Efficient Catalytic, Oxidative Lactonization for the Synthesis of Benzodioxepinones Using Thiazolium-Derived Carbene Catalysts
摘要:
An efficient, oxidative carbene-catalyzed lactonization reaction has been developed. Using thiazolium precatalysts, a variety of benzodioxepinone products are accessible in good to excellent yields under mild and operationally simple conditions The reaction does not require high dilution conditions and proceeds via mild and selective oxidation with azobenzene, which can easily be recovered and reused applying inexpensive FeCl3 as a formal terminal oxidant
CYCLOALKOXY-SUBSTITUTED 4-PHENYL-3,5-DICYANOPYRIDINES AND THEIR USE
申请人:Hübsch Walter
公开号:US20110021487A1
公开(公告)日:2011-01-27
The present application relates to novel cycloalkoxy-substituted 4-phenyl-3,5-dicyanopyridine derivatives, to processes for their preparation, to their use for the treatment and/or prevention of diseases and to their use for preparing medicaments for the treatment and/or prevention of diseases, preferably for the treatment and/or prevention of cardiovascular and metabolic disorders.