可逆熱色性席夫堿化合物的合成及熱色性能的研究.pdf

1、華中師范大學碩士學位論文可逆熱色性席夫堿化合物的合成及熱色性能的研究姓名：徐漢紅申請學位級別：碩士專業(yè)：有機化學指導教師：朱傳方2000.5.1AbstractThemainworkofthisthesisincludesthefollowingthreepartsI五efwstpart玨edevelopmentoftherevelsiblethermochromiccompoundswereviewedThemainclassific

2、ations，memechanismandtheapplicationofthermochromicSchiffbaseswereintroducedindetailbasedOilthereferencesandmaterialsaboutthistopicsBasedonmanyreferenceswechOOSetosynthesizefourseriescompoundsasanilsof24dihydroxyacetophen

3、one(I)，sulfc’namideSchiffbases(II)，PP’diaminodiphenylmethane—Sch酊bases(111)paminoazobenzene—Sehifrbases(IV)accordingtotheassumptionthattheobjectivecompoundsmusthavereversiblethermoehromism，hi曲ertransitiontemperatureandbe

4、easytosynthesizeThesecondpart：Theintermediateof24dihydroxyaceto—phenonesulphbnamide，P，P’diaminodiphenylmethanepaminoazobenzeneweresynthesizedrespectivelyKctoanilsweresynthesizedbytheimprovedmethodusingnbutanolassolventTh

5、eothercomplexeswerepreparedbythecommonmethodTheobjectivecompoundswerecharacterizedbythemeansofmP、elementalanalysis、MS、IR、UVand。HNMRspectroscopyT1lethirdpart：Weobserveddirectlythethermoehromicphenomenaofallcompoundsafterh

6、eatedbyeyesBasedonmanyexperimentaldatesobtmnedfrominvestigatingtheDSCofmostthermochromiccompounds，weanMyze。systemicallythespecificationoftheirthermaldecomposition，findtherelationbetweenthe△H(△S)ofthepeaksofmeltingandther

7、mocolourpointsandthestructureofsomecompoundsThethermochromicmechanismofketoenoltautomerismofsalicyaldehydeSehiffbaseswasprovedbydetermining13CNMRofsomethermochromiccompoundsThemaximumresonancebalancewasassignedfornonsali