PYRROLOPYRAZINE-SPIROCYCLIC PIPERIDINE AMIDES AS MODULATORS OF ION CHANNELS
申请人:Hadida Ruah Sara Sabina
公开号:US20120196869A1
公开(公告)日:2012-08-02
The invention relates to pyrrolopyrazine-spirocyclic piperidine amide compounds useful as inhibitors of ion channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.
Pyrrolopyrazine-Spirocyclic piperidine amides as modulators of ion channels
申请人:Vertex Pharmaceuticals Incorporated
公开号:US20150174127A1
公开(公告)日:2015-06-25
The invention relates to pyrrolopyrazine-spirocyclic piperidine amide compounds useful as inhibitors of ion channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders.
Various N-alkylsaccharins were easily prepared in moderate to good yields by the reaction of N-alkyl(o-methyl)arenesulfonamides with (diacetoxyiodo)benzene in the presence of iodine under irradiation with a tungsten lamp (W-h nu). On the other hand, irradiation of N-alkyl](o-methyl)arenesulfonamide derivatives bearing various substituents on the aromatic ring with a high-pressure mercury lamp (Hg-h nu), in the presence of (diacetoxyiodo)benzene and iodine gave the corresponding N-alkyl-1,2-benzisothiazoline-3-one-1-oxide derivatives in moderate yields, together with N-alkyl-1,2-benzisothiazoline-3-one-1,1-dioxide (saccharin) derivatives. (C) 1999 Elsevier Science Ltd. All rights reserved.