Urea- and thiourea-substituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance.
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Cupreines and cupreidines: an established class of bifunctional cinchona organocatalystsStructural optimization of thiourea-based bifunctional organocatalysts for the highly enantioselective dynamic kinetic resolution of azlactones.Trisubstituted 2-trifluoromethyl pyrrolidines via catalytic asymmetric Michael addition/reductive cyclization.Highly tunable arylated cinchona alkaloids as bifunctional catalysts.Synthesis and Structural Characterization of 1-Arylimidazole-2-thiones and N,N'-Aryldiethoxyethylthioureas with Electronically Diverse Substituents: A Manifold of Hydrogen Bonding Networks.Enantioselective synthesis of tertiary α-hydroxy phosphonates catalyzed by carbohydrate/cinchona alkaloid thiourea organocatalysts.Asymmetric Friedel-crafts reaction of indoles with imines by an organic catalyst.The Mannich reaction of malonates with simple imines catalyzed by bifunctional cinchona alkaloids: enantioselective synthesis of beta-amino acids.Highly enantioselective three-component direct Mannich reactions of unfunctionalized ketones catalyzed by bifunctional organocatalysts.Novel bifunctional sulfonamides catalyze an enantioselective conjugate addition.Chiral squaramide derivatives are excellent hydrogen bond donor catalysts.Crystal structures of N-[(4-phenyl-thia-zol-2-yl)carbamo-thio-yl]benzamide and N-{[4-(4-bromo-phen-yl)thia-zol-2-yl]carbamo-thio-yl}benzamide from synchrotron X-ray diffraction.Low-loading asymmetric organocatalysis.Journey Heading Towards Enantioselective Synthesis Assisted by Organocatalysis.Enantioselective synthesis of bicylco[3.2.1]octan-8-ones using a tandem Michael-Henry reaction.Stereoselective Glycosylation of 2-Nitrogalactals Catalyzed by a Bifunctional Organocatalyst.Stereoselective, nitro-Mannich/lactamisation cascades for the direct synthesis of heavily decorated 5-nitropiperidin-2-ones and related heterocycles.Towards the total synthesis of keramaphidin B.Bifunctional iminophosphorane organocatalysts for enantioselective synthesis: application to the ketimine nitro-Mannich reaction.One-Pot Asymmetric Nitro-Mannich/Hydroamination Cascades for the Synthesis of Pyrrolidine Derivatives: Combining Organocatalysis and Gold Catalysis.New hydrogen-bonding organocatalysts: Chiral cyclophosphazanes and phosphorus amides as catalysts for asymmetric Michael additions.Nitro-enabled catalytic enantioselective formal umpolung alkenylation of β-ketoesters.Synthesis and evaluation of new guanidine-thiourea organocatalyst for the nitro-Michael reaction: Theoretical studies on mechanism and enantioselectivity.Enantioselective synthesis of coumarins catalyzed by a bifunctional amine-thiourea catalyst.Asymmetric synthesis of syn-propargylamines and unsaturated β-amino acids under Brønsted base catalysis.Asymmetric Michael addition reaction of 3-substituted-N-Boc oxindoles to activated terminal alkenes catalyzed by a bifunctional tertiary-amine thiourea catalyst.Enantioselective aza-Michael addition of imides by using an integrated strategy involving the synthesis of a family of multifunctional catalysts, usage of multiple catalysis, and rational design of experiment.A highly efficient access to enantiopure tetrahydropyridines: dual-organocatalyst-promoted asymmetric cascade reaction.Catalytic highly asymmetric 1,5(6)-selective cyclization reaction of α-hydroxyimino cyclic ketones: direct approach to ring-fused hydroxyimino dihydropyrans.Catalytic asymmetric β,γ activation of α,β-unsaturated γ-butyrolactams: direct approach to β,γ-functionalized dihydropyranopyrrolidin-2-ones.Cinchonine and thiourea.Organocatalytic asymmetric cyanation of isatin derived N-Boc ketoimines.Organocatalytic conjugate addition promoted by multi-hydrogen-bond cooperation: access to chiral 2-amino-3-nitrile-chromenes.Construction of bispirooxindoles containing three quaternary stereocentres in a cascade using a single multifunctional organocatalyst.Asymmetric carbon-carbon bond formation under continuous-flow conditions with chiral heterogeneous catalysts.β2, 2 -Amino Acid N-Carboxyanhydrides Relying on Sequential Enantioselective C(4)-Functionalization of Pyrrolidin-2,3-diones and Regioselective Baeyer-Villiger Oxidation.Highly enantioselective Michael addition of malononitrile to alpha,beta-unsaturated ketones.The immobilisation of chiral organocatalysts on magnetic nanoparticles: the support particle cannot always be considered inert.Organocatalytic asymmetric allylic carbon-carbon bond formation.Synthesis of enantioenriched azo compounds: organocatalytic Michael addition of formaldehyde N-tert-butyl hydrazone to nitroalkenes.
P2860
Q26747299-07B80D72-B478-4B68-A572-9F14CC6D79BBQ33263511-97E5005C-9911-4D47-B47F-A05140A28300Q33572194-856979F4-5A0B-4634-9EF5-DFCB28B391DCQ34012882-D3538620-EDF0-4B64-B2A7-39BA15DFF4DAQ34149271-2D9FACB0-0800-4FB2-9BA8-6A284190BDC9Q34640999-B7371C97-CD51-4B28-9C30-55D052771AE6Q35180281-872AD125-5056-46C2-8FDB-DAFCAF2FEA8FQ35210367-8C0E04B2-696F-40A3-BE39-28069FB2A628Q36617922-1AEB697F-5607-4B29-8E3A-4FA0B366E7E8Q37137912-7A662344-7174-4CC7-A400-4940AA9968EEQ37240683-0739EE61-2050-456C-B6A4-BE06E9594099Q37432507-A5D20E20-B369-4F2F-A499-748961706D9FQ37968170-D3565F62-38BB-4F00-AF4B-8544E8763A77Q38556808-1196651E-6756-4303-8E61-D35D21449233Q40885510-BF93BF68-FC69-44B5-B82E-69AD402C39D0Q41315277-73521F24-D7FC-4751-AF82-B2BF6357F428Q41838235-B42A9741-E4F7-4E9A-883F-1869BC9CD2FDQ41870933-E1D07D3A-8DD9-43B9-AADD-BB5CF715FE6FQ41970697-9F342E40-274F-453E-8503-4740301AE985Q41970939-A7352B8C-705E-446D-B356-CFB55EACB8CBQ42002878-E711DC21-4A0A-4ED7-835A-8941BC885A1AQ42110142-7795DA12-3AC5-47B9-BF4E-1558AB1416FAQ42608736-0F346629-7BC2-4A1C-8FB6-C27EFAE6F996Q42843933-0D023685-9BFB-4F9B-92A6-A3F581196AD6Q42933882-5BF52096-B83F-49AF-8EE9-0892376888CDQ43213881-51A9C46C-35C4-424C-A9D6-834EE0BD0572Q43486915-70FD50F4-EE30-4A73-89E1-6F04C31F4407Q44010257-6326A73A-4137-4CB2-AC6B-7C21F0A036F2Q44672354-9D7BF2B8-50C4-4120-8F16-3A458B19F635Q44960488-1770ACF6-2999-4007-9677-079466000553Q44987683-55681A10-1D45-4EDA-B6C7-56245883D40FQ45711632-D7D0756F-82FB-4649-94AA-2CDC7ECFF56FQ45947145-4EB9531B-B389-47C7-8FCD-1D425E808EECQ46008342-8186C192-BD52-4A35-A7C8-4370DD08B869Q46138121-97296581-2D47-496F-A18D-43A8AC9319BCQ46411447-AD1829F3-62E8-4AE3-8B1C-D713CC20ACFDQ46823441-DCD54603-73DA-4B98-9BDD-ECD4E6B8E6EFQ46835031-3EBE61B9-7829-4094-BD9A-01157CD05E54Q46853833-92154321-B384-4DBA-8163-F3BA0303D162Q46920810-983A1AB9-4D93-43C9-94D7-FBC3948EA2C9
P2860
Urea- and thiourea-substituted cinchona alkaloid derivatives as highly efficient bifunctional organocatalysts for the asymmetric addition of malonate to nitroalkenes: inversion of configuration at C9 dramatically improves catalyst performance.
description
2005 nî lūn-bûn
@nan
2005 թուականի Հոկտեմբերին հրատարակուած գիտական յօդուած
@hyw
2005 թվականի հոտեմբերին հրատարակված գիտական հոդված
@hy
2005年の論文
@ja
2005年論文
@yue
2005年論文
@zh-hant
2005年論文
@zh-hk
2005年論文
@zh-mo
2005年論文
@zh-tw
2005年论文
@wuu
name
Urea- and thiourea-substituted ...... improves catalyst performance.
@ast
Urea- and thiourea-substituted ...... improves catalyst performance.
@en
Urea- and thiourea-substituted ...... improves catalyst performance.
@nl
type
label
Urea- and thiourea-substituted ...... improves catalyst performance.
@ast
Urea- and thiourea-substituted ...... improves catalyst performance.
@en
Urea- and thiourea-substituted ...... improves catalyst performance.
@nl
prefLabel
Urea- and thiourea-substituted ...... improves catalyst performance.
@ast
Urea- and thiourea-substituted ...... improves catalyst performance.
@en
Urea- and thiourea-substituted ...... improves catalyst performance.
@nl
P356
P1476
Urea- and thiourea-substituted ...... improves catalyst performance.
@en
P2093
Stephen J Connon
Séamus H McCooey
P304
P356
10.1002/ANIE.200501721
P407
P577
2005-10-01T00:00:00Z