The poly (p phenylene borane) and poly (m phenylene borane) are synthesized by the modified organometallic route.
用改进的有机金属路线合成了聚对亚苯基硼和聚间亚苯基硼。
Asymmetric hydroboration is a kind of widely applied and valuable reaction, in which borane reduction of prochiral ketones reaction is an important method.
不对称催化硼氢化反应是应用广泛且具有工业价值的反应,其中的硼烷还原前手性酮反应有着举足轻重的作用。
Thus we cooperate to study the function and mechanism of this catalyst in the asymmetric borane reduction reaction, and the following results are obtained.
于是,我们和其合作来深入研究该类配体的不对称催化机制和功能,得到了如下有意义的结果。
The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.
催化剂具有扭曲的椅式构型,与硼烷在N原子处配位形成加合物,反应是放热的。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法,主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Elementary reaction pathways of the reductants such as dimethylamine borane, hypophosphite ion, formaldehyde, and titanium trichloride were quantitatively examined in terms of the heat of reaction.
一些基本的化学反应如:二苯胺硼烷、次磷酸离子、甲醛以及三氯化钛通过计算反应热来定量描述。
Elementary reaction pathways of the reductants such as dimethylamine borane, hypophosphite ion, formaldehyde, and titanium trichloride were quantitatively examined in terms of the heat of reaction.
一些基本的化学反应如:二苯胺硼烷、次磷酸离子、甲醛以及三氯化钛通过计算反应热来定量描述。
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