyl having from two to four carbon atoms or cycloalkyl having three to six carbon atoms. Also described are methods for their manufacture, formulation, and use in treating bacterial infections including the description of certain novel intermediates used in the manufac- ture of the compounds. The compounds are useful as antibacterial agents.
Quinolone antibacterial agents substituted at the 7-position with spiroamines. Synthesis and structure-activity relationships
作者:Townley P. Culbertson、Joseph P. Sanchez、Laura Gambino、Josephine A. Sesnie
DOI:10.1021/jm00170a035
日期:1990.8
A series of fluoroquinolone antibacterials having the 7-position (10-position of pyridobenzoxazines) substituted with 2,7-diazaspiro[4.4]nonane (4b), 1,7-diazaspiro[4.4]nonane (5a), or 2,8-diazaspiro[5.5]undecane (6b) was prepared, and their biological activities were compared with piperazine and pyrrolidine substituted analogues. Most exhibited potent Gram-positive and Gram-negative activity, especially when side chain 4b was N-alkylated.
CULBERTSON, TOWNLEY P.;SANCHEZ, JOSEPH P.;GAMBINO, LAURA;SESNIE, JOSEPHIN+, J. MED. CHEM., 33,(1990) N, C. 2270-2275
作者:CULBERTSON, TOWNLEY P.、SANCHEZ, JOSEPH P.、GAMBINO, LAURA、SESNIE, JOSEPHIN+