烷基取代的3H-萘并[2，1-b]吡喃的合成及性能研究.pdf

1、四川大學(xué)碩士～學(xué)位論文題目垃基墾垡盟3旦二整羞魚!二!]絲嗑盟僉盛壟些自l叢塞作者塑量基完成日期!!!!生旦旦培養(yǎng)單位指導(dǎo)教師專業(yè)研究方向授予學(xué)位日期四川大學(xué)李龍章副教授有機(jī)化學(xué)有機(jī)功能材料2005年月日Synthesisandproperitiesofsubstituted3H—naphtho[2，1一b]pyransSpeciality：OrganicChemistryGraduate：zhaoChangyanSupervisor：

2、LilongzhangRecently’photochromicmaterialshadbeenintensivelystudiedbymanyresearchersduetotheirpotentialapplicationsinmanynewtechnologiesandourdailylife，suchaSopticaldatarecording，nonlinearoptics，opticalswitching，opticalco

3、mputing，holographicsystemsandorganicdisplaymaterialsAmongthesematerials，pyrancompoundshadbeenattractedwideattentionfortheiroutstandingproperties，astheyweresenskivelyresponsivetolight，faderapidlyafterirradiationandhadhigh

4、opticalstabilityAllofthesel：_easonsmadepyrancompoundshavepromisingpracticalapplicationprospects3Hnaphtho[2，1一b]pyranswasthebestphotochromicmaterialsamongpyranderivatives，SOmostresearchWOrkWaSfocusonthemAndalmostallthewor

5、kisrefertotheirphotocolourabilityandfatigueresistance，whiletheirsolubilityinorganicsolventisrarelyreported，whichisallimportantproperityinpracticaluseBasedontheideatopromotethesolubilityof3H—naphtha[2，I—b】pyrans，wedesigne

6、dandsynthesizedtwo3Hnaphtho[2，1b]pyrancompotmdsbondingalongalkylchainin8positionBystudyingtheirphotochromicproperities，wefound8hexyl一3Hnaphtho[2，1一b]pyranhavingadvantageousphotochromicproperities，suchashighcolorability，r