有奖纠错
| 划词

Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.

本文研究了在相转移催化条件下对两可亲核试剂不同位置化反

评价该例句:好评差评指正

Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.

利用固载化聚乙二醇-400作三相相转移催化剂,以氢氧化钾水溶液作碱,从乙腈和苄发合成了乙腈单烷化物-α-苄乙腈。

评价该例句:好评差评指正

N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

以邻氯甲酸和对乙氧胺为原料,经过胺化、二芳胺环化、N-烷化、硫代化反合成了N-丁-2-乙氧硫代吖啶酮。

评价该例句:好评差评指正

A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.

本文用异龙脑与酚在酸性催化剂作用下进行选择性烷化反,再经催化氢化还原得到龙脑檀香产品。

评价该例句:好评差评指正

And it mainly includes the action of 1,3-diethylene alkylation and acidyl; the action of addition of carbonyl compound; the action of chlorortrimethys:lane and the reaction of diethy lene.

对含硫碳负离子─—1,3-二噻烷合成方法及其在有机合成上用进行比较系统介绍,主介绍1,3-二噻烷化和酰化反,与羰化合物加成反,与氯化三甲硅及1,3-二噻烷还原反

评价该例句:好评差评指正

P - tert - octylphenol (shorten by PTOP), the alkylation product of phenol with diisobutylene(shorten by DIB), has been largely applying in varied fields such as rubbers, oil additives and so on.

对叔辛酚(PTOP)作为二异丁烯(DIB)下游产品,是一种用途广泛、具有广阔市场前景精细化工产品。

评价该例句:好评差评指正

用户正在搜索


cryptocavine, cryptocenter, Cryptocerata, Cryptochaetidae, cryptochannel, cryptochimera, cryptoclastic, cryptoclimate, cryptoclimatology, Cryptococcaceae,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接