“核-殼”結(jié)構(gòu)分子線的合成及性質(zhì)研究.pdf

1、蘭州大學(xué)博士學(xué)位論文“核殼”結(jié)構(gòu)分子線的合成及性質(zhì)研究姓名：師自法申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：化學(xué)有機(jī)化學(xué)指導(dǎo)教師：曹小平20070501◇越塒幺拿博士掌位論文師自法2007Abs仃actThisthesisisconcernedwiththestudiesonthesynthesisof“core—shells’’molecularwiresandtheirelectronicproperties，andthesynthesisofthe

2、aliphaticdendrimersAdditionallysixteennovelNNdiacylpif’跚dzinederivativesweresynthesizedandevaluatedaspotentialantitumoragentsItmainlyconsistsofthefollowingthreeparts：Firstwesummarizedtheimportanceofthemolecularwiresinnan

3、otechnologyandmolecularelectronics，andtherecentdevelopmentofthesynthesisandmeasurementoforganicmolecularwiresInchapter2，aseriesofoligo(phenyleneethynylene)s(OPEs)andtwooligo(phenylenevinylene)sfOVVs)麗lhdifferentdendrimer

4、sidegroupshavebeendesignedandsynthesizedn地keystepsinvolvedtheSonogashiraandWittigreactionrespectivelyⅡlemoleculescontaintlliolgroupsatbothendstoenableinterconnectionbetweennanoscalegappedmetallicelectrodesThedifferentden

5、drimergroupsactas‘shells’，allowingtailoringtothenanoscopicenvironmentsurro峨theOPEorOPV‘cole’Meanwhile，thedendrimershellsalsoactasspacersfortheprecisecontrolofthepackingdensityandintermoleeularinteractionbetweentheOPEorOP

6、VcoresInadditionnovelaliphatiedendrimersweredesignedandsynthesizedbyshortersynthesisroutethanthatofliteratureThekeystepsinvolvedtheadditionofOrignardreagentstothesuitableesters。dehydroxygroupandreductionreactionThesedend

7、rimerscanbeusedtothesynthesisof“core—shells’molecularwireswithmoreinsulating“shen“Inchapter3，aseriesofNNdiacylpiperazinederivativeswerepreparedandwereevaluatedforanticaneeractivityMostofthecompoundsshowedamoderatedegreeo