2018
Rapid phenolic O-glycosylation of small molecules and complex unprotected peptides in aqueous solvent
Wadzinski TJ, Steinauer A, Hie L, Pelletier G, Schepartz A, Miller SJ. Rapid phenolic O-glycosylation of small molecules and complex unprotected peptides in aqueous solvent. Nature Chemistry 2018, 10: 644-652. PMID: 29713033, PMCID: PMC5964040, DOI: 10.1038/s41557-018-0041-8.Peer-Reviewed Original ResearchConceptsUnprotected peptidesSmall moleculesAmino acid functionalitiesHigh functional group toleranceFunctional group toleranceFree synthesisAcid functionalityProteinogenic amino acidsAqueous solventSelective formationSynthetic glycopeptidesAnomeric productsPhenolic functionalityGroup toleranceNatural productsGood yieldsSide chainsGlycosyl donorsBiochemical probesAryl glycosidesRoom temperatureMoleculesO-glycosylationPeptidesSimple approachDivergent 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 substratesSubstrateDiastereoselectivityStereoselectivityProductsReactivityPhosphopeptidesPhosphothreonine
2017
Site- 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
2014
Catalyst 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 ResearchConceptsBaeyer-Villiger oxidationPeptide-based catalystsHydrogen bonding interactionsTypes of selectivityParallel kinetic resolutionCatalyst controlFunctionalized KetonesCyclic ketonesFunctional groupsNatural productsComplex moleculesKinetic resolutionAsymmetric processEnantioselectivityRegioKetonesOxidationBroad utilityCatalystCatalysisSelectivityAmidesSynthesisMoleculesProductsTotal synthesis and isolation of citrinalin and cyclopiamine congeners
Mercado-Marin EV, Garcia-Reynaga P, Romminger S, Pimenta EF, Romney DK, Lodewyk MW, Williams DE, Andersen RJ, Miller SJ, Tantillo DJ, Berlinck RG, Sarpong R. Total synthesis and isolation of citrinalin and cyclopiamine congeners. Nature 2014, 509: 318-324. PMID: 24828190, PMCID: PMC4117207, DOI: 10.1038/nature13273.Peer-Reviewed Original ResearchConceptsNitrogen atomsChemical synthesisMultiple nitrogen atomsBasic nitrogen atomTotal synthesisFunctional groupsNatural productsSelective introductionTarget moleculesSuch compoundsChemical connectionsSynthesisAtomsBiogenetic precursorBasicityCompoundsMoleculesBroad rangePrecursorsAlkaloidsPresenceCongenersProducts
2013
Asymmetric Catalysis at a Distance: Catalytic, Site-Selective Phosphorylation of Teicoplanin
Han S, Miller SJ. Asymmetric Catalysis at a Distance: Catalytic, Site-Selective Phosphorylation of Teicoplanin. Journal Of The American Chemical Society 2013, 135: 12414-12421. PMID: 23924210, PMCID: PMC3790668, DOI: 10.1021/ja406067v.Peer-Reviewed Original ResearchConceptsTeicoplanin A2-2Site-selective phosphorylationPeptide-based catalystsSmall-molecule catalystsX-ray crystal structureCatalyst-substrate interactionsSet of catalystsDistinct hydroxyl groupsAsymmetric catalysisCatalytic controlStructural assignmentCatalystTeicoplanin derivativesNatural productsGlycopeptide structuresHydroxyl groupsCrystal structureMass spectrometryMechanistic studiesBiological activityCatalytic moietyAdditional functionalityCatalysisMoietySpectroscopy