stereoselective相关论文
Stereoselective pharmacokinetic and metabolism studies of 20(S)-and 20(R)-ginsenoside Rg3 epimers in
20(S)-and 20(R)-ginsenoside Rg3 are a pair of epimers which could be deglycosylated to ginsenoside Rh2 and protopanaxadi......
Stereoselective [2+2] photodimerization within the confined space of a Ru/Pd heterometallic coordina
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Stereoselective Ring-Opening Polymerization of rac-Lactide Catalyzed by Squaramide Derived Organocat
Main observation and conclusionrnSubstantial progresses have been made toward the development of metal-free catalysts fo......
Stereoselective [2+2] photodimerization within the Confined Space of a RutheniumPalladium Heterometa
In recent decades,chemists have drawn inspiration from nature to design of supramolecular complex hosts that mimic t......
Highly Stereoselective Positional Isomerization of Styrenes via Acid-Catalyzed Carbocation Mechanism
The first transition metal-free highly stereoselective positional isomerization of various a-alkyl styrenes through a ca......
Stereoselective C（sp^3）-C（sp^2） Negishi coupling of （2-amido-1-phenylpropyl）zinc compounds through t
A controllable diastereoselective C(sp2)-C(sp3) Negishi coupling reaction of secondary benzylic zinc reagents with aryl ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The racemic neocnidilide has been synthesized by stereoselective reaction of hemiacetal 5 with n-BuMgBr....
A novel and efficient route of synthesizing 1, 2, 4-triazoline-5-ones is reported. The title compounds can be prepared i......
在有机化合物,尤其是天然产物中,碳碳双键的构型往往对其生理活性起了决定性的作用。本文综述了在有机合成领域中,通过炔烃立体选......
岩藻糖α（1-6）-氨基葡萄糖是N-glycans基本结构骨架中的重要组成部分,在该二糖的合成上,本研究利用兼有保护羟基、＂armed activation＂（......
目的：研究左旋、右旋硫普罗宁在大鼠体内的立体选择性药动学过程。方法：大鼠静脉注射左旋、右旋及消旋硫普罗宁后，用柱前衍生化与LC—......
利用铑（Ⅱ）催化重氮苄基膦酸酯与芳香醛或酮化学专一地进行环氧化反应,高产率、高立体选择性地合成了顺式环氧乙烷-2-膦酸酯。反应历......
Synthetic Studies of Didemnaketals Analogue-Construction of the Intermediate (3S,5S,6R)-3,7-Dimethyl
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（Z）-α-Selanyl alkenyl Grignard reagents 2 were prepared conveniently by treatment of α-bromovinylselenides 1 with magnes......
Stereoselective HPLC Assay of T J0711 Enantiomers by Precolumn Derivatization with GITC Using UV Det
This investigation describes a new precise,sensitive and accurate stereoselective RP-HPLC method for determination of th......
A Highly Stereoselective Synthesis of 2－Carbomethoxy－3－aryl－4－carboethoxy－5－methyl－cis－2，3－dihydrofu
ＡＨｉｇｈｌｙＳｔｅｒｅｏｓｅｌｅｃｔｉｖｅＳｙｎｔｈｅｓｉｓｏｆ２－Ｃａｒｂｏｍｅｔｈｏｘｙ－３－ａｒｙｌ－４－ｃａｒｂｏｅｔｈｏｘｙ－５－ｍｅｔｈｙｌ－ｃｉｓ－２，３－ｄｉｈｙｄｒｏｆｕｒａｎｓＤＩＮＧＷｅｉ－ｙｕ；ＣＨＥＮＹａ－ｌｉ；ＺＨＡＮＧ.........
A Highly Stereoselective Synthesis of 2－Carbomethoxy－3－aryl－4－carboethoxy－5－methyl－cis－2，3－dihydrofu
ＡＨｉｇｈｌｙＳｔｅｒｅｏｓｅｌｅｃｔｉｖｅＳｙｎｔｈｅｓｉｓｏｆ２－Ｃａｒｂｏｍｅｔｈｏｘｙ－３－ａｒｙｌ－４－ｃａｒｂｏｅｔｈｏｘｙ－５－ｍｅｔｈｙｌ－ｃｉｓ－２，３－ｄｉｈｙｄｒｏｆｕｒａｎｓＤＩＮＧＷｅｉ－ｙｕ；ＣＨＥＮＹａ－ｌｉ；ＺＨＡＮＧ.........
Aldols from aliphatic aldehydes had been synthesized enantioselectively using Singh’s catalyst. Self and crossed aldol ......
The present study reports the reaction of 4-bromomethylcoumarins with salicylidineaniline in acetone with two equivalent......
Stereoselective High-Performance Liquid Chromatography Tandem Mass Spectrometry Method for Determina
A stereoselective, sensitive and rapid liquid chromatography-tandem mass spectrometry (LC-MSMS) method for the determina......
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顺式-1-甲氧羰基-2-芳基-6,6-二甲基-5,7-二氧螺环[2,5]-4,8-辛二酮与联苯二胺(Ⅱ0)或4,4′-亚甲基二苯胺 (Ⅱ1)在二氯甲烷中,40℃......
In recent years, β-amino acids and their derivatives have attracted considerable attention due to their occurrence in b......
Stereoselective separation and determination of quizalofopethyl in tobacco by ultra-performance conv
The purpose of this study was to develop and validate a novel and sensitive method for simultaneous enantiomeric analysi......
二氢鞘氨醇（ＤＨＳ）是２－氨基－１，３－二羟基的饱和长链氨基醇化合物，是构成鞘脂类（包括鞘磷脂和糖鞘脂）的主链部分．由于鞘脂类在自然界中来源稀少，又很难得......
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The racemic neocnidilide has been synthesized by stereoselective reaction of hemiacetal 5 with n-BuMgBr....
Optically active 3-butylphtalide of high enantiomeric excesses (up to 93% e.e.) was synthesized from the reduction of o-......
We screened 15 Agromyces strains from the Microbacteriaceae family and 16 Gordonia strains from the Gordoniaceae family ......
综述了有机合成领域中，通过炔烃立体选择性还原制备了Ｚ－或Ｅ－烯烃的近期方法。...
