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- Asymmetric transformation becomes a more and more important branch in the preparation of optically active chemical compounds. 不对称转换是光学活性化合物制备中越来越重要的一个分支。
- Using L-proline as raw material, (2R,3R)-tartaric acid as resolution agent, D-proline was prepared by asymmetric transformation, i. 以L脯氨酸为原料、(2R,3R)酒石酸为拆分剂,采用不对称转换的方法将L-脯氨酸转换成D-脯氨酸。
- Using L-proline as raw material, (2R,3R)-tartaric acid as resolution agent, D-proline was prepared by asymmetric transformation, i.e. the D-proline was reacted with acetyl chloride, triethylamine and (BOC)_2O one after another. 以L脯氨酸为原料、(2R,3R)酒石酸为拆分剂,采用不对称转换的方法将L-脯氨酸转换成D-脯氨酸。
- Such asymmetric transformations are very costly compared to encryption and decryption using a symmetric key. 此类非对称转换较比使用对称密钥进行加密和解密的方法,其开销更大。
- second-order asymmetric transformation [化] 二级不对称转变; 二级不对称相转变
- first-order asymmetric transformation [化] 一级不对称转换
- The factors influencing the enantioselectivity of enzyme catalyzed asymmetric transformations in organic phase, and the enzymatic resolution kinetics are discussed. 总结了有机溶剂中的酶催化研究进展，讨论了影响有机溶剂中酶促不对称转化过程对映体选择性的因素和拆分动力学。
- Facile Production of D-Proline by Asymmetric Transformation of L-Proline 不对称转换法合成D-脯氨酸
- Racemization of L-Proline and Asymmetric Transformation of D-Proline L-脯氨酸的消旋及不对称转化法合成D-脯氨酸
- Keywords D （-）-phenylglycine;asymmetric transformation;resolution; 苯甘氨酸;不对称转换;拆分;
- Keywords D-histidine;asymmetric transformation;racemization;salicylaldehyde; 组氨酸;不对称转化;消旋;水杨醛;
- Keywords L-Histidine;D-Histidine;racemization;asymmetric transformation; 组氨酸;D-组氨酸;消旋;不对称转换;
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- Preparation of D-lysine by chemical reaction and microbial asymmetric transformation 化学生物耦合法制备D-赖氨酸
- Study on Racemization of L-Histidine and Asymmetric Transformation of L-Histidine to Synthesis D-Histidine L-组氨酸的消旋研究及不对称转化法合成D-组氨酸
- Keywords asymmetric transformation;racemization;configuration transformation;D-histidine;D-phenylglycine; 不对称转化;消旋;构型转化;D-组氨酸;D-苯甘氨酸;
- Keywords p-Hydroxyphenylglycine;p-toluene sulfonic;Racemization;Resolution;Preferential crystallization;Asymmetric transformation;Enzymatic resolution; 对羟基苯甘氨酸;对甲苯磺酸;消旋;拆分;诱导结晶;不对称转换;酶促拆分;
- The transformation of that project has been finished. 那个项目的改造已经完成。
- Keywords capillary array electrophoresis;rotary encoder;enantiomeric separation;enantiomeric excess value;asymmetric transformation reaction;high-throughput screening; 毛细管阵列电泳;旋转编码器;手性分离;手性过量值;不对称转化反应;高通量筛选;
- Most people's faces are asymmetric. 大多数人的脸不对称。
