[EN] MACROLIDE ANTIBIOTICS<br/>[FR] ANTIBIOTIQUES A BASE DE MACROLIDES
申请人:GLAXO GROUP LTD
公开号:WO2002050091A1
公开(公告)日:2002-06-27
The present invention relates to 11,12 η lactone ketolides of formula (I) wherein R, R?1, R2, R3¿ are as defined herein and pharmaceutically acceptable salts and solvates thereof, to process for their preparation and their use in therapy or prophylaxis of systemic or topical bacterial infections in a human or animal body.
The present invention relates to 11,12 &ggr; lactone ketolides of formula (I) wherein R, R
1
, R
2
, R
3
are as defined herein and pharmaceutically acceptable salts and solvates thereof, to process for their preparation and their use in therapy or prophylaxis of systemic or topical bacterial infections in a human or animal body.
The present invention relates to 11,12 γ lactone ketolides of formula (I) wherein R, R
1
, R
2
, R
3
are as defined herein and pharmaceutically acceptable salts and solvates thereof, to process for their preparation and their use in therapy or prophylaxis of systemic or topical bacterial infections in a human or animal body.
Bicyclic Aryl and Heteroaryl Sodium Channel Inhibitors
申请人:Amgen Inc.
公开号:US20130150339A1
公开(公告)日:2013-06-13
The present invention provides compounds of Formula I, or pharmaceutically acceptable salts thereof, that are inhibitors of voltage-gated sodium channels, in particular Nav 1.7.
The compounds are useful for the treatment of diseases treatable by inhibition of sodium channels such as pain disorders. Also provided are pharmaceutical compositions containing compounds of the present invention.
Synthesis of fluorinated pyrazole derivatives from β-alkoxyvinyl trifluoroketones
作者:Li-ping Song、Qian-li Chu、Shi-zheng Zhu
DOI:10.1016/s0022-1139(00)00348-1
日期:2001.1
1.1.1-Trifluoro-4-ethoxy-3-butane-2-one, 3-trifluoroacetyl-3, 4-dihydro-2H-pyran or furan reacted readily with pentafluorophenylhydrazine or per(poly)fluoroacectylhydrazine RtCO-NHNH2 (R-1: BrCF2, C3F7) to give N-substituted-5-hydroxy-5-trifluoromrthyl I heterocycles Y-N-N=CH-CH(R)C(OH)CF3 (Y: H, Ar-f - or RtCO), which were dehydrated by treatment with P2O5 or SOCl2 to form N-substituted 5-trifluoromethyl pyrazoles Y-N-N=CH-C(R)=C CF3 (Y: H, Ar-f - or RtCO) in good yields.[GRAPHICS](C) 2001 Elsevier Science B.V. All rights reserved.