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- alkenyl morpholinium 烯基吗啉鎓
- Preparing alkenyl halide from alkyne. 3.Preparing alkenyl halide from aldehyde and ketone. 3,以醛酮为原料合成卤代乙烯类化合物。
- The liquid-phase rearrangement of 2,10-epoxypinane and the product distributions catalyzed by morpholinium nitrate are studied in this paper. 研究硝酸吗啉催化的2,10-环氧蒎烷液相重排反应及其产物分布规律,主要考察了催化剂用量、反应温度和反应时间对主要产物分布的影响。
- By using this methodology, alkenyl silanes which have useful applications from a synthetic point of view could be easily obtained. 藉由改变起始物硫缩醛(酮)的取代基,或是使用不同的格林那试剂,我们能利用此烯化反应得到在有机合成上有许多应用的有机矽化合物。
- The research worked on the preparation of starch sodium alkenyl succinate. Various methods were compared and major factor was discussed. 研究了十二烯基琥珀酸淀粉酯的合成机理;比较了几种制备方法;探讨了主要的影响因素.
- The present situation and the existing problems of alkyl fatty acid starch ester and alkenyl succinic anhydride at home and abroad were introduced. 而对烯基琥珀酸淀粉酯要重点研究低葡萄糖值的酶解产物。
- Fluidity improver H89 2 (terpolymer) used to depress the pour point of waxy crude oil was synthesized from alkene, fatty acid alkenyl ester and alkenyl amide. 以烯烃、脂肪酸烯基酯和烯基酰胺或烯基磺酸盐为主要原料,合成了能降低含蜡原油凝点的流动性改进剂H89-2(三元共聚物)。
- While investigating Pd-catalyzed cross-coupling reactions between alkenyl halides and azides to yield vinyl azides, 1 H -1,2,3-triazoles were obtained as the main product. 在调查钯催化交叉偶联反应之间烯卤化物、乙烯产量叠叠;1小时-1;2;3-三唑为主要产品均获得.
- The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality. 二烯烃和烯基芳烃是非常不稳定的组分,可聚合产生凝胶。对于给定烯烃和烷基芳烃,氢化可以改善产品质量。
- The reaction of 2-alkyl benzimidazolium iodide with alkenyl magnesium haloride and the reaction of 2-alkenyl benzimidazolium iodide with Grignard reagent were studied, a new synthetic method for unsaturated ketone was provided. 对2位取代的苯并咪唑盐与烃基为不饱和取代基的格利雅试剂的加成-水解反应及由2位带不饱和取代基的苯并咪唑盐与烃基为饱和取代基的格利雅试剂的加成-水解反应进行了研究,提出了不饱和酮的新合成方法。
- Generally believed that 8-iso-amyl alkenyl and the flavonoid glycoside Epimedium is right for cardiovascular and immune activity of the major components, and has anti-tumor activity. 一般认为具有8-异戊烯基的黄酮及其苷类是淫羊藿对心血管及免疫促进活性的主要成分,并具有抗肿瘤活性。
- dialkyl morpholinium alkyl sulfate 二烷基吗啉烷基硫酸鎓
- butyl-hydroxy butyl alkenyl acdic cycloester 4-羟基-丁烯内酯
- Keywords reinforced concrete;corrosion;morpholinium poly-amine; 钢筋混凝土;腐蚀;气相缓蚀剂;阻锈;
- Starting from a core molecule possessing alkenyl groups and repeating the hydrosilylation step and alkenylation step, a carbosilane dendrimer with Si-atoms as branching pointing was obtained. 从一个含有烯基的中心核分子开始,重复进行硅氢化作用和烯基化作用的过程可以获得以硅原子作为支化点的碳硅烷树形分子。
- Keywords Japanese beetle;sex pheromone;alkenyl cuprate; 日本丽金龟;性信息素;烯基铜;
- Keywords triphenyltin;alkenyl or alkynyl phosphonic acid;synthesil; 三苯基锡;烯基或炔基膦酸;合成;
- Keywords tributytin;alkynyl (or alkenyl) phosphonic acid;synthes 三丁基锡;炔基或烯基膦酸;合成;
- Keywords tribenzyltin alkynyl or alkenyl phosphonic acid synthesis; 三苄基锡;炔基(烯基)膦酸;合成;
- Keywords sizing agent;alkenyl succinic anhydride;alkene oligomer; 施胶剂;烯基琥珀酸酐;烯烃齐聚产物;