grignard的例句大全

Preparation of highly reactive solvated metal magnesium atoms via metal vapor synthesis and preparation of Grignard reagent

金属蒸气合成法制备高活性的溶剂化金属镁原子及格氏试剂

△~ 6-6-methyl spirolactone(ⅷ) was synthesized from epoxide(ⅱ) through the following series of reaction, viz, Grignard synthesis with the introduction of 6-methyl and side chain carboxyl groups simultaneously, followed by catalytic hydrogenation, chromic acid oxidation, dehydration and dehydrogenation.

△~6-6-甲基螺甾内酯（Ⅷ）可从环氧化合物（Ⅱ）经Grignard试剂一步加入6-甲基及侧链羧基，继用常法氢化、氧化、脱水、脱氢等步骤合成。

primary alkyl halide which contains β-hydrogen and is relatively hard to undergo the reaction, n-butyl chloride for instance, can react with aryl grignard reagents in the presence of nib alloy as well.

反应相对困难的含β-H的伯卤烷，如：正氯丁烷也可以在NiB催化下与芳基格氏试剂发生偶联。

Explore the new craft of preparing Grignard reagents.

探索合成格利雅试剂的新工艺.

Studies on C-Glycosides& ⅴ. Protection and Deprotection of Phenolic Hydroxy Group in the Synthesis of Substituted Phenols by Grignard Reagents

碳苷研究&Ⅴ.用Grignard试剂合成取代苯酚中酚羟基的保护及脱保护

Research on The Application of Modified BP Neural Networks Model in Grignard Reaction

格氏反应中改进BP神经网络模型的应用研究

Classic carbon-carbon bond-forming reactions such as Grignard, Wittig, and Diels-Alder reactions have played significantly important roles in organic synthesis since their discoveries.

格氏反应、Wittig反应、Diels-Alder反应等经典的碳-碳键成键反应从它们的发现开始就在有机合成中扮演了举足轻重的角色。

At last, the 1,1,4,4-tetraphenyl-1,3-butadiene derivatives ( 3a) and ( 3b) were synthesized by the Grignard reaction of ( 2) and benzophenone derivatives, with the yields being higher than 54.0%. The synthesizing requirements of all the steps were studied.

再与二苯甲酮衍生物经格氏反应制得了1,1,4,4-四苯基-1,3-丁二烯衍生物（3a）和（3b），收率高于54.0%，并对各步合成的工艺条件进行了研究。

Synthesis of Aromatics by Grignard Reaction with Supersonic Wave as Revulsant

超声波引发格氏反应制备几种香料

The Grignard-like reaction was that used the reagent replaced magnesium with zincum in water.

类格氏反应是用锌代替镁，在水体系中进行的增长碳链的反应。

Grignard reaction of methyl pyropheophorbide substituted at 3-position by acyl group and synthesis of chlorophyll derivatives

3-酰基焦脱镁叶绿酸甲酯的格氏反应及其叶绿素衍生物的合成

ResultsThe main by-product was11,17-d i-addition product of Grignard reagent of N, N-dimethylamino phenyl bromide.

结果证实了副产物是11，17位双加成的格氏反应的产物。

In this paper, 8-allyl-8-hydroxytricyclo [ 5,2,1,0 2,6] decane was prepared from tricyclo [ 5,2,1,0 2,6] decane-8-one through Grignard reaction.

在这篇文章中，以三环[5,2,1,02,6]癸烷-8-酮为原料，通过格氏反应合成了8-烯丙基-8-羟基三环[5,2,1,02,6]癸烷。

Cyclic amide ( incl. cyclic carbamates) and their derivatives ( excl. ureines and their derivatives), and salts thereof Grignard reaction of methyl pyropheophorbide substituted at 3-position by acyl group and synthesis of chlorophyll derivatives

环酰（包括环氨基甲酸酯）及其衍生物（不包括烷基脲及基衍生物）和它们的盐类3-酰基焦脱镁叶绿酸甲酯的格氏反应及其叶绿素衍生物的合成

After the Grignard reaction of ⅱ with ⅲ and the formation of hydrochloride salt, ⅳ was obtained by debenzylation in absolute ethanol with Pd/ C as catalyst under atmospheric pressure of hydrogen at 60 ℃ followed by hydrolysis with NaOH.

与进行格氏反应后，盐酸成盐，以无水乙醇作溶剂，5%Pd/C为催化剂，常压下60℃进行氢化脱苄，碱化后，得。

Studies on the Synthesis of Sesamin-group Lignans IV.A Study of the Reaction between Dimethyl 2-Phenyl-furane-3,4-dicarboxylate and Grignard Reagents

芝麻素类型木脂素的合成研究Ⅳ2－苯基呋喃3，4－二羧酸二甲脂与格氏试剂反应的研究

In the preparation of grignard reagent from inert alkyl bromide, the difficulty of the initiation of the reaction, which reduces the yield, limits its further application.

惰性卤代芳香烃在格氏试剂反应中，由于反应引发困难导致反应收率降低，影响格氏试剂的进一步应用。

Cross-coupling reaction of Grignard reagent catalyzed by nickel chloride

二氯化镍对格氏试剂交叉偶联反应的催化作用

A Significant Pathway for the Reactions between Grignard Reagents and Ketones-Single Electron Transfer Process

格氏试剂与酮反应的一个重要途径&单电子转移

The very important pharmaceutical intermediate p-fluoro-α-methylstyrene was synthesized using fluorobenzene, bromine and acetone as raw materials via bromination, Grignard reaction and dehydration.

以氟苯、溴和丙酮为原料，通过溴代反应、Grignard反应，再经脱水反应制得医药中间体对氟α-甲基苯乙烯。