highly enantioselectivefluoroarylation of gem‐difluoroalkenes with aryl halides is presented by using a new chiral sulfinamide phosphine (Sadphos) type ligand TY‐Phos. N‐Me‐TY‐Phos can be easily synthesized on a gram scale from readily available starting materials in three steps. Salient features of this work including readily available starting materials, good yields, high enantioselectivities as well
Visible Light-Induced Radical Addition/Annulation to Construct Phenylsulfonyl-Functionalized Dihydrobenzofurans Involving an Intramolecular 1,5-Hydrogen Atom Transfer Process
作者:Shentong Xie、Yifan Li、Ping Liu、Peipei Sun
DOI:10.1021/acs.orglett.0c03038
日期:2020.11.20
A visible light-induced radical cascade reaction of 2-alkynylarylethers with sodium sulfinates was established for the synthesis of sulfonyl-functionalized dihydrobenzofurans, and an intramolecular 1,5-hydrogen atom transfer was involved in this transformation. This process provided an efficient and convenient C–C formation protocol for the construction of a dihydrobenzofuran ring. Various substituents
Terephthalamide peptidomimetic compounds and methods
申请人:Hamilton D. Andrew
公开号:US20070123592A1
公开(公告)日:2007-05-31
The present invention relates to compounds and pharmaceutical compositions based upon terephthalamide which are proteomimetic and to methods for inhibiting the interaction of an alpha-helical protein with another protein or binding site. Methods for treating diseases or conditions which are modulated through interactions between alpha helical proteins and their binding sites are other aspects of the invention. Methods of inhibiting the binding of proteins to their binding sites are other aspects of the present invention.
A novel visible-light-catalyzed tandemradical addition/1,5-hydrogen atom transfer/cyclization cascade of 2-alkynylarylethers with sulfonyl chlorides in 2-methyltetrahydrofuran was developed under photocatalyst- and additive-free conditions. This reaction relies on unique energy transfer and solvent-radical relay strategies to generate sulfonyl radicals for the preparation of a series of sulfonyl-functionalized
Terephthalamide derivatives as mimetics of the helical region of Bak peptide target Bcl-xL protein
作者:Hang Yin、Andrew D Hamilton
DOI:10.1016/j.bmcl.2003.09.096
日期:2004.3
A group of novel Bel-xL/Bak antagonists, based on a tereplithalamide scaffold, were designed to mimic the a-helical region of the Bak peptide. Good in vitro inhibition potencies in disrupting the Bak/Bcl-xL complex have been observed (terephthalamide 4, K-i = 0. 78 +/- 0.07 muM). (C) 2004 Elsevier Ltd. All rights reserved.