Weak Brønsted acid-thiourea co-catalysis: enantioselective, catalytic protio-Pictet-Spengler reactions.
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Enantioselective thiourea-catalyzed cationic polycyclizationsPharmacological importance of optically active tetrahydro-β-carbolines and synthetic approaches to create the C1 stereocenterSynthesis of Bisindole Alkaloids from the Apocynaceae Which Contain a Macroline or Sarpagine Unit: A ReviewAsymmetric cooperative catalysis of strong Brønsted acid-promoted reactions using chiral ureas.Asymmetric Mannich synthesis of α-amino esters by anion-binding catalysis.Thiourea-catalyzed enantioselective addition of indoles to pyrones: alkaloid cores with quaternary carbons.Ruthenium-catalyzed γ-carbolinium ion formation from aryl azides; synthesis of dimebolin.Enantioselective Pictet-Spengler Reactions of Isatins for the Synthesis of SpiroindolonesRh(II)2-catalyzed synthesis of α-, β-, or δ-carbolines from aryl azides.Mild and efficient cyanuric chloride catalyzed Pictet-Spengler reactionNovel diversity-oriented synthesis-derived respiratory syncytial virus inhibitors identified via a high throughput replicon-based screen.Asymmetric ion-pairing catalysis.N,N'-Bis[3,5-bis(trifluoromethyl)phenyl]thiourea: a privileged motif for catalyst development.Enantioselective acylation of silyl ketene acetals through fluoride anion-binding catalysisDual catalysis in enantioselective oxidopyrylium-based [5 + 2] cycloadditions.Thiourea-catalyzed enantioselective iso-Pictet-Spengler reactions.Asymmetric Brønsted acid catalysis with chiral carboxylic acids.Total Synthesis (+)-7-Bromotrypargine and Unnatural Analogs: Biological Evaluation Uncovers Activity at CNS Targets of Therapeutic Relevance.Tertiary aminourea-catalyzed enantioselective iodolactonization.Enantioselective formal aza-Diels-Alder reactions of enones with cyclic imines catalyzed by primary aminothioureasEnantioselective Michael addition/iminium ion cyclization cascades of tryptamine-derived ureas.On- and Off-Cycle Catalyst Cooperativity in Anion-Binding Catalysis.Study of the cis to trans isomerization of 1-phenyl-2,3-disubstituted tetrahydro-beta-carbolines at C(1). Evidence for the carbocation-mediated mechanism.Biocatalytic asymmetric formation of tetrahydro-β-carbolines.Mechanistic studies on the cis to trans epimerization of trisubstituted 1,2,3,4-tetrahydro-beta-carbolines.Bifunctional Asymmetric Catalysis with Hydrogen Chloride: Enantioselective Ring-Opening of Aziridines Catalyzed by a Phosphinothiourea.Enantioselective, thiourea-catalyzed intermolecular addition of indoles to cyclic N-acyl iminium ions.Enantioselective selenocyclization via dynamic kinetic resolution of seleniranium ions by hydrogen-bond donor catalysts.Cooperative catalysis in glycosidation reactions with O-glycosyl trichloroacetimidates as glycosyl donors.An olefin isomerization/asymmetric Pictet-Spengler cascade via sequential catalysis of ruthenium alkylidene and chiral phosphoric acid.Electron-deficient pyridinium salts/thiourea cooperative catalyzed O-glycosylation via activation of O-glycosyl trichloroacetimidate donors.Chiral Thioureas Promote Enantioselective Pictet-Spengler Cyclization by Stabilizing Every Intermediate and Transition State in the Carboxylic Acid-Catalyzed Reaction.Competition versus Cooperation in Catalytic Hydrogelators for anti-Selective Mannich Reaction.Mechanism-Guided Development of a Highly Active Bis-Thiourea Catalyst for Anion-Abstraction Catalysis.The cinchona alkaloid squaramide catalyzed asymmetric Pictet-Spengler reaction and related theoretical studies.A practical oxidative C-H functionalization of N-carbamoyl tetrahydro-β-carbolines with diverse potassium trifluoroborates.Synergistic Catalysis: Metal/Proton-Catalyzed Cyclization of Alkynones Toward Bicyclo[3.n.1]alkanones.Total syntheses of mitragynine, paynantheine and speciogynine via an enantioselective thiourea-catalysed Pictet-Spengler reaction.Enantioselective syntheses of corynanthe alkaloids by chiral Brønsted acid and palladium catalysis.Catalytic Enantioselective Synthesis of Lactams through Formal [4+2] Cycloaddition of Imines with Homophthalic Anhydride.
P2860
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P2860
Weak Brønsted acid-thiourea co-catalysis: enantioselective, catalytic protio-Pictet-Spengler reactions.
description
2009 nî lūn-bûn
@nan
2009年の論文
@ja
2009年論文
@yue
2009年論文
@zh-hant
2009年論文
@zh-hk
2009年論文
@zh-mo
2009年論文
@zh-tw
2009年论文
@wuu
2009年论文
@zh
2009年论文
@zh-cn
name
Weak Brønsted acid-thiourea co ...... tio-Pictet-Spengler reactions.
@en
type
label
Weak Brønsted acid-thiourea co ...... tio-Pictet-Spengler reactions.
@en
prefLabel
Weak Brønsted acid-thiourea co ...... tio-Pictet-Spengler reactions.
@en
P2860
P356
P1433
P1476
Weak Brønsted acid-thiourea co ...... tio-Pictet-Spengler reactions.
@en
P2093
Eric N Jacobsen
Rebekka S Klausen
P2860
P304
P356
10.1021/OL802887H
P407
P577
2009-02-01T00:00:00Z