植物甾醇內(nèi)酯及其類似物的合成研究.pdf

1、北京化工大學(xué)碩士學(xué)位論文植物甾醇內(nèi)酯及其類似物的合成研究姓名：姚芳申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：趙邦蓉2000.5.1北京化工大掌碩士論文ABSTRACTSincel979，theplantgrowthhormonebrassinolideanditsanalogueswereisolatedfrompollenoftherapeandleavesofteaThebrassinolideanditsanalogueswhic

2、harenewkindofplantgrowthregulatorshaveremarkablebiologicalactivitiesinpromotingdivisionandgrowthofplantcellsinverylittledensity，andtheycanstrengthentheabilityoffightingchillandfightingplantdiseasetoenhancetheproductofcro

3、psButthescarcityofthenaturalmaterialsofbrassinolideanditsanaloguescantsatisfythenecessaryofagriculturaldevelopmentSothesyntheticworkareabsolutelynecessaryinstudyofsynthesisandfarmingThesixintermediatesfthemixedphytostero

4、ltosylate，3，5一cyclo‘phytoster0135一cyclo6一cholestone，23ene6‘cholestone，23’epoxy(2223一epoxy)一6一cholestoneand23一epoxy(22，23一epoxy)一7’oxy’_6cholestone)andtargetproductthemixedphytosterollactonesanditsanalogues)aresynthesized

5、fromthemixedphytosterols(sitosterol，campsterol，stigmasterol，brassicaster01)inthewastematerialsofoilindustrYIntheprocessofthesynthesis，aseriesoftheconditionalexDerimentswhichincludethechangeoftemperature、time、solventandca

6、talystarestudiedinordertogetbetterproductandshortentheexperimentalstepsTheeconomicalandlittlepoisonouscatalystsuccinicacidperoxidereplacestheexpensiveandhighpoisonouscatalyst0s04intheeDoxidizationandreducesthetwostepsint

7、oonestep，ThusshorteningthereactiontimeandreducingthereactionstepsThewholeprocessofsvnthesisisbriefandsuccinicacidperoxideascatalysttosynthesizebrassinolidearenotreportedindocumentsKEYWORDS：Phytosterol，plantgrowthregulato