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- Keywords tandem asymmetric reaction;aziridine derivative;optical activity;crystal structure; 串联的不对称合成;氮杂环丙烷衍生物;光学活性;晶体结构;
- tandem asymmetric reaction 不对称串联反应
- WT5BZ]Some kinds of asymmetric reactions catalyzed by chiral polymer, such as asymmetric reaction of aldehydes with diethylzinc, asymmetric dihydroxylation of olefines were reviewed. 综述了近几年来手性聚合物催化剂在不对称烷基化反应,双羟基化反应中的应用,并对该类催化剂的设计作了分析和总结,系统地讨论了催化剂的结构与性能的关系。
- They were widely used in asymmetric reactions due to the advantages of easy isolation and circular use with no apparent reduction of stereoselectivity. 由于其便于分离提纯、可以回收重复使用且立体选择性没有明显降低等优点在不对称反应中得到了广泛的应用。
- This thesis reported the synthesis of novel nucleophilic chiral amine catalysts and their application in asymmetric reactions. 近年来,亲核手性胺催化剂的合成与应用得到了迅速发展,成为当前有机小分子催化研究的热点。
- At present, studies on and applications of chiral diamines have been regarded as one of the most remarkable fields in catalytic asymmetric reactions. 目前，手性二胺化学的研究已成为催化不对称化学领域中一个十分活跃和引人注目的研究热点。
- Keywords iodonium ylides;reactivity;asymmetric reaction; 碘叶立德;反应性;不对称反应;
- Oxazo-type compounds mainly include oxazolidinone, oxazoline and oxazaborolidine.Usually they are used as chiral auxiliaries, chiral catalysts and chiral ligands in asymmetric reactions. 摘要聚合物支载恶唑类化合物主要包括聚合物支载恶唑烷酮、恶唑啉和硼杂恶唑啉等，其在不对称反应中主要用作手性助剂、手性催化剂及催化剂配体。
- Keywords asymmetric reaction;bis（oxazoline）;ligand;progress; 不对称;双唑啉;配体;进展;
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- DFT Study on Mechanism of Transition Metal-Catalyzed Asymmetric Reaction 过渡金属催化不对称反应机理的密度泛函研究
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- I'm displeased at your reaction. 我对你的反应很不满意。
- The forces of reaction made reform difficult. 反动势力给改革造成了困难。
- His reaction on this matter is unexpected. 没料到，他对这件事的反应是这样的。
- A sharp reaction; a repercussion. 强烈反应后果，影响
- How many people are going to do a tandem jump? 您一共有多少人参加跳伞活动?
- Their reaction was one of qualified praise. 他们的反应是一种有保留的称赞。
- Mikrotherm tandem valve the first great success. 串联阀Mikrotherm第一个卓越的成就。
- His initial reaction was one of shock. 他最初的反应是震惊。
