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时间:2019-03-15
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1、AdvancedOrganicLabExperimentsAdvancedOrganicLabExperiments●Technique1.IdentificationOfUnknownCompounds●Technique2.FlashChromatography.●Technique3.AdvancedChemicalInformationTechnology●Technique4.PreparativeVacuumSublimation●Technique5.AdvancedMolecularModelling●Technique6.ReactionsInLiqu
2、idAmmonia●Technique7.VacuumLineTechniqueAndAnaerobicHandling●Technique8.ReactionInAPressureBottle●Technique9.AdvancedNMRSpectroscopyAnd3DInterpretation●Technique11.ReactionsOfOctal-2-Ones●Technique12.CatalyticHydrogenationAtAtmosphericPressure●Technique15.ReactionsInLiquidAmmonia●Techniq
3、ue16.ReductionsWithLithiumAluminiumHydride●Technique18.OzonolysisOfAnOlefin●Technique19.PhotochemistryOfSantonin●Technique20.Multi-StageSynthesesCopyright(c)ICSTMChemistryDepartment,1994.http://www.ch.ic.ac.uk/GIC/organic_lab.html[06-12-80:10:35]http://www.ch.ic.ac.uk/local/organic/1.htm
4、lA1:ADVANCEDIDENTIFICATIONSAttempttoidentifythecompoundAandthenaturalproductN.Warning:Caremustbeexercisedwhenhandlingandworkingwiththe'unknown'compounds.Asasensibleprecaution,assumethemtobehazardous(manyare)andavoidanyskincontact,inhalationofvapouroringestion.CompoundAi.Purifythematerial
5、bydistillationand/orrecrystallisation.Recordthem.p.or,ifliquid,theb.p.andtherefractiveindex.ii.Recordthei.r.,n.m.r.andu.v.spectra.iii.Submitasampleofyourpurifiedcompoundformicroanalysis.Thesubmissionformsareavailableattheservicecounter.Completedforms,towhichasmallpolytopsamplevialcontain
6、ingafewmgs.ofyourunknownAisattached,shouldbehandedinviaNickDavies.Theformwillbereturnedtoyou(after1-2weeks)withthecorrectpercentagecompositionfiguresandthemolecularweightinserted.Youwillbeassessedupontheaccuracyofyourresults.iv.Analysethephysical,spectralandmicroanalyticaldatainordertoar
7、riveatastructurefortheunknown.v.Ifatthisstage,theidentityofthecompoundisstilluncertain,itwillbenecessarytomakeasuitablederivative(~100mg).Yourdatawillhaveproducedalternativestructuressochooseaderivativewhichyouknowwilldistinguishbetweenthese.Asasafetyprecaution,discussthe
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