奎宁和辛可宁衍生物的合成及其在不对称双羟化反应中的催化作用,医学论文,反应,催化,作用,不对,生物,合成, Keywords】 quinine; cinchonine; asymmetric dihydroxylation [gap=258]关键词】 奎宁;辛可宁;不对称双羟化反应
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...; cinchona alkaloidderived ligands; asymmetric dihydroxylation [gap=286]关键词】 氰尿酰氯;金鸡纳碱衍生物;不对称二羟化 ...
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不对称二羟基化反应(Asymmetric dihydroxylation,简称AD反应)是Sharpless教授于1987年发现的一类重要的催化不对称反应[8],它是以烯烃为原料,在由手性配体与OsO4原位配位而成的催化...
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4Rr扩群 “ XR』\/州\ ¨ , S 0斗L566有机化学1999钲他们以前所报道的不对称双羟化(asymmetric dihydroxylation)反应H J(以下简称AD反应)是..
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Sharpless asymmetric dihydroxylation 不对称双羟基化反应 ; 夏普莱斯不对称双羟基化反应
Asymmetric dihydroxylation of olefins 烯烃的不对称双羟基化
Sharpless asymmetric dihydroxylation reaction Sharpless不对称二羟化反应
A novel approach has been found and the first total synthesis of 7-butyl-6,8-dihydroxy-3(R)-pentylisochroman-l-one was accomplished. In which Sharpless asymmetric dihydroxylation was the key stepChapter 3.
并以4-丁基-3,5-二甲氧基苯甲醛为起始原料,用Sharpless不对称双羟化反应作为关键步骤,合成了手性的7-butyl-6,8-dihydroxy-3(R)-pentylisochroman-1-one(2-9)。
参考来源 - (In this thesis, two different kinds of key chiral intermediates for diltiazem were obtained by asymmetric dihydroxylation and asymmetric epoxidation. The synthesis method of 1,4-bis(9-O-quininyl)- phthalazine(QN)_2PHAL was improved by using KOH as acid-binding agent in refluxing toluene in 81% yield.
本文通过两种不对称催化法即不对称二羟化与不对称环氧化分别合成了两种不同的地尔硫卓手性中间体。
参考来源 - 地尔硫卓手性中间体的合成·2,447,543篇论文数据,部分数据来源于NoteExpress
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