Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways. - Wikidata - awgldk - TriplyDB

Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways.

Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways.

http://www.wikidata.org/entity/Q35184786

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Chiral phosphines in nucleophilic organocatalysis Phosphine-Catalyzed [3+2] and [4+3]Annulation Reactions of C,N-Cyclic Azomethine Imines with Allenoates Chiral multifunctional thiourea-phosphine catalyzed asymmetric [3 + 2] annulation of Morita-Baylis-Hillman carbonates with maleimides.Synthesis of tetrahydropyridazines by a metal-carbene-directed enantioselective vinylogous N-H insertion/Lewis acid-catalyzed diastereoselective Mannich addition.Bicyclic pyrazolidinone derivatives from diastereoselective catalytic [3 + 3]-cycloaddition reactions of enoldiazoacetates with azomethine imines.Highly enantioselective dearomatizing formal [3+3] cycloaddition reactions of N-acyliminopyridinium ylides with electrophilic enol carbene intermediates.Advances in nucleophilic phosphine catalysis of alkenes, allenes, alkynes, and MBHADs.Nucleophilic Chiral Phosphines: Powerful and Versatile Catalysts for Asymmetric Annulations The [3 + 3]-cycloaddition alternative for heterocycle syntheses: catalytically generated metalloenolcarbenes as dipolar adducts.[4+2] and [4+3] catalytic cycloadditions of allenes.Phosphine catalysis of allenes with electrophiles.Kinetic Resolution of Azomethine Imines by Brønsted Acid Catalyzed Enantioselective Reduction.Alkaloid-Catalyzed Enantioselective [3 + 2] Cycloaddition of Ketenes and Azomethine Imines.From Mechanistic Study to Chiral Catalyst Optimization: Theoretical Insight into Binaphthophosphepine-catalyzed Asymmetric Intramolecular [3 + 2] Cycloaddition.Phosphine-Catalyzed Intramolecular Cyclizations of α-Nitroethylallenoates Forming (Z)-Furanone Oximes.Phosphine-containing Lewis base catalyzed cyclization of benzofuranone type electron-deficient alkenes with allenoates: a facile synthesis of spirocyclic benzofuranones.Phosphine-catalyzed [3 + 2] cycloaddition of Morita-Baylis-Hillman carbonates with sulfamate-derived cyclic imines.Catalytic asymmetric 1,3-dipolar cycloaddition of two different ylides: facile access to chiral 1,2,4-triazinane frameworks.Highly enantioselective construction of tertiary thioethers and alcohols via phosphine-catalyzed asymmetric γ-addition reactions of 5H-thiazol-4-ones and 5H-oxazol-4-ones: scope and mechanistic understandings.Enantioselective copper-catalyzed [3+3] cycloaddition of azomethine ylides with azomethine imines.Enantioselective Phosphine-Catalyzed Formal [4+4] Annulation of α,β-Unsaturated Imines and Allene Ketones: Construction of Eight-Membered Rings.Synthesis of trifluoromethylated pyrazolidines by [3 + 2] cycloaddition.Engaging Allene-Derived Zwitterions in an Unprecedented Mode of Asymmetric [3+2]-Annulation Reaction.Brønsted acid-catalyzed stereoselective [4+3] cycloadditions of ortho-hydroxybenzyl alcohols with N,N'-cyclic azomethine imines.Synthesis of Non-Racemic Pyrazolines and Pyrazolidines by [3+2] Cycloadditions of Azomethine Imines.An efficient construction of N,N-bicyclic pyrazolidinones comprising enaminonitriles via asymmetric [3+2] cycloaddition.Multifunctional chiral phosphine-catalyzed [3+2] annulation of Morita-Baylis-Hillman carbonates with cyclopentenones: asymmetric synthesis of 4-oxo-hexahydropentalenes.Amino acid derived phosphine-catalyzed enantioselective 1,4-dipolar spiroannulation of cyclobutenones and isatylidenemalononitrile.Nickel(II)-catalyzed enantioselective 1,3-dipolar cycloaddition of azomethine imines with alkylidene malonates.Phosphine-catalyzed domino reactions: a route to functionalized bicyclic skeletons.Phosphine-catalyzed [5+1] annulation of δ-sulfonamido-substituted enones with N-sulfonylimines: a facile synthesis of tetrahydropyridines.Elucidation of the reaction mechanisms and diastereoselectivities of phosphine-catalyzed [4 + 2] annulations between allenoates and ketones or aldimines.Chiral phosphine catalyzed asymmetric Michael addition of oxindoles.Phosphine-catalyzed [3+2] cycloaddition reactions of azomethine imines with electron-deficient alkenes: a facile access to dinitrogen-fused heterocycles.Phosphine-catalyzed dearomatizing [3+2] annulations of isoquinolinium methylides with allenes.PPh3-catalyzed ring-expansion reactions of sulfamate-derived cyclic imines with acetylenedicarboxylates.Chiral phosphine-catalyzed tunable cycloaddition reactions of allenoates with benzofuranone-derived olefins for a highly regio-, diastereo- and enantioselective synthesis of spiro-benzofuranones.

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P2860

Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways.

http://www.wikidata.org/entity/Q35184786

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2011 nî lūn-bûn

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2011 թուականի Օգոստոսին հրատարակուած գիտական յօդուած

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2011 թվականի օգոստոսին հրատարակված գիտական հոդված

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2011年の論文

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2011年論文

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2011年論文

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2011年論文

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2011年論文

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2011年論文

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2011年论文

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Phosphine-catalyzed annulation ...... 3], and [3 + 2 + 3] pathways.

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Phosphine-catalyzed annulation ...... 3], and [3 + 2 + 3] pathways.

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Phosphine-catalyzed annulation ...... 3], and [3 + 2 + 3] pathways.

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Phosphine-catalyzed annulation ...... 3], and [3 + 2 + 3] pathways.

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Chengfeng Jing

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Diego Benitez

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Hongchao Guo

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Hui Jiang

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Jiangchun Zhong

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Jiayan Shi

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Min Wang

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Ohyun Kwon

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Qihai Xu

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Risong Na

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P2860

Phosphine-catalyzed synthesis of 1,3-dioxan-4-ylidenes

Cooperative, highly enantioselective phosphinothiourea catalysis of imine-allene [3 + 2] cycloadditions.

A novel reaction of the "Huisgen zwitterion" with chalcones and dienones: an efficient strategy for the synthesis of pyrazoline and pyrazolopyridazine derivatives.

Remarkable phosphine-effect on the intramolecular aldol reactions of unsaturated 1,5-diketones: highly regioselective synthesis of cross-conjugated dienones.

Phosphine-triggered synthesis of functionalized cyclic compounds.

Enantioselective catalysis and complexity generation from allenoates.

Small-molecule inhibitors of protein geranylgeranyltransferase type I.

Theory-Guided Design of Brønsted Acid-Assisted Phosphine Catalysis: Synthesis of Dihydropyrones from Aldehydes and Allenoates.

Phosphine-catalyzed [4 + 2] annulation: synthesis of cyclohexenes.

Bisphosphine-catalyzed mixed double-Michael reactions: asymmetric synthesis of oxazolidines, thiazolidines, and pyrrolidines.

P304

13337-13348

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10.1021/JA200231V

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34

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133

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Ekaterina Tkatchouk

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2011-08-03T00:00:00Z

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51543381

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