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Organic Letters - Aktuelle Forschungsartikel

Aktuelle Forschungsartikel: Organik

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Hier aufgeführte Forschungsartikel:

Organic Letters - Herausgeber: American Chemical Society, ACS

'Organic Letters' dient als internationales Forum der Kommunikation über die Forschung zur Theorie und Praxis der Organischen Chemie (einschließlich Materialien und metallorganische Chemie); physikalische und theoretische organische Chemie, Naturstoff-Isolierung und Synthese; neuere synthetische Methoden; der Bioorganischen und der medizinischen Chemie.

Wissenschaftliche Fachartikel:

Why a Proximity-Induced Diels–Alder Reaction Is So Fast

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DOI: 10.1021/ol301083q

Posted on 25 May 2012 | 10:50 pm

Synthesis of Trifluoromethyl-Substituted Cyclopropanes via Sequential Kharasch–Dehalogenation Reactions

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DOI: 10.1021/ol3011369

Posted on 25 May 2012 | 10:17 pm

Stepwise Cyanation of Naphthalene Diimide for n-Channel Field-Effect Transistors

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DOI: 10.1021/ol300914k

Posted on 25 May 2012 | 9:16 pm

A Cell-Penetrating Ratiometric Nanoprobe for Intracellular Chloride

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DOI: 10.1021/ol300086w

Posted on 25 May 2012 | 9:15 pm

Sulfinyl-Mediated Stereoselective Overman Rearrangements and Diels–Alder Cycloadditions

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DOI: 10.1021/ol301139a

Posted on 25 May 2012 | 7:07 pm

Diacetoxyiodobenzene Mediated One-Pot Synthesis of Diverse Carboxamides from Aldehydes

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DOI: 10.1021/ol3012315

Posted on 25 May 2012 | 3:43 pm

The Total Synthesis of (?)-Aurafuron A

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DOI: 10.1021/ol3011387

Posted on 25 May 2012 | 3:29 pm

Enantioselective Diels–Alder Reaction of ?-(Acylthio)acroleins: A New Entry to Sulfur-Containing Chiral Quaternary Carbons

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DOI: 10.1021/ol300921f

Posted on 25 May 2012 | 3:28 pm

Organocatalyzed Enantioselective Formal [4 + 2] Cycloaddition of 2,3-Disubstituted Indole and Methyl Vinyl Ketone

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DOI: 10.1021/ol301114z

Posted on 24 May 2012 | 8:59 pm

Directly Fused Highly Substituted Naphthalenes via Pd-Catalyzed Dehydrogenative Annulation of N,N-Dimethylaminomethyl Ferrocene Using a Redox Process with a Substrate

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DOI: 10.1021/ol301063k

Posted on 24 May 2012 | 8:52 pm

Design, Preparation, X-ray Crystal Structure, and Reactivity of o-Alkoxyphenyliodonium Bis(methoxycarbonyl)methanide, a Highly Soluble Carbene Precursor

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DOI: 10.1021/ol301268j

Posted on 24 May 2012 | 3:22 pm

A Ligand-Free Pd-Catalyzed Cascade Reaction: An Access to the Highly Diverse Isoquinolin-1(2H)-one Derivatives via Isocyanide and Ugi-MCR Synthesized Amide Precursors

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DOI: 10.1021/ol301131s

Posted on 24 May 2012 | 3:21 pm

Total Syntheses of Graphisin A and Sydowinin B

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DOI: 10.1021/ol301107m

Posted on 23 May 2012 | 8:18 pm

Base-Free Dehydrogenative Coupling of Enolizable Carbonyl Compounds with Silanes

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DOI: 10.1021/ol301089r

Posted on 23 May 2012 | 8:17 pm

Optical Resolution of Aromatic Alcohols Using Silica Nanoparticles Grafted with Helicene

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DOI: 10.1021/ol301206r

Posted on 23 May 2012 | 5:17 pm

Highly Enantio- and Diastereoselective Vinylogous Aldol Reaction by LiCl-Assisted BINOL–Titanium Species

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DOI: 10.1021/ol300946j

Posted on 23 May 2012 | 5:08 pm

Iron-Catalyzed 2-Arylbenzoxazole Formation from o-Nitrophenols and Benzylic Alcohols

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DOI: 10.1021/ol300937z

Posted on 23 May 2012 | 4:40 pm

Efficient Synthesis of ?-Tertiary ?-Silylamines from Aryl Sulfonylimidates via One-Pot, Sequential C–Si/C–C Bond Formations

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DOI: 10.1021/ol301194e

Posted on 23 May 2012 | 3:31 pm

KOtBu Mediated Synthesis of Phenanthridinones and Dibenzoazepinones

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DOI: 10.1021/ol301077y

Posted on 23 May 2012 | 3:31 pm

The Vinylogous Aldol Reaction of Unsaturated Esters and Enolizable Aldehydes Using the Novel Lewis Acid Aluminum Tris(2,6-di-2-naphthylphenoxide)

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DOI: 10.1021/ol300738f

Posted on 23 May 2012 | 3:30 pm

[3 + 2]-Dipolar Cycloaddition Reactions of an N-Heterocyclic Carbene Boryl Azide

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DOI: 10.1021/ol300851m

Posted on 22 May 2012 | 10:29 pm

Diastereocontrolled Construction of Pactamycin’s Complex Ureido Triol Functional Array

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DOI: 10.1021/ol301140c

Posted on 22 May 2012 | 10:17 pm

Photochemical Generation and Reactivity of the Major Hydroxyl Radical Adduct of Thymidine

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DOI: 10.1021/ol301109z

Posted on 22 May 2012 | 5:22 pm

Halodiazophosphonates, a New Class of Diazo Compounds for the Diastereoselective Intermolecular Rh(II) Catalyzed Cyclopropanation

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DOI: 10.1021/ol3010276

Posted on 22 May 2012 | 4:58 pm

Silver Triflate and Palladium Acetate Co-catalyzed Reaction of N?-(2-Alkynylbenzylidene)hydrazide with N-Allyl Ynamide

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DOI: 10.1021/ol301023m

Posted on 22 May 2012 | 4:53 pm

Puberunine and Puberudine, Two New C18-Diterpenoid Alkaloids from Aconitum barbatum var. puberulum

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DOI: 10.1021/ol3008217

Posted on 22 May 2012 | 4:52 pm

Aetheramides A and B, Potent HIV-Inhibitory Depsipeptides from a Myxobacterium of the New Genus “Aetherobacter”

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DOI: 10.1021/ol3011002

Posted on 22 May 2012 | 3:06 pm

Synthesis of 1,1-Diarylethylenes via Efficient Iron/Copper Co-Catalyzed Coupling of 1-Arylvinyl Halides with Grignard Reagents

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DOI: 10.1021/ol3010112

Posted on 22 May 2012 | 3:06 pm

An Unexpected Silver Triflate Catalyzed Reaction of 2-Alkynylbenzaldehyde with 2-Isocyanoacetate

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DOI: 10.1021/ol300901x

Posted on 22 May 2012 | 3:06 pm

A General, Enantioselective Synthesis of Protected Morpholines and Piperazines

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DOI: 10.1021/ol301203z

Posted on 22 May 2012 | 6:46 am

A Versatile Scaffold for Site-Specific Modification of Cyclic Tetrapeptides

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DOI: 10.1021/ol301178r

Posted on 21 May 2012 | 8:20 pm

Cine Substitution of Arenes Using the Aryl Carbamate as a Removable Directing Group

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DOI: 10.1021/ol301275u

Posted on 21 May 2012 | 7:46 pm

Synthesis of 1,2-Disubstituted Cyclopentenes by Palladium-Catalyzed Reaction of Homopropargyl-Substituted Dicarbonyl Compounds with Organic Halides via 5-Endo-Dig Cyclization

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DOI: 10.1021/ol301257m

Posted on 21 May 2012 | 7:46 pm

Palladium-Catalyzed Desymmetrization of Silacyclobutanes with Alkynes: Enantioselective Synthesis of Silicon-Stereogenic 1-Sila-2-cyclohexenes and Mechanistic Considerations

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DOI: 10.1021/ol301191u

Posted on 21 May 2012 | 7:45 pm

Total Synthesis of (?)-Galanthamine and (?)-Lycoramine via Catalytic Asymmetric Hydrogenation and Intramolecular Reductive Heck Cyclization

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DOI: 10.1021/ol300913g

Posted on 21 May 2012 | 7:45 pm

Rational Synthesis of A2B-type meso-Triarylsubporphyrins

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DOI: 10.1021/ol300865s

Posted on 21 May 2012 | 7:45 pm

A New and Useful Method for the Macrocyclization of Linear Peptides

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DOI: 10.1021/ol301173m

Posted on 21 May 2012 | 7:45 pm

Electrophilic Trifluoromethylation by Copper-Catalyzed Addition of CF3-Transfer Reagents to Alkenes and Alkynes

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DOI: 10.1021/ol3011419

Posted on 21 May 2012 | 7:45 pm

Solid-Phase Synthesis of Lysobactin (Katanosin B): Insights into Structure and Function

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DOI: 10.1021/ol300926d

Posted on 21 May 2012 | 7:45 pm

Improved Synthesis of C4?- and C4?-Methyl Analogues of 2-Aminobicyclo[3.1.0]hexane-2,6-dicarboxylate

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DOI: 10.1021/ol300516y

Posted on 21 May 2012 | 7:40 pm

N-Heterocyclic Carbene (NHC)-Catalyzed Highly Diastereo- and Enantioselective Oxo-Diels–Alder Reactions for Synthesis of Fused Pyrano[2,3-b]indoles

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DOI: 10.1021/ol301175z

Posted on 18 May 2012 | 2:15 pm

Stereoselective Synthesis of the Monomeric Unit of Actin Binding Macrolide Rhizopodin

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DOI: 10.1021/ol301103d

Posted on 18 May 2012 | 2:12 pm

Hybrid Peptides: Direct Transformation of ?/?, ?-Unsaturated ?-Hybrid Peptides to ?/?-Hybrid Peptide 12-Helices

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DOI: 10.1021/ol300987d

Posted on 18 May 2012 | 2:11 pm

A Fluorescent Dipyrrinone Oxime for the Detection of Pesticides and Other Organophosphates

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DOI: 10.1021/ol300799f

Posted on 18 May 2012 | 1:48 pm

Palladium-Catalyzed Substitution and Cross-Coupling of Benzylic Fluorides

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DOI: 10.1021/ol300977f

Posted on 18 May 2012 | 1:48 pm

Unprecedented “In Water” Imidazole Carbonylation: Paradigm Shift for Preparation of Urea and Carbamate

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DOI: 10.1021/ol301009d

Posted on 18 May 2012 | 1:48 pm

Chemoselective Organocatalytic Aerobic Oxidation of Primary Amines to Secondary Imines

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DOI: 10.1021/ol301095j

Posted on 17 May 2012 | 9:10 pm

Synthesis of Nitrogen-Bridged Terthiophenes by Tandem Buchwald–Hartwig Coupling and Their Properties

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DOI: 10.1021/ol300887t

Posted on 17 May 2012 | 9:09 pm

Direct meso-Alkynylation of Porphyrins Doubly Assisted by Pyridyl Coordination

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DOI: 10.1021/ol301005b

Posted on 17 May 2012 | 8:19 pm

Preparation of Chiral 3-Arylpyrrolidines via the Enantioselective 1,4-Addition of Arylboronic Acids to Fumaric Esters Catalyzed by Rh(I)/Chiral Diene Complexes

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DOI: 10.1021/ol300980k

Posted on 17 May 2012 | 4:31 pm

Total Synthesis of (?)-Teucvidin

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DOI: 10.1021/ol301098s

Posted on 17 May 2012 | 6:44 am

Intramolecular Methylation of an Allyl Sulfone via Lithium Alkoxyaluminate; Application to the Enantioselective Synthesis of the CD Ring of Vitamin D3

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DOI: 10.1021/ol301144a

Posted on 16 May 2012 | 9:03 pm

General and Selective Head-to-Head Dimerization of Terminal Alkynes Proceeding via Hydropalladation Pathway

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DOI: 10.1021/ol3010936

Posted on 16 May 2012 | 9:02 pm

Application of the Rodriguez–Pattenden Photo-Ring Contraction: Total Synthesis and Configurational Reassignment of 11-Gorgiacerol and 11-Epigorgiacerol

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DOI: 10.1021/ol301068h

Posted on 16 May 2012 | 9:02 pm

Microtermolides A and B from Termite-Associated Streptomyces sp. and Structural Revision of Vinylamycin

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DOI: 10.1021/ol301043p

Posted on 16 May 2012 | 9:01 pm

One-Pot Primary Aminomethylation of Aryl and Heteroaryl Halides with Sodium Phthalimidomethyltrifluoroborate

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DOI: 10.1021/ol301037s

Posted on 16 May 2012 | 9:01 pm

Identification of Caerulomycin A Gene Cluster Implicates a Tailoring Amidohydrolase

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DOI: 10.1021/ol300589r

Posted on 16 May 2012 | 9:00 pm

Highly Enantioselective Synthesis of Chiral Allenes by Sequential Creation of Stereogenic Center and Chirality Transfer in a Single Pot Operation

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DOI: 10.1021/ol300717e

Posted on 15 May 2012 | 8:54 pm

Copper-Mediated Oxidative Cross-Coupling Reaction of Terminal Alkynes with ?-Silyldifluoromethylphosphonates: An Efficient Method for ?,?-Difluoropropargylphosphonates

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DOI: 10.1021/ol301113v

Posted on 15 May 2012 | 4:31 pm

Organocatalytic Dakin Oxidation by Nucleophilic Flavin Catalysts

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DOI: 10.1021/ol3010326

Posted on 15 May 2012 | 4:30 pm

Catalytic Asymmetric Sulfenylation of Unprotected 3-Substituted Oxindoles

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DOI: 10.1021/ol3009446

Posted on 15 May 2012 | 2:59 pm

Application of Microflow Conditions to Visible Light Photoredox Catalysis

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DOI: 10.1021/ol3005529

Posted on 15 May 2012 | 2:59 pm

K2CO3-Catalyzed Synthesis of Chromones and 4-Quinolones through the Cleavage of Aromatic C–O Bonds

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DOI: 10.1021/ol300908g

Posted on 15 May 2012 | 6:38 am

Asymmetric Pericyclic Cascade Approach to Spirocyclic Oxindoles

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DOI: 10.1021/ol300982f

Posted on 14 May 2012 | 10:47 pm

Efficient Synthesis of ?-Keto Sulfones by NHC-Catalyzed Intermolecular Stetter Reaction

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DOI: 10.1021/ol301045x

Posted on 14 May 2012 | 10:16 pm

An Efficient PIFA-Mediated Synthesis of a Directly Linked Zinc Chlorin Dimer via Regioselective Oxidative Coupling

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DOI: 10.1021/ol300969g

Posted on 14 May 2012 | 8:37 pm

Carbon–Carbon Bond Formation via the Electrophilic Addition of Carbocations to Allenes

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DOI: 10.1021/ol3006985

Posted on 14 May 2012 | 8:37 pm

Formal [4 + 1]- and [5 + 1]-Annulation by an SN2–Conjugate Addition Sequence: Stereoselective Synthesis of Highly Substituted Carbocycles

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DOI: 10.1021/ol301044e

Posted on 14 May 2012 | 7:32 pm

“Click”-Functionalization of [60]Fullerene and Graphene with an Unsymmetrically Functionalized Diketopyrrolopyrrole (DPP) Derivative

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DOI: 10.1021/ol301028r

Posted on 14 May 2012 | 7:32 pm

Bright, Color-Tunable Fluorescent Dyes Based on ?-Expanded Diketopyrrolopyrroles

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DOI: 10.1021/ol300674v

Posted on 14 May 2012 | 7:32 pm

Ruthenium(II)-Catalyzed Synthesis of Hydroxylated Arenes with Ester as an Effective Directing Group

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DOI: 10.1021/ol301104n

Posted on 14 May 2012 | 7:16 pm

PdCl2-Catalyzed Oxidative Cycloisomerization of 3-Cyclopropylideneprop-2-en-1-ones

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DOI: 10.1021/ol300927n

Posted on 14 May 2012 | 7:15 pm

Zinc(II) Mediated Imine–Enamine Tautomerization

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DOI: 10.1021/ol300874c

Posted on 14 May 2012 | 7:14 pm

Reactions of Brominated Naphthalene Diimide with Bis(tributylstannyl)acetylene: A Simple Approach for Conjugated Polymers and Versatile Coupling Intermediates

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DOI: 10.1021/ol3008952

Posted on 14 May 2012 | 3:04 pm

Fluoride Triggered Fluorescence “Turn On” Sensor for Zn2+ Ions Based on Pentaquinone Scaffold That Works as a Molecular Keypad Lock

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DOI: 10.1021/ol301030z

Posted on 11 May 2012 | 9:08 pm

Incorporating TCNQ into Thiophene-Fused Heptacene for n-Channel Field Effect Transistor

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DOI: 10.1021/ol301014d

Posted on 11 May 2012 | 7:20 pm

A One-Pot Double C–H Activation Palladium Catalyzed Route to a Unique Class of Highly Functionalized Thienoisoquinolines

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DOI: 10.1021/ol3009655

Posted on 11 May 2012 | 5:08 pm

Microwave Assisted Synthesis of Py-Im Polyamides

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DOI: 10.1021/ol3010003

Posted on 11 May 2012 | 3:56 pm

Bi(OTf)3-Catalyzed Cycloisomerization of Aryl-Allenes

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DOI: 10.1021/ol3009667

Posted on 11 May 2012 | 3:54 pm

Total Syntheses of Chelidonine and Norchelidonine via an Enamide–Benzyne–[2 + 2] Cycloaddition Cascade

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DOI: 10.1021/ol300967a

Posted on 10 May 2012 | 10:07 pm

Origin of Stereoselectivity in a Chiral N-Heterocyclic Carbene-Catalyzed Desymmetrization of Substituted Cyclohexyl 1,3-Diketones

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DOI: 10.1021/ol301036u

Posted on 8 May 2012 | 9:37 pm

Traceless Directing Group for Stereospecific Nickel-Catalyzed Alkyl?Alkyl Cross-Coupling Reactions

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DOI: 10.1021/ol300891k

Posted on 8 May 2012 | 4:59 pm

A Formal Synthesis of (?)-Englerin A by Relay Ring Closing Metathesis and Transannular Etherification

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DOI: 10.1021/ol3007524

Posted on 7 May 2012 | 4:02 pm

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