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- Keywords butyrolactam;stereoselective synthesis;cyclopropane derivative; 丁内酰胺;立体选择性;环丙烷衍生物;
- Keywords polyfluoroalkyl iodide;cyclopropane derivative;sodium dithionite; 多氟烷基碘代烷;环丙烷衍生物;连二亚硫酸钠;
- This paper deals with the reaction of 1,2,3 trisubstituted electron deficient cyclopropane derivatives cis 1 carbomethoxy 2 p substitutedphenyl 6,6 dimethyl 5,7 dioxo spiro [2,5] 4,8 octadiones with thiophenol to give the products 4 and 5a. 报导1;2;3-三取代贫电子环丙烷衍生物顺-1-甲氧羰基-2-对位取代苯基-6;6-二甲基-5;7-二氧-螺-[2;5]-4;8-辛二酮与苯硫酚的反应.
- Keywords Cyclopropane derivative;H/D exchange reaction;Collision-induced dissociation;Chemical ionization; 环丙烷衍生物;H/D交换反应;碰撞诱导解离技术;化学电离;
- An Available Synthesis of Cyclopropane Derivatives 环丙烷衍生物的简便合成
- Keywords electron-deficient cyclopropane derivative;butyric acid derivative;polysubstituted-but-3-enic acid; 贫电子环丙烷衍生物;丁酸衍生物;多取代-3-丁烯酸衍生物;
- Keywords Nuclear magnetic resonance spectroscopy;structure analysis;nuclear overhauser effect spectroscpy;cyclopropane derivative; 核磁共振;结构表征;二维核磁共振谱;环丙烷衍生物;
- Synthesis of Polyfluoroalkyl Substituted Cyclopropane Derivatives 多氟烷基取代的环丙烷衍生物的合成
- Chemistry of Electron-Deficient Cyclopropane Derivatives 贫电子环丙烷衍生物的化学
- cyclopropane derivative 环丙烷衍生物
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- Simple Synthesis and Structure Elucidation of Cyclopropane Derivatives 一类环丙烷衍生物的简易合成及波谱学结构表征
- Studies on Double Hydrolytic Transformation of Chiral Cyclopropane Derivatives 手性环丙烷类衍生物双水解转换的研究
- Reaction of Electron-Deficient Cyclopropane Derivatives with Methanol 贫电子环丙烷衍生物与甲醇的反应
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号，用以标明变量的第一个导数
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- Studies on Regioselective Transformation of Auxiliary Group in Chiral Spiro - cyclopropane Derivatives 手性螺-环丙烷化合物中手性辅基的区域性转换反应的研究
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- Study on the Reaction of 1,2,3-Trisubstituted Electron Deficient Cyclopropane Derivatives with Thiophenol 1,2,3一三取代贫电子环丙烷衍生物与苯硫酚反应的研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
