Large-Scale Preparation of Aromatic Fluorides via Electrophilic Fluorination with Functionalized Aryl- or Heteroarylmagnesium Reagents
作者:Paul Knochel、Shigeyuki Yamada
DOI:10.1055/s-0029-1218816
日期:2010.7
Functionalized aryl- or heteroarylmagnesium reagents, prepared from the corresponding bromides or iodides using halogen-magnesium exchange or direct magnesium insertion in the presence of lithiumchloride, reacted smoothly with N-fluorobenzenesulfonimide, (PhSO2)2NF, in the mixedsolvent (4:1 CH2Cl2-perfluorodecalin) to give the corresponding aromatic fluorides in moderate to good yields. arenes - electrophilic
Give me an “F”: Electrophilic fluorination of various aromatic and heteroaromatic Grignardreagents is smoothly performed with (PhSO2)2NF as fluorinating agent in a 4:1 mixture of CH2Cl2/perfluorodecalin (see scheme). This solvent system allows minimization of most side reactions.
A process for fluorination of aromatic compounds employing iodonium ylides and applicable to radiofluorination using
18
F is described. Processes, intermediates, reagents and radiolabelled compounds are described.
A process for fluorination of aromatic compounds employing iodonium ylides and applicable to radiofluorination using
18
F is described. Processes, intermediates, reagents and radiolabelled compounds are described.
SULFONAMIDE DERIVATIVES AND USES THEREOF
申请人:NodThera Limited
公开号:US20220267300A1
公开(公告)日:2022-08-25
The present disclosure relates to compounds of Formula (I) or (II):
and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for inhibiting the maturation of cytokines of the IL-1 family by inhibiting inflammasomes and may be used in the treatment of disorders in which inflammasome activity is implicated, such as inflammatory, autoinflammatory and autoimmune diseases and cancers.