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- During the experiments, it is discovered that chiral phase transfer catalysis deriving from cinchonine or ephedrine hydrochloride can induce the asymmetry synthesis of mandelic acid in the existence of adscititious solvent. 实验还发现,由辛可宁或麻黄碱衍生的手性相转移催化剂在有外加溶剂时才能诱导扁桃酸的不对称合成。
- Keywords Chiral phase transfer catalyst Alkylation; 手性相转移催化剂;烷基化;
- Synthesis and Asmmetric Induction Effect of Chiral Phase Transfer Catalysts 手性相转移催化剂的合成和不对称诱导效应
- Progress of the Chiral Phase Transfer Catalysts and the Applications in Asymmetric Catalytical Reaction 手性相转移催化剂及其在不对称催化反应中的应用
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- CHIRAL PHASE TRANSITION IN A MODEL WITH DYNAMICAL SPONTANEOUS-SYMMETRYBREAKING AT FINITE TEMPERATURE AND DENSITY 具有动力学破缺的模型在有限温度和密度下的手征相变
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- Disappearance of Chiral Soliton Solutions and Chiral Phase Transition at High Temperature 在有限温度下手征孤子的消失与手征相变
- Keywords chiral phase transfer catalyst;chiral diquaternary amm onium salts;synthesis;asymmetric induction effect; 手性相转移催化剂;手性双季铵盐;合成;不对称诱导效应;
- They have decided to phase in the new techniques. 他们已决定逐步引入新技术。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。
- Keywords enantioselective alkylation;chiral phase transfer catalyst;cinchona alkaloid; 对映选择性烷基化反应;手性相转移催化剂;金鸡纳生物碱;
- L-Methyl glyoxylate is an important chiral reagent. 二羟乙酸L-薄荷酯是一种重要的手性试剂。
- Such a carbon is designated as a chiral carbon. 这样的碳原子称为手性碳。
- Chiral Ward-Takahashi Identities at Finite Temperature and Chiral Phase Transition in (2+1) Dimensional Chiral Gross-Neveu Model 在(2+1)维手征Gross-Neveu模型中有限温度的Ward-Takahashi恒等式和手征相变
- A phase or an aspect of a logically developing process. 契机一个按逻辑发展过程的阶段或方面
- Zhejiang Chiral Medicine Chemicals Co., Ltd. 浙江手心医药化学品有限公司。
- Hangzhou Chiral Danyuan Chemicals Co., Ltd. 杭州手心丹源化学品有限公司。
- British Leyland has announced plans to phase out some of its cars next year. 英国雷兰德汽车公司已宣布他们明年将逐步淘汰某些型号的汽车的计划。
- Chengdu Likai Chiral Tech Co., Ltd. 成都丽凯手性技术有限公司。