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3,917 Newest Publications in organic letters

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Synthetic Strategy toward the C44–C65 Fragment of Mirabalin

11-04-2014 | Pierre-Georges Echeverria; Sébastien Prévost; Johan Cornil; Charlène Férard; Sébastien Reymond; Amandine Guérinot; J ..., Organic Letters, 2014

Organic Letters DOI: 10.1021/ol500720j

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Pentafluorosulfanyldifluoroacetic Acid: Rebirth of a Promising Building Block

11-04-2014 | Andrej V. Matsnev; Si-Yan Qing; Mark A. Stanton; Kyle A. Berger; Günter Haufe; Joseph S. Thrasher, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol500766v

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Palladium Hydride Promoted Stereoselective Isomerization of Unactivated Di(exo)methylenes to Endocyclic Dienes

11-04-2014 | Michael E. Jung; Gloria S. Lee; Hung V. Pham; K. N. Houk, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol500710v

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A One-Pot Allylation–Hydrostannation Sequence with Recycling of the Intermediate Tin Waste

11-04-2014 | Banibrata Ghosh; Maria Del Rosario I. Amado-Sierra; Daniel Holmes; Robert E. Maleczka, Jr., Organic Letters, 2014

A one-pot allylation and hydrostannation of alkynals where the tin byproduct formed in the first step of the reaction is recycled and used in the second step of the sequence is presented. Specifically, a BF3·OEt2-promoted allylstannation of the aldehyde moiety in the alkynal is followed by the ...

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Use of 2-Bromophenylboronic Esters as Benzyne Precursors in the Pd-Catalyzed Synthesis of Triphenylenes

11-04-2014 | José-Antonio García-López; Michael F. Greaney, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5006246

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Construction of the N1–C3 Linkage Stereogenic Centers by Catalytic Asymmetric Amination Reaction of 3-Bromooxindoles with Indolines

11-04-2014 | Hailong Zhang; Hong Kang; Liang Hong; Weiping Dong; Guolin Li; Xin Zheng; Rui Wang, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5007423

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Probing the Inner Space of Salt-Bridged Calix[5]arene Capsules

11-04-2014 | Giovanna Brancatelli; Giuseppe Gattuso; Silvano Geremia; Anna Notti; Sebastiano Pappalardo; Melchiorre F. Parisi; Il ..., Organic Letters, 2014

Organic Letters DOI: 10.1021/ol500673n

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Preparation and Reactions of Heteroarylmethylzinc Reagents

11-04-2014 | Nadja M. Barl; Elodie Sansiaume-Dagousset; Gabriel Monzón; Andreas J. Wagner; Paul Knochel, Organic Letters, 2014

We report a general preparation of heteroarylmethylzinc chlorides by direct zinc insertion into heteroarylmethyl chlorides, along with a facile and straightforward synthesis of these heterocyclic chloromethyl precursors. We demonstrate that heteroarylmethylzinc reagents undergo various reactions ...

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Pd-Catalyzed Oxidative Annulation of Hydrazides with Isocyanides: Synthesis of 2-Amino-1,3,4-oxadiazoles

11-04-2014 | Tao Fang; Qitao Tan; Zhengwei Ding; Bingxin Liu; Bin Xu, Organic Letters, 2014

Organic Letters DOI: 10.1021/ol5006449

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Synthesis of α,α′-trans-Oxepanes through an Organocatalytic Oxa-conjugate Addition Reaction

11-04-2014 | Megan L. Lanier; Amanda C. Kasper; Hyoungsu Kim; Jiyong Hong, Organic Letters, 2014

Oxepanes are found in a wide range of natural products; however, they are challenging synthetic targets due to enthalpic and entropic barriers. Organocatalytic oxa-conjugate addition reactions promoted by the gem-disubstituent (Thorpe–Ingold) effect stereoselectively provided α,α′-trans-oxepanes. ...

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