1) pinacolone
片呐酮
1.
Oxidation reaction of pinacolone is a key step of the synthesis of tert-leucine.
片呐酮氧化是制备叔亮氨酸的关键步骤,该文研究了片呐酮经过高锰酸钾氧化生成α 酮酸的反应。
2.
The synthetic conditions of 4,4 dimethyl 3 oxopentanenitrile prepared sequentially from acetone through pinacol,pinacolone and α chloropinacolone were investigated.
对以丙酮为原料、先依次制得片呐醇、片呐酮、α 氯代片呐酮、最后由α 氯代片呐酮与NaCN反应制得 4,4 二甲基 3 氧 戊腈最后两步的反应条件进行了研究。
2) pinacolone carbanion
片呐酮碳负离子
1.
The S RN1 reaction of α-bromonaphthalene with pinacolone carbanion in DMSO induced by Co(Ⅱ)complex,leading to the formation of 1-(α-naphthyl)pinacolone was investigated.
第一次用二价钴的配合物作为单电子转移的自由基链式亲核取代反应 ( SRN1)的引发剂 ,对α-溴代萘与片呐酮碳负离子在 DMSO中作用得到 1- (α-萘基 )片呐酮的反应进行了研究 ,对反应是经由 SRN1机理进行了确证 ,对反应的条件与产率的关系进行了比较研究 ,为芳香卤代物的亲核取代提出了一种具有潜在应用前景的合成方
3) pinacol
片呐醇
1.
Studies on the Knoevenagel Reaction and Pinacol Coupling Reaction Under Ultrasonic Irradiation;
超声波辐射下，Knoevenagel反应和片呐醇合成反应的研究
2.
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
由低价钛络合物诱发的片呐醇偶联反应,具有良好的化学选择性和立体选择性,近几年来又引起有机化学家们的极大兴趣与重视。
3.
The synthetic conditions of 4,4 dimethyl 3 oxopentanenitrile prepared sequentially from acetone through pinacol,pinacolone and α chloropinacolone were investigated.
对以丙酮为原料、先依次制得片呐醇、片呐酮、α 氯代片呐酮、最后由α 氯代片呐酮与NaCN反应制得 4,4 二甲基 3 氧 戊腈最后两步的反应条件进行了研究。
4) semipinacone
半片呐醇
1.
Study on rearrangement of semipinacone and cycloheptane cation with ab initio method;
半片呐醇和环庚烷正离子重排反应的从头算研究
2.
Mechanism of rearrangement of semipinacone and cycloheptane cation were studied with HF method and STO-3G~* basis set.
用哈特里-福克(HF)方法、STO-3G*基组,分别对半片呐醇和环庚烷正离子的重排机理进行了从头算研究,计算了半片呐醇和环庚烷正离子重排过程中的各个状态的几何构型、零点能,同时对反应路径进行了计算。
5) pinacol coupling
片呐醇偶联
1.
Progress in pinacol coupling of aldehydes and ketones using low valent titanium is reviewed in recent years.
由低价钛络合物诱发的片呐醇偶联反应,具有良好的化学选择性和立体选择性,近几年来又引起有机化学家们的极大兴趣与重视。
2.
The pinacol coupling of carbonyl compounds affording pinacols is an important method for the formation of 1, 2-diols and one of the most powerful methods for constructing carbon-carbon bond.
醛酮的片呐醇偶联是合成片呐醇的经典而有效的方法之一，也是形成C-C键的有效途径，一般通过醛酮与金属试剂或金属络合物作用来实现。
3.
And we have researched the pinacol coupling reactions in sunlight and ultrasound irradiation.
论文综述了片呐醇偶联反应的进展，在光照或超声辐射下进行了片呐醇的合成，全文共分为四章。
6) α-triazolylpinacolone
α-三唑基频呐酮
1.
The croude α-triazolylpinacolone was reacted with concentrated nitric acid to form nitrate of α-triazolylpinacolone which was decomposed with sodium hydroxide in organic solvent and concentrated to give the α-triazolylpinacolone with the purity of 99.
α－三唑基频呐酮粗品与浓硝酸作用生成α－三唑基频呐酮的硝酸盐，该盐在有机溶剂中用氢氧化钠分解，分离有机相，浓缩，得到纯度为９９１２％的α－三唑基频呐酮，回收率为９６７５％。
补充资料：呐呐
1.形容说话迟钝。 2.犹唯唯。 3.形容说话声音低沉或含混不清。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条