addition reaction造句
例句与造句
- The addition reaction with hydrogen cyanide is base-catalysed .
与氰氢酸的加成是碱催化的。 - Because the reaction initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .
因为反应是由亲电试剂的附加而开始的，所以这个过程叫做亲电加成反应。 - Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .
因为反应是由亲电试剂的附加而开始的，所以这个过程叫做亲电加成反应。 - Study on addition reactions of nitriliums with bicyclo 2 , 2 , 1 - hept - 2 - ene
氮杂炔正离子与二环烯加成反应的理论研究 - Michael addition reaction
麦克尔加成反应 - It's difficult to find addition reaction in a sentence. 用addition reaction造句挺难的
- Theoretical study on the addition reaction for dichlorocarbene with carbon monoxide
二氯卡宾与一氧化碳加成反应机理的量子化学研究 - Markovnikov ' s rule and anti - markovnikov ' s rule in addition reaction to unsymmetrical alkenes
不对称烯烃加成反应中的马氏规则和反马氏规则 - They may be modified by the addition reaction of other monomers , such as styrene or acrylic esters
它们可以被加以其它单体而改性，如苯乙烯、丙烯酸酯。 - The yield of the addition reaction was increased from 66 % to 98 % because the synthesis method was improved
改进合成方法使加成反应的产率由原来的66 %提高到98 % 。 - Progress of organozinc reagents in asymmetric addition reactions catalyzed by sulfur - containing chiral ligands
含硫手性配体催化的有机锌试剂在不对称加成反应中的最新研究进展 - In order to make the atom economy more clear , the rearrangement reations addition reactions and isomerization reactions for examples were interpreted
通过有机化学反应中重排反应、加成反应和异构化反应等对原子经济性进行了探讨。 - On the contrary to the vinyl and aryl chlorides , the oxidative addition reaction of zerovalent palladium to chloro - substituted phosphaalkenes proceeded smoothly under mild conditions
摘要与氯代烯烃或芳烃相反，氯代膦烯与零价钯的氧化加成反应可以在温和条件下进行。 - In this paper , research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced
本文对近年来在高效卤化试剂研究方面取得的进展进行了综述，介绍了系列高效卤化剂在卤化取代反应、卤化加成反应等方面的应用。 - Abstract : benzotriazole is a good corrosion preventive compound that can reacts with aldehyde and alcohol . the addition reaction is used to synthesize eight alkoxyalkyl benzotriazoles by benzotriazole , propionaldehyde and methanol , ethanol , propanol , iso - propyl alcohol , n - but anol , iso - butanol , sec - butanol , tert - butanol . their structures were confirmed by elemental analysis , ir and 1hnmr . the mechanism of addition reaction was discussed
文摘:利用苯骈三氮唑、丙醛分别和甲醇、乙醇、丙醇- 1 、丙醇- 2 、丁醇- 1 、丁醇- 2 、 2 -甲基丙醇- 1 、 2 -甲基丁醇- 2反应合成了八种烷氧基烷基苯骈三氮唑，通过元素分析、 ir 、 1hnmr对上述化合物的结构进行了测定，并讨论了这类加成反应的历程。 - Hydroxyquinol triacetate was prepared from p - benzoquinone by 1 , 4 - addition reaction with acetic anhydride and then 6 , 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid . then 6 , 7 - dimethoxy coumarin was synthesized by methylating from 6 , 7 - dihydroxy coumarin with an overall yield of 74 . 4 % . the procedure was practical . its structure was confirmed by ir and 1hnmr
对苯醌与乙酸酐经1 , 4 -加成生成1 , 2 , 4 -苯三酚三乙酸酯,然后与苹果酸反应经水解、环合反应得6 , 7 -二羟基香豆素,再经甲基化得到6 , 7 -二甲氧基香豆素,总收率为74 . 4 % ,整个过程反应条件温和,操作方便,适合工业生产的要求,对产品结构进行了ir和1hnmr表征。