nickel and chiralamine cooperative catalysis to enable a highlyenantioselectiveallylic alkylation reaction between α-branched aldehydes and a wide scope of allyl esters, allowing the all-carbon quaternary stereocenter to be accessed with excellent enantioselectivity (up to 98% ee) and structural diversity. The general synthetic applicability has been showcased by the enantioselective synthesis of
全碳四元立体中心构成了天然产物和生物活性化合物的重要组成部分。在这里,我们公开了一种镍和手性胺协同催化,使 α-支化醛和各种烯丙基酯之间发生高度对映选择性的烯丙基烷基化反应,从而以优异的对映选择性(高达 98% ee ) 和结构多样性。关键手性构件的对映选择性合成以获取 (+)-依他佐辛、(-)-aphanorphine 和其他两种生物活性化合物,展示了一般合成适用性。
METHODS OF SYNTHESIZING CINACALCET AND SALTS THEREOF
申请人:Thiel Oliver
公开号:US20110281954A1
公开(公告)日:2011-11-17
Methods of preparing cinacalcet, cinacalcet derivatives, and salts thereof is disclosed herein. Also disclosed herein are polymorphs of cinacalcet, compositions of cinacalcet, and methods of treating a subject by administering cinacalcet, wherein cinacalcet is prepared by the disclosed methods.