频哪醇
- 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。
- 推荐网络例句
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They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.
他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。
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In slot 2 in your bag put wrapping paper, quantity does not matter in this case.
在你的书包里槽2把包装纸、数量无关紧要。
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Store this product in a sealed, lightproof, dry and cool place.
密封，遮光，置阴凉干燥处。