[EN] LIPHAGAL ENANTIOMERS AND THEIR DERIVATIVES AND PRECURSORS, AND ENANTIOSELECTIVE METHODS OF MAKING THE SAME [FR] ENANTIOMÈRES DE LIPHAGAL ET LEURS DÉRIVÉS ET PRÉCURSEURS, ET PROCÉDÉS ÉNANTIOSÉLECTIFS DE FABRICATION DE CEUX-CI
The Catalytic Enantioselective Total Synthesis of (+)-Liphagal
作者:Joshua J. Day、Ryan M. McFadden、Scott C. Virgil、Helene Kolding、Jennifer L. Alleva、Brian M. Stoltz
DOI:10.1002/anie.201101842
日期:2011.7.18
Ring a ding: The meroterpenoid natural product (+)‐liphagal has been synthesized enantioselectively in 19 steps from commercially available materials. The trans‐homodecalin system was achieved by ring expansion followed by stereoselective hydrogenation.
Ring a ding : 类萜天然产物 (+)-lipphagal 已经从市售材料中通过 19 步对映选择性合成。的反式-homodecalin系统是由环扩大,随后通过立体选择性氢化来实现。
The Catalytic Enantioselective, Protecting Group-Free Total Synthesis of (+)-Dichroanone
作者:Ryan M. McFadden、Brian M. Stoltz
DOI:10.1021/ja061853f
日期:2006.6.1
Herein we report the first enantioselective total synthesis of (+)-dichroanone, confirming the absolute configuration of the natural product. This protecting group-free route features the first application of our enantioselective Tsuji allylation in the context of a natural product total synthesis. Additionally, this 11-step preparation of the molecule from commercial material features a novel Kumada-aromatization strategy and a rapid sequence for the conversion of a phenol to a hydroxy-p-benzoquinone.
LIPHAGAL ENANTIOMERS AND THEIR DERIVATIVES AND PRECURSORS, AND ENANTIOSELECTIVE METHODS OF MAKING THE SAME
申请人:Stoltz Brian M.
公开号:US20130023676A1
公开(公告)日:2013-01-24
Enantioenriched compositions of liphagal and its derivatives and precursors include more than 50 mol % of a first enantiomer based on the total amount of a first and a second enantiomer. A method of making an enantioenriched composition includes catalytic enantioselective alkylation, ring expansion, and intramolecular aryne cyclization.
US8653307B2
申请人:——
公开号:US8653307B2
公开(公告)日:2014-02-18
Deracemization of Quaternary Stereocenters by Pd-Catalyzed Enantioconvergent Decarboxylative Allylation of Racemic β-Ketoesters
作者:Justin T. Mohr、Douglas C. Behenna、Andrew M. Harned、Brian M. Stoltz