N-Iodosuccinimide (NIS) in pure trifluoroacetic acid (TFA) offers a time-efficient and general method for the iodination of a wide range of mono- and disubstituted benzenes at room temperature, as demonstrated in this paper. The starting materials were generally converted into mono-iodinated products in less than 16 hours at room temperature, without byproducts. A few deactivated substrates needed
The reaction of acetophenones with iodine(III) tris(trifluoroacetate) yields 3′- and/or 2-iodo derivatives, depending upon the substituent on the aromatic ring and the reaction conditions. The reaction was examined by changing the molar ratio of acetophenone versus the reagent, reaction temperature, and solvent. In similar reactions flavanones and coumarins gave iodo derivatives in which iodine is incorporated
[EN] 1H-1,8- NAPHTHYRIDIN-2ONES AS ANTI PROLIFERATIVE COMPOUNDS<br/>[FR] 1H-1,8-NAPHTHYRIDIN-2 ONES UTILISÉES COMME COMPOSÉS ANTI PROLIFÉRATIFS
申请人:NATCO PHARMA LTD
公开号:WO2015186137A1
公开(公告)日:2015-12-10
The present invention relates to novel antiproliferative1H-1, 8-naphthyridin-2-ones of the general formula (I) or pharmaceutically acceptable salts thereof: In which the variable groups are as defined herein, and their preparation and use in therapeutic treatment of disorders related to inhibition of tyrosine kinases in warm blooded animals. The compounds can overcome imatinib induced drug resistance.