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1MemoryofChiralityinJ-TypeAggregatesofAchiralPeryleneDianhydrideDyeCreatedinaChiralAsymmetricCatalyticSynthesisJin-SongZhao,Yi-BinRuan,RongZhouandYun-BaoJiang*DepartmentofChemistry,CollegeofChemistryandChemicalEngineering,andtheMOEKeyLaboratoryofAnalyticalSciences,XiamenUniversity,Xiamen361005,ChinaE-mail:ybjiang@xmu.
edu.
cnElectronicSupportingInformationTableofcontents1.
Materials,MeasurementsandExperimentalProcedures…22.
ESI-MSofPDAaggregatesdissociatedinDMF(Fig.
S1)33.
AbsorptionandfluorescencespectraofPDAmonomerinDMF(Fig.
S2)44.
AbsorptionandCDspectraofPDAJ-aggregatesmediatedbyL-lacticacid(Fig.
S3)45.
CDspectraofPDAJ-aggregatesmediatedbyL-tartaricacidwithoutandwithlateradditionofexcessD-tartaricacid(Fig.
S4)56.
1HNMRspectraofPDAJ-aggregatesandofPTKandCTAB(Fig.
S5)57.
1HNMRspectrumofpotassiumL-tartrateinD2O(Fig.
S6)68.
1HNMRspectraofpotassiumtartrateinD2O(Fig.
S7)69.
CDandabsorptionspectraofPDAJ-aggregatesbeforeandafterpurification(Fig.
S8)710.
CDspectraofpurifiedPDAJ-aggregatesmediatedbyL-tartaricacidwithoutandwithlateradditionofD-tartaricacid(Fig.
S9)711.
XRDofpurifiedPDAJ-andH-aggregates(Fig.
S10)812.
CDandabsorptionspectraofPDAinL-tartaricacid/TTABsolutions(Fig.
S11)813.
References.
921.
Materials,MeasurementsandExperimentalProceduresMaterialsReagentsandsolventswereusedasreceivedfromcommercialsourceswithoutfurtherpurification.
L-(+)-tartaricacid(>99%),D-(-)-tartaricacid(>99%),andperylene-3,4,9,10-tetracarboxylicdianhydride(PDA,>98%)werepurchasedfromAcrosOganics.
Otherchemicals(AR)includingoctadecyltrimthylammoniumbromide(OcTAB),cetyltrimethylammoniumbromide(CTAB),tetradecyltrimethylammoniumbromide(TTAB),decyltrimethylammoniumbromide(DTAB),andHClandKOHwerepurchasedfromGuoyao(Shanghai,China).
Potassiumperylenetetracarboxylate(PTK)wasobtainedfromhydrolysisofPDA.
1Solutionof1.
96g(5mmol)PDAand1.
12g(20mmol)KOHin20mLwaterwasheatedat50°Cfor5hours,duringwhichthedarkredPDApowdergraduallydissolvedtoleadtoadarkredsolution.
Afterfiltration,ethanolwasaddedtothefiltratetoprecipitatePTKthatwasthencollectedthroughfiltrationanddriedundervacuum,affording2.
73gyellowPTKpowderwithayieldof93%.
MeasurementsAbsorptionandCDspectrawererecordedonVarianCary-300UV/VisspectrophotometerandJASCOJ-810spectropolarimeter,respectively.
FluorescencespectrawererecordedonHitachiF-4500fluorescencespectrophotometer.
Electrosprayionizationmassspectrometry(ESI-MS)wasperformedonBrukerESQUIRE-3000plusmassspectrometerbyinjectionofDMFsolutionofthesample.
1HNMRand13CNMRspectrainD2OwererecordedonBrukerAV400spectrometer.
X-raydiffraction(XRD)wasperformedonPanalyticalX'pertPROdiffractometerequippedwithCuKαradiation(λ=1.
5418).
ZetapotentialdatawereobtainedonZetaPALSZetapotentialanalyzer.
Thesemeasurementswerecarriedoutat25°C.
ForCDspectralmeasurements,thesamplesolutioninacellwasstirredbeforethemeasurement.
Thenthesamplewasazimuthallyrotated90oaroundthelightaxisforconsecutivemeasurementsandthusobtainedCDspectrawerefoundtobethesame.
ThereforetheCDsignalsoriginatedexclusivelyfromthemolecularphenomenabutnotfromopticalartifactssuchastheinterferenceoflineardichroism.
2ExperimentalProcedures8mLPTK(62.
5μM)inCTAB(5mM)solutionand2mLL-orD-tartaricacid(2.
5mM,10equiv)inCTAB(5mM)solutionweremixedin10mLflaskat17°C.
Theflaskwassealedandheldat17°Cfor36hours.
Thefinaltransparentsolutionwasinmagenta3colorandwashardlyluminescent.
ThefinalconcentrationofPDAinCTABsolutionwas50μM.
FormationofPDAwasconfirmedbyESI-MS(FigureS1).
PurificationofthesynthesizedchiralPDAJ-aggregateswasperformedusingprecipitationmethod.
Increasingionicstrength,e.
g.
byadditionofsaturatedKBrsolution,resultedinbrownprecipitate.
AfterfiltrationandwashingwithcoldsaturatedKBrsolutionfor3times,theprecipitatewascarefullywashedwithcoldwaterbyavoidingheavystirringanddriedundervacuumbelow15°C.
Theobtaineddarkredprecipitatecanbere-dissolvedinpurewaterunderstirringtoformtransparentmagentasolution.
ConcentrationofthepurifiedPDAJ-aggregatesre-dissolvedinwaterwasmeasuredbyabsorptionspectrophotometry.
3200μLPDAJ-aggregatessolutionwasinjectedinto1.
8mLaqueoussolutionofKOH(1mM)andCTAB(5mM),hydrolysisofPDAtoPTKoccurredimmediatelyandthesolutioncolorturnedtobrightgreen.
Theconcentrationofperylenederivativeswascalculatedbytheabsorbanceat472nmincomparisonwiththestandardworkingcurveoftheabsorbanceat472nmagainstPTKconcentration,independentlypreparedfromabsorptionspectralmeasurementsonstandardPTKsolutions.
2.
ESI-MSofPDAaggregatesdissociatedinDMFESI-MScharacterizationwasperformedinthenegativeionmode.
Samplesolutionwaspreparedbyquickinjectionof40μLPDA(50μM)CTABsolutioninto2mLDMF.
Fig.
S1ESI-MSofPDAmonomerinDMF43.
AbsorptionandfluorescencespectraofPDAmonomerinDMFFig.
S2Normalizedabsorption(solidtrace)andfluorescence(dashtrace,λex=480nm)spectraofPDA(2.
5μM)inDMF.
4.
AbsorptionandCDspectraofPDAJ-aggregatesmediatedbyL-lacticacidFig.
S3(a)CDand(b)absorptionspectraofPDA(50μM)J-aggregatesmediatedbyL-lacticacidinaqueousCTAB(5mM)solution.
55.
CDspectraofPDAJ-aggregatesmediatedbyL-tartaricacidwithoutandwithlateradditionofexcessD-tartaricacidFig.
S4CDspectrumofthePDA(10μM)J-aggregatesinthepresenceofL-tartaricacid(0.
1mM)(black)andthatoveroneweekafterlateradditionof10-foldexcessofD-tartaricacid(1mM)at10-15°C(red)inaqueousCTABsolutions.
6.
1HNMRspectraofPDAJ-aggregatesandofPTKandCTABFig.
S51HNMRspectraof(a)purifiedPDAJ-aggregatesinD2Oand(b)afterdissociationoftheaggregatesbyaddingexcesssolidKOHinthesameD2Osolution.
SignalsofprotonsinbothPTKandCTABaredistinct,whereasnoC*Hsignaloftartrateat4.
23ppm(Fig.
S6)wasobserved.
TheamountofpossiblyremainingtartaricacidinthepurifiedPDAJ-aggregateswasthereforeestimatedtobemuchlessthan0.
5%ofPDA(Fig.
S7).
67.
1HNMRspectrumofpotassiumL-tartrateinD2OFigS61HNMRspectrumofpotassiumtartrate(20mM)inD2O.
8.
1HNMRspectraofpotassiumtartrateinD2OFig.
S71HNMRspectraof(a)purifiedPDAaggregatesdissociatedbyKOH(portionofFig.
S5b,concentrationoftheformedPTKwasca.
20mM)andpotassiumtartarateatconcentrationof(b)0.
1mM(0.
5%ofPTK),(c)0.
2mM(1%ofPTK)and(d)1mM(5%ofPTK)inthepresenceofPTK(20mM)inD2O.
79.
CDandabsorptionspectraofPDAJ-aggregatesbeforeandafterpurificationFig.
S8(a)CDand(b)absorptionspectraofthePDA(50μM)J-aggregatesmediatedbyL-tartaricacidbefore(blacktrace,inaqueousCTABsolution)andafter(redtrace,inwater)purification.
10.
CDspectraofpurifiedPDAJ-aggregatesmediatedbyL-tartaricacidwithoutandwithlateradditionofD-tartaricacidFig.
S9CDspectraofpurifiedPDAJ-aggregates(10μM,blacktrace,inwater)mediatedbyL-tartaricacidandthePDAJ-aggregates(10μM)afterlateradditionofD-tartaricacid(1mM,redtrace,inwater).
Thetwotracesarealmostthesame.
811.
XRDofpurifiedPDAJ-andH-aggregatesFig.
S10PowderXRDpatternsofthepurifiedPDA(a)J-and(b)H-aggregates.
TheH-aggregatesderivedfromJ-toH-aggregatestransitioninwaterat30°C.
12.
CDandabsorptionspectraofPDAinL-tartaricacid/TTABsolutionsFig.
S11(a)CDand(b)absorptionspectraofPDA(50μM)inTTABsolutionofvaryingconcentrationinthepresenceof0.
5mML-tartaricacid.
913.
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