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Enantioselective Rhodium-Catalyzed Cycloisomerization of (E)-1,6-Enynes. | Angew Chem Int Ed Engl;55(21): 6295-9, 2016 05 17. | MEDLINE | Portal .

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Chiral Cyclopentadienyl Ligands Enable a Rhodium(III)-Catalyzed Enantioselective Access to Hydroxychromanes and Phthalid

Chiral Cyclopentadienyl Ligands Enable a Rhodium(III)-Catalyzed Enantioselective Access to Hydroxychromanes and Phthalides Baihua Ye Nicolai Cramer* Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering ...

Rhodium-Catalyzed Cycloisomerization Involving Cyclopropenes Efficient Stereoselective Synthesis of Medium-Sized Heterocyclic Scaffold

Rhodium-Catalyzed Enantioselective 1 2-Addition of Aluminum Organyl Compounds to Cyclic Enones. pdf 95 Кб ... Rhodium-Catalyzed Cycloisomerization Involving Cyclopropenes Efficient Stereoselective Synthesis of Medium-Sized код для вставки) Скачать ...

(PDF) Enantioselective Rhodium-Catalyzed Cycloisomerization of 1,6-Allenynes to access 5/6-Fused Bicycle[4.3.0]nonadien

PDF | Transition-metal-catalyzed cycloisomerization of 1,n-allenynes represents a powerful synthetic tool to rapidly assemble complex polycyclic skeletons from simple linear substrates. Nevertheless, there are no reports of the asymmetric version of these ...

Supporting Information Rhodium-Catalyzed Enantioselective Cycloisomerization to Cyclohexenes Bearing Quaternary Carbon Cente

S1 Supporting Information Rhodium-Catalyzed Enantioselective Cycloisomerization to Cyclohexenes Bearing Quaternary Carbon Centers Jung-Woo Park, Zhiwei Chen and Vy M. Dong* <[email protected]> †Department of Chemistry, University of California, Irvine ...

RHODIUM(I)-CATALYZED CYCLOISOMERIZATION OF NITROGEN TETHERED ENE-ALLENES: FORMATION OF TETRAHYDROAZEPIN

RHODIUM(I)-CATALYZED CYCLOISOMERIZATION OF NITROGEN TETHERED ENE-ALLENES: FORMATION OF TETRAHYDROAZEPINES by Anthony David Casarez B. S., San Francisco State University, 2002 Submitted to the Graduate Faculty of Master of ...

Rhodium-Catalyzed Asymmetric Enyne Cycloisomerization of Terminal Alkynes abd Formal Total Synthesis of (−) Platensimycin

Rhodium-Catalyzed Asymmetric Enyne Cycloisomerization of Terminal Alkynes abd Formal Total Synthesis of (−) Platensimycin ** ... Herein we report a Rh-catalyzed asymmetric enyne cycloisomerization reaction using terminal alkynes as substrates and its ...

Book Review: Modern Rhodium-Catalyzed Organic Reactio

Rhodium(I)-Catalyzed Cycloisomerization and Cyclotrimerization Reactions (Ojima) The Rhodium(I)-Catalyzed Alder-ene Reaction (Brummond) Rhodium-Catalyzed Nucleophilic Ring Cleaving Reactions of Allylic Ethers and Amines (Fagnou) Rhodium(I)-Catalyzed ...

Asymmetric Cycloisomerization of o-Alkenyl-N-Methylanilines to Indolines by Iridium-Catalyzed C(sp3)−H Addition to Carbon–Carbon Double Bonds .

Highly enantioselective cycloisomerization of N-methylanilines, bearing o-alkenyl groups, into indolines is established. An iridium catalyst bearing a bidentate chiral diphosphine effectively promotes the intramolecular addition of the C(sp 3)−H bond across a carbon ...

Efficient and Enantioselective Rhodium(I)-Catalyzed Arylation of α-Ketoesters: Synthesis of (S)-Flutriafol — 國立臺灣師範大

An enantioselective addition of arylboronic acids and α-ketoesters promoted by a Rhodium(I)-chiral diene catalyst is reported. The transformation proceeds regioselectively in the presence of as low as 0.5 mol% of the catalyst generated in situ from a Rhodium(I) salt ...

Journal Article Reading (B)Log: Ruthenium-Catalyzed Cycloisomerization-6-Cyclization: A Novel Route to Pyridin

In addition, recently the authors had disclosed a ruthenium-catalyzed cycloisomerization in the formation of alpha,beta,gamma,delta-dienones and dienals from compound of type 2 (equation 2). It was perhaps possible to use the product from this reaction to produce ...

Rhodium-catalyzed enantioselective cyclopropanation of olefins with N-sulfonyl 1,2,3-triazoles — National Research Tomsk Polytechnic Universi

Rhodium-catalyzed enantioselective cyclopropanation of olefins with N-sulfonyl 1,2,3-triazoles. ...

ChemInform Abstract: Enantioselective One‐Pot Rhodium‐Catalyzed Cycloisomerization—Wittig Sequence to Chiral ...- DeepDy

Read "ChemInform Abstract: Enantioselective One‐Pot Rhodium‐Catalyzed Cycloisomerization—Wittig Sequence to Chiral Functionalized 4‐Alkyl 3‐Alkylidene Tetrahydrofuran(on)es., ChemInform" on DeepDyve, the largest online rental service for scholarly research ...

Enantioselective Synthesis of Highly Substituted Furans by a Copper(II)-Catalyzed Cycloisomerization Indole Addition Reacti

been successfully applied to rhodium,2 iridium,3 palladium,4 platinum,5 and gold6 catalyzed enantioselective cycloisomeriza-tion reactions, its use in transformations promoted by silver and copper is rare.7 Alternatively, unligated transition metal salts are ...

Iridium-catalyzed enantioselective cycloisomerization of nitrogen-bridged 1,6-enynes to 3-azabicylo[4.1.0]heptenes - ScienceDire

This manuscript discloses a cationic iridium complex-catalyzed cycloisomerization of 1,6-enynes bridged by nitrogen, which gave 3-azabicyclo[4.1.0]heptenyl derivatives. Moreover, we achieved the first example of an enantioselective version of the present ...

Enantioselective Rhodium-Catalyzed Cycloisomerization of (E)-1,6-Enynes - Deng - 2016 - Angewandte Chemie International Edition - Wiley Online Libra

As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from ...

Rhodium-Catalyzed Enantioselective Cycloisomerization to Cyclohexenes Bearing Quaternary Carbon Centers - Journal of the American Chemical Society .

We report a Rh-catalyzed enantioselective cycloisomerization of α,ω-heptadienes to afford cyclohexenes bearing quaternary carbon centers. Rhodium(I) and a new SDP ligand promote chemoselective formation of a cyclohex-3-enecarbaldehyde motif that is ...

Rhodium-catalyzed enantioselective cyclopropanation of olefins with N-sulfonyl 1,2,3-triazoles — National Research Tomsk Polytechnic Universi

TY - JOUR T1 - Rhodium-catalyzed enantioselective cyclopropanation of olefins with N-sulfonyl 1,2,3-triazoles AU - Chuprakov, Stepan AU - Kwok, Sen Wai AU - Zhang, Li AU - Lercher, Lukas AU - Fokin, Valery V. PY - 2009/12/23 Y1 - 2009/12/23 N2 ...

Enantioselective Synthesis of Highly Substituted Furans by a Copper(II)-Catalyzed Cycloisomerization Indole Addition Reacti

been successfully applied to rhodium,2 iridium,3 palladium,4 platinum,5 and gold6 catalyzed enantioselective cycloisomeriza-tion reactions, its use in transformations promoted by silver and copper is rare.7 Alternatively, unligated transition metal salts are ...

Desymmetrization of enone-diones via rhodium-catalyzed diastereo- and enantioselective tandem conjugate addition-aldol cyclization | PN

Recently, using enantioselective rhodium-catalyzed conjugate addition methodology, we developed a catalytic tandem conjugate addition-aldol cyclization of keto-enones. Here, we report related desymmetrizations and parallel kinetic resolutions involving the use ...

Enantioselective Rhodium-Catalyzed Cycloisomerization of 1,6-Allenynes to access 5/6-Fused Bicycle[4.3.0]nonadienes | Nature Communicatio

Cycloisomerization of 1,n-allenynes allows to efficiently assembly polycyclic skeletons, however its asymmetric variant remains elusive. Here, the authors report the enantioselective Rh(I)-catalyzed cycloisomerization of 1,6-allenynes and disclose an uncommon 5 ...