acetylenic

常见例句

• The principal synthetic methods, production and application about the tertiary acetylenic alcohols in domestic and abroad are introduced in this paper.
  本文介绍了国内外叔炔醇的合成方法、生产及应用。
• 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.
  研究了烯丙基溴化锌、苄基溴化锌、芳基氯化锌、烷基氯化锌等有机锌试剂与炔基砜的碳锌化反应。
• 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.
  产物(z)-1,3-二苯基-3-对甲基苯基-2-对甲苯砜基烯丙醇的结构经X-Ray单晶衍射分析确证为Z-型结构,说明芳基溴化镁与炔基砜的加成为反式加成。
• 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-丁炔二醇的反应副产物中未知物约1%25,采用蒸馏、萃取、重结晶、柱层析等方法分离出未知物,纯度可达97%25左右。
• polyoxyethylenated acetylenic glycol
  聚氧乙烯化炔二醇
• Favorskii-Babayan acetylenic alcohol synthesis
  [化] 法沃尔斯基-巴巴扬炔醇合成
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