- 更多网络例句与频哪醇相关的网络例句 [注:此内容来源于网络,仅供参考]
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In Chapter Ⅱ, the pinacol-coupling reactions of carbonyl compounds promoted by dysprosium were described. The reaction of ketones and aldehydes promoted by Dy/n-BuBr were proceeded in anhydrous THF which gave pinacol in high yield.
第二章研究了金属镝促进下羰基化合物的还原偶联反应,醛、酮在无水THF中与Dy/n-BuBr反应,可高产率地得到频哪醇。
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Methods for synthesizing of pinacol are reviewed,the difference of catalytic effects and stereoselectivity with various catalytic systems are introduced in this paper.Highlights are laid on the mechanism and stereoselectivity of new synthetic methods catalyzed by low valent Samarium, Titanium and Trimethyl chlorosilane, etc.
频哪醇合成新进展* The Recent Progress in the Synthesis of Pinacol 李有桂蒋昌盛尤田耙**(中国科学技术大学化学系合肥 230026)本文综述了合成频哪醇的方法,介绍了不同催化体系的催化效果和立体选择性的差异,着重介绍了低价钐、低价钛、三甲基氯硅烷等新的合成频哪醇反应的机理和立体选择性。
- 更多网络解释与频哪醇相关的网络解释 [注:此内容来源于网络,仅供参考]
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countercurrent extraction:逆流萃取
逆第尔斯-阿尔德反应|retro Diels-Alder reaction | 逆流萃取|countercurrent extraction | 逆频哪醇重排|retropinacol rearrangement
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cyanohydrin:羟腈
Semicarbazone 缩氯基脲 | Cyanohydrin 羟腈 | Pinacol 频哪醇
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Benzilic rearrangement:二苯乙醇酸重排
Semipinacol rearrangement 半频哪醇重排 | Benzilic rearrangement 二苯乙醇酸重排 | Acyl rearrangement 酰基重排
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pimelic acid:庚二酸
pimelate 庚二酸;庚二酸盐、酯、根 | pimelic acid 庚二酸 | pinacol 频哪醇
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pinacol:频哪醇
pimelic acid 庚二酸 | pinacol 频哪醇 | pinane 蒎烷
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Pinacol rearrangement:频哪醇重排
由于碳正离子重排在有机化学中是常见的反应形式,如SN1、E1、烯的亲电加成(加HX等)、Friedel-Crafts烷基化、醇脱水以及频哪醇重排(Pinacol rearrangement)等等均涉及到该问题, 教材内容的模糊给学生学习带来不小的困难.
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pinacolin:特己酮
pinacol 频哪醇 | pinacolin 特己酮 | pinacolin rearrangement 邻二叔醇重排酌
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pinacolin rearrangement:邻二叔醇重排酌
pinacolin 特己酮 | pinacolin rearrangement 邻二叔醇重排酌 | pinacone 频哪醇
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pinacone:频哪醇
pinacolin rearrangement 邻二叔醇重排酌 | pinacone 频哪醇 | pinane 蒎烷
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benzpyrene:苯并芘
benzpinacol || 苯频哪醇 | benzpyrene || 苯并芘 | benzsulfamide || 苯磺酰胺