糖番中間體的合成碳水化合物化學(xué)中羥基的選擇性保護(hù).pdf

1、南京理工大學(xué)碩士學(xué)位論文糖番中間體的合成碳水化合物化學(xué)中羥基的選擇性保護(hù)姓名：張靜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：方志杰20030301竺蘭堡蘭：墮墾主塑竺竺魚墮AbstractInthisthesis，thereactionsuchastritylation，Ptosylation，chlorizationandacetylationwereusedintheselectiveprotectionofthehydroxyls

2、ofcarbohydrateThedegradationofchitinandsynthesisofglycophanewerealsostudiedDifferentmethodswereusedintheexperimentsoftheselectiveprotectionofhydroxylgroupsofmaltoseThetechnicalconditionofpreparing66’一diOptosyl1，2，2，，3，3，

3、，4，hexa—acetyl。maltosewasimprovedaswellAndaneffectivemethodofdeprotectionoftritylation，whichcouldcompletelydeprotectthetrityl，wasalsodiscussedOptimumconditionofl5reparing66，diOp—tosyl2，2’，3，3’，4，4’hexa一0一acetyltrehalosew

4、asdeterminedInthecvclizationof6，6’di_Op。tosyl2，2’，3，3’，4，4’hexa一0acetyltrehalosewithcatechn01anewcompoundwasseparatedThecompoundcouldbeether，whichformedfromthepolymerizationKeywords：hydroxyl，selectiveprotect，tritylation，