烯丙基的

It afforded a practical method to synthesize chiral allylic amines.

该方法是合成手性烯丙基胺类化合物的一个非常适用方法。

Allylic side chain was modified to give six bayin analogs in which compound I has a free 7-hydroxy group.

修饰8-位烯丙基侧链，得到了六个黑豆素类似物，共中8的7-位为游离羟基。

The flow rate: 0.5 mL min^(-1), column tempera ture: 30 ℃, HPLC chromatogram: 230 nm. Contents of sinigrin in 20 kinds of rapeseed were determined.

结果表明，烯丙基硫苷HPLC分离检测的最佳条件为：流动相：甲醇：水0.005 molL^(-1 KCl=9：91；流速：0.5mLmin^(-1)；柱温：30℃；检测波长：230nm。

Methods Naloxone was synthesized starting from oxidation of thebaine, followed by hydrogenation, acylation, cyanidation, O-demethylation, hydrolyzation and N-allylation. The alternative method of O-demethylation, methane sulfonic acid/DL-methionine and hydrobromic acid were investigated.

在以蒂巴因为原料，经氧化、氢化、酰化、氰化、去氧甲基、水解、N-烯丙基化得到纳洛酮的合成路线中，分别采用甲磺酸／DL-甲硫氨酸和氢溴酸代替三溴化硼进行去氧甲基化和后续水解反应。

Objective To research the effects of a chiral aminoalcohol in the asymmetric allylation of acylhydrazones.

目的 研究手性氨基醇在酰腙不对称烯丙基化反应中的促进作用。

The activation energy and rate constant of the allylation reaction was calculated in virtue of kinetic study.

进行了动力学研究，获得了反应活化能和各反应温度下的反应速率常数，同时研究结果表明烯丙基化反应级数为2，反应机理为S(来源：A16BC论文网www.abclunwen.com)N2 亲核取代反应。

The palladium-catalyzed allylation is a powerful tool for C-C, C-N, and C-O bond formation, which has been widely applied to organic chemistry.

而利用金属钯当作催化剂来进行烯丙基化反应，形成碳-碳键，碳-氮键和碳-氧键，在有机化学中是很广泛的合成方法。

The active compound Celangulin-V, which is the main active compound against insect pest from Celastrus angulatus Max, was modified at its 6-OH and the core structure β-dihydroagarofuran polyol of Celangulins from the basic hydrolysis of the extract of the root bark of Celastrus angulatus Max was modified by combinatorial chemical method.

主要结果如下： 1、合成了苦皮藤素V6-乙酯、6-烯丙基醚和6-酮等衍生物，通过NMR方法鉴定了化合物的结构，经文献检索均为新化合物，生测结果表明酮衍生物丧失了杀虫活性，乙酯衍生物与苦皮藤素V活性相当，醚衍生物较苦皮藤素V活性提高11倍。

Polyether modified polysiloxane was synthesized by the hydrosilation reaction of hydrogen containing silicone fluidand allyl polyether, using chloroplatinic acid as the catalyst.

以氯铂酸为催化剂，利用含氢硅油与烯丙基聚醚的硅氢加成反应，合成出聚醚改性硅油；然后用乙醇胺进行胺化反应，制成纸张用氨基改性聚醚硅油柔软剂。

Objective To study the effects of diallyl trisulfide on apoptosis of human leukemia cells HL-60 and the probable mechanism involved.

目的 研究二烯丙基三硫对HL-60细胞凋亡的影响及其作用机制。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新