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- Keywords Ketene dithioacetals;Pyrazole;Exchange resin;Addition elimination reaction.; 二硫缩醛;吡唑;离子交换树脂;加成-消除反应;
- Keywords -Oxo ketene dithioacetals;thiol equivalents;protection for carbonyl group;Dithiine and analogs;new method; 羰基二硫缩烯酮;代硫醇试剂;羰基保护;噻烯类似物;新方法;
- Keywords aminomethylpyridine;ketene dithioacetals;fatty amine;synthesis;biologic activity; 氨甲基吡啶;烯酮二硫缩醛;脂肪胺;合成;生物活性;
- Keywords a-oxo ketene dithioacetals;thiol equivalents;aqueous media;solvent-free reaction;thioacetalization;chemoselectivity; 羰基二硫缩烯酮;代硫醇试剂;水相反应;无溶剂反应;缩硫醛/酮化;化学选择性;迈克尔加成;
- Synthesis of the Conjugated Ketene Dithioacetals by 2-(1,3-Dithiopropylene)Methylene Aliphatic Ketone 由2-(1,3-亚丙二硫基)亚甲基脂环酮出发合成共轭的烯酮硫缩醛
- Keywords ketene;cyanogen radical;Density Function Theory method; 乙烯酮;氰基;密度泛函方法;
- hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis. 羟基二硫缩烯酮类化合物不仅含有烯丙基醇结构单元,而且双键端位被双烷硫基取代,是有机合成中的一类重要的有机中间体。
- α-oxo ketene dithioacetals α-羰基二硫缩烯酮
- Keywords ketene;atomic hydrogen;cyanogen radical;free radical reaction;transtion state;rate constant; 乙烯酮;原子氢;氰基;过渡态;速率常数;自由基反应;
- Keywords Ketene;Photodissociation;Velocity Map Ion-imaging;Quantum Interference Effect;Interference Effect Angle; 乙烯酮;光解;离子速度成像;量子干涉效应;干涉相位角;
- Keywords ketene;isopropenyl acetate;esterification;strong acidic cation-exchange resin;fine chemical intermediates; 乙烯酮;乙酸异丙烯酯;酯化反应;强酸性离子交换树脂;精细化工中间体;
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
- Some keywords in SQL are also reserved words. SQL中的一些关键字也是保留字。
- Are reserved keywords in Office projects. 是Office项目中的保留关键字。
- Click the Keywords button at the top of the window. 点按窗口顶部的“关键词”按钮。
- Mention your keywords inside the meta tags. 梅塔内提你主题词标识。
- Reserved keywords in the Remarks section. 之后的保留关键字。
- Keywords: Important words, search index. 关键字：重要字，供索引查。
- Keywords: Low power testing, BIST. 关键词：低功率测试、自我测试技术。
