acetylenic

常見例句

• The principal synthetic methods, production and application about the tertiary acetylenic alcohols in domestic and abroad are introduced in this paper.
  本文介紹了國內(nèi)外叔炔醇的合成方法、生產(chǎn)及應(yīng)用。
• Firstly, we studied the carbozincation of acetylenic sulfones with organozinc reagents, which include allyl zinc bromide, benzyl zinc bromide, aryl zinc chloride, alkyl zinc chloride and diethyl zinc.
  研究了烯丙基溴化鋅、芐基溴化鋅、芳基氯化鋅、烷基氯化鋅等有機(jī)鋅試劑與炔基砜的碳鋅化反應(yīng)。
• The structure of the product 1,3-diphenyl-3-(p-methyphenyl)-2-(p-tolylsulfonyl)-2-propen-1-ol was determined by X-ray diffraction analysis, which suggests that the addition of aryl Grignard reagents to acetylenic sulfones is in the anti-fashion.
  產(chǎn)物(z)-1,3-二苯基-3-對(duì)甲基苯基-2-對(duì)甲苯砜基烯丙醇的結(jié)構(gòu)經(jīng)X-Ray單晶衍射分析確證為Z-型結(jié)構(gòu),說明芳基溴化鎂與炔基砜的加成為反式加成。
• Butynediol produced from acetylen(?) and formaldehyde contains about 1% of an unknown byproduct which is separated by distillation, extraction, recrystallization and column chromatography.
  甲醛炔化制1,4-丁炔二醇的反應(yīng)副產(chǎn)物中未知物約1%25,采用蒸餾、萃取、重結(jié)晶、柱層析等方法分離出未知物,純度可達(dá)97%25左右。
• polyoxyethylenated acetylenic glycol
  聚氧乙烯化炔二醇
• Favorskii-Babayan acetylenic alcohol synthesis
  [化] 法沃爾斯基-巴巴揚(yáng)炔醇合成
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