2024
Catalytic Enantioselective Sulfoxidation of Functionalized Thioethers Mediated by Aspartic Acid-Containing Peptides
Huth S, Tampellini N, Guerrero M, Miller S. Catalytic Enantioselective Sulfoxidation of Functionalized Thioethers Mediated by Aspartic Acid-Containing Peptides. Organic Letters 2024, 26: 6872-6877. PMID: 39102356, PMCID: PMC11329351, DOI: 10.1021/acs.orglett.4c02452.Peer-Reviewed Original ResearchConceptsEnantioselective oxidation of sulfidesModel of transition stateLevels of enantioinductionOxidation of sulfidesChiral sulfoxidesPeptide catalystsTransition stateEnantioselective sulfoxidationAspartic acid-containing peptidesSulfoxideThioethersEnantioinductionCatalystMoietySubstrateHydrogenSulfideExperimental evidenceEnantioselective Sulfonimidamide Acylation via a Cinchona Alkaloid-Catalyzed Desymmetrization: Scope, Data Science, and Mechanistic Investigation
Haas B, Lim N, Jermaks J, Gaster E, Guo M, Malig T, Werth J, Zhang H, Toste F, Gosselin F, Miller S, Sigman M. Enantioselective Sulfonimidamide Acylation via a Cinchona Alkaloid-Catalyzed Desymmetrization: Scope, Data Science, and Mechanistic Investigation. Journal Of The American Chemical Society 2024, 146: 8536-8546. PMID: 38480482, PMCID: PMC10990064, DOI: 10.1021/jacs.4c00374.Peer-Reviewed Original ResearchConceptsDensity functional theoryStructure-activity relationshipBis-acylationExcellent yieldsAsymmetric acylationTetrahedral intermediateSynthetic chemistryFunctional theoryMechanistic investigationsReaction kineticsMechanistic studiesSulfonimidamidesDesymmetrizationEnantioselectivityStructural studiesCatalystAcylPharmacophoreCinchonaIntermediateReactionChemistryKineticsYield
2018
Divergent Control of Point and Axial Stereogenicity: Catalytic Enantioselective C−N Bond‐Forming Cross‐Coupling and Catalyst‐Controlled Atroposelective Cyclodehydration
Kwon Y, Chinn AJ, Kim B, Miller SJ. Divergent Control of Point and Axial Stereogenicity: Catalytic Enantioselective C−N Bond‐Forming Cross‐Coupling and Catalyst‐Controlled Atroposelective Cyclodehydration. Angewandte Chemie International Edition 2018, 57: 6251-6255. PMID: 29637680, PMCID: PMC5964046, DOI: 10.1002/anie.201802963.Peer-Reviewed Original ResearchConceptsAxis of chiralityCopper complexesChiral phosphoric acid catalystChiral copper complexesPhosphoric acid catalystStereogenic carbon centersMultiple stereoisomersCatalytic approachCatalytic reactionStereogenic elementsAcid catalystRemote desymmetrizationCatalyst controlAxial chiralityCarbon centerStereogenic centersCross couplingHigh diastereoselectivityPhosphoric acidCatalystChiralityStereoisomersCyclodehydrationStereogenicityReactionDivergent Stereoselectivity in Phosphothreonine (pThr)-Catalyzed Reductive Aminations of 3‑Amidocyclohexanones
Shugrue C, Featherston AL, Lackner RM, Lin A, Miller SJ. Divergent Stereoselectivity in Phosphothreonine (pThr)-Catalyzed Reductive Aminations of 3‑Amidocyclohexanones. The Journal Of Organic Chemistry 2018, 83: 4491-4504. PMID: 29547285, PMCID: PMC5963540, DOI: 10.1021/acs.joc.8b00207.Peer-Reviewed Original ResearchConceptsReductive aminationNumerous reactive sitesPeptide catalystsParallel kinetic resolutionDFT calculationsNMR studiesReactive sitesDivergent selectivitySecondary interactionsNatural productsKinetic resolutionCatalystAminationDivergent stereoselectivitiesCatalyzed Reductive AminationPeptide sequencesSelectivityComplex substratesSubstrateDiastereoselectivityStereoselectivityProductsReactivityPhosphopeptidesPhosphothreonineDisulfide-Bridged Peptides That Mediate Enantioselective Cycloadditions through Thiyl Radical Catalysis
Ryss JM, Turek AK, Miller SJ. Disulfide-Bridged Peptides That Mediate Enantioselective Cycloadditions through Thiyl Radical Catalysis. Organic Letters 2018, 20: 1621-1625. PMID: 29504763, PMCID: PMC5963541, DOI: 10.1021/acs.orglett.8b00364.Peer-Reviewed Original ResearchParameterization and Analysis of Peptide-Based Catalysts for the Atroposelective Bromination of 3‑Arylquinazolin-4(3H)‑ones
Crawford JM, Stone EA, Metrano AJ, Miller SJ, Sigman MS. Parameterization and Analysis of Peptide-Based Catalysts for the Atroposelective Bromination of 3‑Arylquinazolin-4(3H)‑ones. Journal Of The American Chemical Society 2018, 140: 868-871. PMID: 29300461, PMCID: PMC5817992, DOI: 10.1021/jacs.7b11303.Peer-Reviewed Original Research
2017
Desymmetrization of Diarylmethylamido Bis(phenols) through Peptide-Catalyzed Bromination: Enantiodivergence as a Consequence of a 2 amu Alteration at an Achiral Residue within the Catalyst
Hurtley AE, Stone EA, Metrano AJ, Miller SJ. Desymmetrization of Diarylmethylamido Bis(phenols) through Peptide-Catalyzed Bromination: Enantiodivergence as a Consequence of a 2 amu Alteration at an Achiral Residue within the Catalyst. The Journal Of Organic Chemistry 2017, 82: 11326-11336. PMID: 29020446, PMCID: PMC5738245, DOI: 10.1021/acs.joc.7b02339.Peer-Reviewed Original ResearchSite- and Stereoselective Chemical Editing of Thiostrepton by Rh-Catalyzed Conjugate Arylation: New Analogues and Collateral Enantioselective Synthesis of Amino Acids
Key HM, Miller SJ. Site- and Stereoselective Chemical Editing of Thiostrepton by Rh-Catalyzed Conjugate Arylation: New Analogues and Collateral Enantioselective Synthesis of Amino Acids. Journal Of The American Chemical Society 2017, 139: 15460-15466. PMID: 28975793, PMCID: PMC5736372, DOI: 10.1021/jacs.7b08775.Peer-Reviewed Original ResearchConceptsComplex moleculesSite-selective catalysisComplex molecular settingsComplex natural productsSite-selective modificationPotassium saltNew analoguesApplication of RhFunctional group toleranceEnantioselective catalysisSelective functionalizationCatalyst systemAnalogous reactionStereoselective functionalizationEnantioselective synthesisGroup toleranceNatural productsActive moleculesPotent antibacterial propertiesDehydroalanine residuesBiological testingAmino estersHigh stereoselectivityAntibacterial propertiesMolecular settingApplications of Nonenzymatic Catalysts to the Alteration of Natural Products
Shugrue CR, Miller SJ. Applications of Nonenzymatic Catalysts to the Alteration of Natural Products. Chemical Reviews 2017, 117: 11894-11951. PMID: 28580785, PMCID: PMC5742423, DOI: 10.1021/acs.chemrev.7b00022.Peer-Reviewed Original ResearchConceptsNatural productsNonenzymatic catalystsComplex molecular scaffoldsComplex natural productsH bond functionalizationC bond formationNatural product scaffoldsLate-stage functionalizationNatural product derivativesSynthesis of analoguesChemical functionalityMedicinal chemistryBond functionalizationElectrophilic reagentsOlefin functionalizationSelectivity challengesBiological activity assaysBond formationEnzymatic catalystsProduct derivativesMolecular scaffoldsCatalystComplex moleculesChemical remodelingSmall molecules
2016
Diversity of Secondary Structure in Catalytic Peptides with β‑Turn-Biased Sequences
Metrano AJ, Abascal NC, Mercado BQ, Paulson EK, Hurtley AE, Miller SJ. Diversity of Secondary Structure in Catalytic Peptides with β‑Turn-Biased Sequences. Journal Of The American Chemical Society 2016, 139: 492-516. PMID: 28029251, PMCID: PMC5312972, DOI: 10.1021/jacs.6b11348.Peer-Reviewed Original ResearchMeSH KeywordsCatalysisCrystallography, X-RayModels, MolecularPeptidesProtein ConformationQuantum TheoryConceptsPeptide-based catalystsSolid-state structural featuresΒ-turn secondary structureX-ray crystal structureProton chemical shiftsCorresponding solution structuresSymmetry-independent moleculesX-ray crystallographyAccessible transition stateGround state conformationSeries of tetrapeptidesChemical shiftsDifferent peptide sequencesEnantioselective reactionsSecondary structureCatalytic activityBromination reactionSame unit cellCatalytic peptidesTransition stateCrystal structureCatalystState conformationComputational studyConformational equilibriumSolution Structures and Molecular Associations of a Peptide-Based Catalyst for the Stereoselective Baeyer–Villiger Oxidation
Abascal NC, Miller SJ. Solution Structures and Molecular Associations of a Peptide-Based Catalyst for the Stereoselective Baeyer–Villiger Oxidation. Organic Letters 2016, 18: 4646-4649. PMID: 27588823, PMCID: PMC5130343, DOI: 10.1021/acs.orglett.6b02282.Peer-Reviewed Original ResearchMeSH KeywordsCatalysisCyclohexanonesMolecular StructureOxidation-ReductionPeptidesSolutionsStereoisomerismConceptsBaeyer-Villiger oxidationPeptide-based catalystsStereoselective Baeyer–Villiger oxidationsCatalytic reactionStereoselective catalystsEffect of additivesSolution conformationCatalystMolecular associationSubstrate-specific interactionsUnique structureSolution structureOxidationStructural analysisAdvantageous featuresSelectivityExperimental observationsPeptidesConformationStructureAdditivesReactionSynthesis and evaluation of phenylalanine-derived trifluoromethyl ketones for peptide-based oxidation catalysis
Featherston AL, Miller SJ. Synthesis and evaluation of phenylalanine-derived trifluoromethyl ketones for peptide-based oxidation catalysis. Bioorganic & Medicinal Chemistry 2016, 24: 4871-4874. PMID: 27452284, PMCID: PMC5053897, DOI: 10.1016/j.bmc.2016.07.012.Peer-Reviewed Original ResearchDistal Stereocontrol Using Guanidinylated Peptides as Multifunctional Ligands: Desymmetrization of Diarylmethanes via Ullman Cross-Coupling
Kim B, Chinn AJ, Fandrick DR, Senanayake CH, Singer RA, Miller SJ. Distal Stereocontrol Using Guanidinylated Peptides as Multifunctional Ligands: Desymmetrization of Diarylmethanes via Ullman Cross-Coupling. Journal Of The American Chemical Society 2016, 138: 7939-7945. PMID: 27254785, PMCID: PMC5127171, DOI: 10.1021/jacs.6b03444.Peer-Reviewed Original Research
2015
A stepwise dechlorination/cross-coupling strategy to diversify the vancomycin ‘in-chloride’
Wadzinski TJ, Gea KD, Miller SJ. A stepwise dechlorination/cross-coupling strategy to diversify the vancomycin ‘in-chloride’. Bioorganic & Medicinal Chemistry Letters 2015, 26: 1025-1028. PMID: 26725950, PMCID: PMC4728044, DOI: 10.1016/j.bmcl.2015.12.027.Peer-Reviewed Original ResearchEnantioselective Synthesis of 3‑Arylquinazolin-4(3H)‑ones via Peptide-Catalyzed Atroposelective Bromination
Diener ME, Metrano AJ, Kusano S, Miller SJ. Enantioselective Synthesis of 3‑Arylquinazolin-4(3H)‑ones via Peptide-Catalyzed Atroposelective Bromination. Journal Of The American Chemical Society 2015, 137: 12369-12377. PMID: 26343278, PMCID: PMC5134330, DOI: 10.1021/jacs.5b07726.Peer-Reviewed Original ResearchConceptsAtroposelective brominationDensity functional theory calculationsBroad substrate scopeX-ray crystallographyΒ-turn peptideFunctional theory calculationsCross-coupling sequenceFree catalystsSubstrate scopeAmination procedureStereochemical informationEnantioselective synthesisTheory calculationsHigh enantioselectivityRotational barriersMechanistic studiesSubsequent transformationBrominationMono-orthoProduct of interestCatalystEnantioinductionCrystallographyEnantioselectivityIsomersSite-Selective Reactions with Peptide-Based Catalysts
Giuliano MW, Miller SJ. Site-Selective Reactions with Peptide-Based Catalysts. 2015, 372: 157-201. PMID: 26307403, DOI: 10.1007/128_2015_653.Peer-Reviewed Original ResearchMeSH KeywordsCatalysisErythromycinGlycopeptidesMacrolidesOxidation-ReductionPeptidesPhosphorylationPyronesStructure Diversification of Vancomycin through Peptide-Catalyzed, Site-Selective Lipidation: A Catalysis-Based Approach To Combat Glycopeptide-Resistant Pathogens
Yoganathan S, Miller SJ. Structure Diversification of Vancomycin through Peptide-Catalyzed, Site-Selective Lipidation: A Catalysis-Based Approach To Combat Glycopeptide-Resistant Pathogens. Journal Of Medicinal Chemistry 2015, 58: 2367-2377. PMID: 25671771, PMCID: PMC4364393, DOI: 10.1021/jm501872s.Peer-Reviewed Original ResearchConceptsStructure diversificationLipid chain lengthStructure-activity relationship studiesPeptide catalystsCatalytic approachAliphatic hydroxylDerivatization sitesDerivatives 9aGlycopeptide-resistant pathogensNovel antibiotic leadsChain lengthLipid chainsRelationship studiesAntibiotic leadsCatalystCatalysisAntibiotic-resistant infectionsHydroxylHereinScaffoldsBioactivityChainSpectraLipidationIncorporationRegioselective Derivatizations of a Tribrominated Atropisomeric Benzamide Scaffold
Barrett KT, Miller SJ. Regioselective Derivatizations of a Tribrominated Atropisomeric Benzamide Scaffold. Organic Letters 2015, 17: 580-583. PMID: 25582814, PMCID: PMC4364386, DOI: 10.1021/ol503593y.Peer-Reviewed Original ResearchConceptsLithium-halogen exchangeAsymmetric ligandsBenzamide scaffoldChiral moleculesRegioselective derivatizationEnantioselective synthesisGroup installationRegioselective transformationSequential PdAllylic alkylationHigh regioselectivityMoleculesBenzamidesPhosphinoDerivatizationRegioselectivityAlkylationLigandsTribromideSynthesisDerivativesPdScaffoldsPotential utility
2014
Multivalency as a Key Factor for High Activity of Selective Supported Organocatalysts for the Baylis–Hillman Reaction
Goren K, Karabline‐Kuks J, Shiloni Y, Barak‐Kulbak E, Miller SJ, Portnoy M. Multivalency as a Key Factor for High Activity of Selective Supported Organocatalysts for the Baylis–Hillman Reaction. Chemistry - A European Journal 2014, 21: 1191-1197. PMID: 25376519, DOI: 10.1002/chem.201404560.Peer-Reviewed Original ResearchConceptsNew carbon-carbon bondsCarbon-carbon bondsRate-determining proton transferThird generation analoguesMethyl vinyl ketoneBaylis–Hillman reactionAnalogous catalystsDendritic catalystsSupported OrganocatalystsImidazole unitsDendritic effectReaction solventIntermediate adductModel reactionProton transferImidazole moietyActive substratesVinyl ketoneCatalystP-nitrobenzaldehydeReaction yieldMultivalent architectureHigh activityContent of waterHigher generationsCatalyst Control over Regio- and Enantioselectivity in Baeyer–Villiger Oxidations of Functionalized Ketones
Romney DK, Colvin SM, Miller SJ. Catalyst Control over Regio- and Enantioselectivity in Baeyer–Villiger Oxidations of Functionalized Ketones. Journal Of The American Chemical Society 2014, 136: 14019-14022. PMID: 25250713, PMCID: PMC4195385, DOI: 10.1021/ja508757g.Peer-Reviewed Original ResearchMeSH KeywordsCatalysisKetonesKineticsOxidation-ReductionPeptidesStereoisomerismSubstrate SpecificityConceptsBaeyer-Villiger oxidationPeptide-based catalystsHydrogen bonding interactionsTypes of selectivityParallel kinetic resolutionCatalyst controlFunctionalized KetonesCyclic ketonesFunctional groupsNatural productsComplex moleculesKinetic resolutionAsymmetric processEnantioselectivityRegioKetonesOxidationBroad utilityCatalystCatalysisSelectivityAmidesSynthesisMoleculesProducts