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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.

本文异龙脑与苯酚在化剂作下进行选择烷基化反应,再经化氢化还原得到龙脑檀香产品。

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Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

接枝共聚和磺烷基化的方法对落叶松单

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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.

以邻氯苯甲和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖

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The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.

溴代苯乙和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的选择得到了酚的O-烷基化产物。

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General approaches involve the nucleophilic cycloalkylation, carbenoids addition of certain amino acid derivatives and derivatization from simple cyclopropane compounds.

制备方法包括对简单氨基衍生物的亲核环烷基化、类卡宾加成以及简单环丙烷化合物的衍生化合成等。

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

摘要利固载化聚乙二醇-400作三相相转移化剂,以氢氧化钾的水溶液作碱,从苯乙腈和苄基氯出发合成了苯乙腈的单烷基化物-α-苄基苯乙腈。

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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化条件下对两可亲核试剂不同位置的烷基化反应。

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So they die off more often than most other cells, which have time to fix damaged DNA and don't accumulate the same concentrations of alkylating agents.

因此癌细比其他大多数细死亡频率更高,其他细间修复受损DNA并不会累积相同浓基化剂。

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Because cancer cells multiply rapidly, they take in a high concentration of alkylating agents, and their DNA is frequently exposed and rarely repaired.

因为癌细迅速繁殖,它们吸收高浓基化剂,它们DNA经常暴露在外,很少修复。

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Take, for example, those first chemotherapy drugs, which are still used today and are called alkylating agents.

以第一批化疗药物举例,那些药物如今仍在使用,被称为基化剂。

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ingroup, in-group, ingrowing, ingrown, ingrowth, inguen, inguinal, inguinal canal, inguinal hernia, inguinally,

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3G, 401(K), a,
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