Synthesis of ethyl iso nicotinate using BTEAC ( benzyl triethyl chloride ) as phase transfer catalyst was studied.

以BTEAC ( 苄基三乙基氯化铵 ) 为相转移催化剂合成了异烟酸乙酯.

互联网摘选 2025-01-18 10:57:12

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相关例句

1、

METHODS: The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation, benzoylation and reduction.

方法: 以氮 - 苄基保护胺基酮为原料,经氢化, 苯甲酰化,还原三步合成双苯甲酰沙丁胺醇酯.
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2、

Under optimum condition the yield of benzyl acetate for 3 hours at boiling is over 96 %.

在最佳反应条件下乙酸苄酯的产率可达96%以上.
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3、

Tetrabromobisphenol A-di ( o-chloro benzyl ) ether is a novel efficient flame retardant.

四溴双酚A - 双 ( 邻氯苄基 ) 醚是一种新型高效阻燃剂.
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4、

The coker gas oil was refined by benzyl alcohol extraction.

以苄醇为溶剂,用萃取方法提高了焦化柴油的质量.
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5、

Synthesized of benzyl oxide was using iodine catalyst dehydration for benzyl alcohol.

以单质碘为催化剂直接由苄醇催化脱水生产苄醚.
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6、

DNA filamentous fungi could be provided by the modified with benzyl chloride.

本文采用改进的氯化苄法,得到的DNA质量好、产量高,可以直接用于后续的基因操作.
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7、

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.

从苯乙腈制取苯基硝基甲烷就用这个方法.
来源：词典精选例句
8、

A scholar of Old English, Tolkien argued that Beowulf should be read for its literary merits.

身为古英语的学者, 托尔金主张[贝奥武夫]有其文学价值,因此值得一读.
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9、

Beowulf slays the monster Grendel and its mother and dies fighting a dragon.

中心故事是关于英雄贝奥武甫怎样打败湖怪格伦德尔及其母亲,后来自己又在杀一条龙时受伤而死.
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10、

Grendel was a male monster, slain by Beowulf in the Old English epic Beowulf.

在古英国史诗《贝奥武夫》中,格伦德尔是一只雄性怪兽, 最终被贝奥武夫杀死.
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11、

Results show that this Beowulf system could run with high speedup ratio and parallel efficiency.

结果表明:该系统能够达到非常高的并行加速比和并行效率.
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12、

Beowulf: That odor I know it!

贝尔渥夫: 那种味道为我所熟知!
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13、

The most important is Beowulf, a long epic of 3,182 lines.

最重要的长篇是史诗性质的《贝奥武甫》,它现存3,182行.
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14、

Beowulf: The odious one whose heart pumps the blood of Sparda!

贝尔渥夫: 流着斯巴达之血令人憎恶的家伙!
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15、

We render the opening lines of Beowulf in literal modern English below.

我们在下面把此诗开头部分用汉语直译出来.
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16、

Beowulf is the story of a great king who fought against monsters.

《比奥武夫》讲述的是一位伟大的国王与妖怪斗争的故事.
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17、

That man is truly good who knows his own dark places .-Beowulf.

知道自己暗处的人真的很好了---贝奥武夫,古英语经典同名作品主人公.
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18、

My name is strength ! And lust ! And power! I AM BEOWULF!

我的名字就等于力量、欲望和权力, 我--是--贝奥武夫!
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19、

But much later, Beowulf is killed by a treasure-hoarding dragon.

但许久之后, 贝奥武夫却被一条屯聚财宝的恶龙攻击而丧命.
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20、

Just don't take any course where they make you read Beowulf.

只要不选要让你读《裴欧沃夫》[英格兰诗史]的课就行.
来源：电影对白