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7,888 Newest Publications in organic letters


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Regioselective Synthesis of α,α-Difluorocyclopentanone Derivatives: Domino Nickel-Catalyzed Difluorocyclopropanation/Ring-Expansion Sequence of Silyl Dienol Ethers

17-Nov-2015 | Tatsuya Aono; Hisashi Sasagawa; Kohei Fuchibe; Junji Ichikawa, Organic Letters, 2015

Silyl dienol ethers prepared from α,β-unsaturated ketones underwent nickel-catalyzed difluorocyclopropanation of the electron-rich alkene moiety with trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate. The subsequent vinylcyclopropane–cyclopentene rearrangement afforded silyl ...


Hydrogen-Bond Directed Regioselective Pd-Catalyzed Asymmetric Allylic Alkylation: The Construction of Chiral α-Amino Acids with Vicinal Tertiary and Quaternary Stereocenters

17-Nov-2015 | Xuan Wei; Delong Liu; Qianjin An; Wanbin Zhang, Organic Letters, 2015

A Pd-catalyzed asymmetric allylic alkylation of azlactones with 4-arylvinyl-1,3-dioxolan-2-ones was developed, providing “branched” chiral α-amino acids with vicinal tertiary and quaternary stereocenters, in high yields and with excellent selectivities. Mechanistic studies revealed that the ...


Visible-Light-Driven Photocatalytic Initiation of Radical Thiol–Ene Reactions Using Bismuth Oxide

17-Nov-2015 | Olugbeminiyi O. Fadeyi; James J. Mousseau; Yiqing Feng; Christophe Allais; Philippe Nuhant; Ming Z. Chen; Betsy Pier ..., Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b03184


Synthesis of Vitamin K and Related Naphthoquinones via Demethoxycarbonylative Annulations and a Retro-Wittig Rearrangement

17-Nov-2015 | Dipakranjan Mal; Ketaki Ghosh; Supriti Jana, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b02920


Transition-Metal-Free Oxidative Aliphatic C–H Azidation

16-Nov-2015 | Xiaofei Zhang; Haodong Yang; Pingping Tang, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b03001


Cascade Synthesis of 3-Alkylidene Dihydrobenzofuran Derivatives via Rhodium(III)-Catalyzed Redox-Neutral C–H Functionalization/Cyclization

16-Nov-2015 | Zhi Zhou; Guixia Liu; Yan Chen; Xiyan Lu, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b03060


Sequential Multicomponent Reactions and a Cu-Mediated Rearrangement: Diastereoselective Synthesis of Tricyclic Ketones

16-Nov-2015 | Denis Kröger; Max Franz; Marc Schmidtmann; Jürgen Martens, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b03057


Toward Singlet–Triplet Bistable Nonalternant Kekulé Hydrocarbons: Azulene-to-Naphthalene Rearrangement

16-Nov-2015 | Soumyajit Das; Jishan Wu, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b03028


Synthesis and Study of 7,12,17-Trioxa[11]helicene

16-Nov-2015 | M. Shyam Sundar; Ashutosh V. Bedekar, Organic Letters, 2015

Organic Letters DOI: 10.1021/acs.orglett.5b02948


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