查询词典 imines

Chaper 4: Aldehydes, ketones and imines were readily reduced by sodium borohydride with the participation of a small amount of water in good to excellent yields using PEG400 as catalyst at the absence of organic solvents.

第四章：在无溶剂条件和PEG400 催化下，在少量水的参与下用硼氢化钠较容易的还原醛、酮、和亚胺，获得较高的收率，具有应用于大规模生产的开发前景。

At the concentration of 5×10〓. To get optical active target compounds,α-aminophosphonates were prepared by the stereoselective addition of phosphates to chiral imines in the presence of catalyst 〓.

不饱和烯酸杂环衍生物的合成与生物活性研究当今农药发展主要表现为开发高效、低毒、易降解、对环境友好的绿色农药。

A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.

通过烯丙基溴化锌对手性亚胺的两次不对称加成，合成了光活性的双烯丙基化的新型手性二胺。

The SmI2-mediated reductions of ketones,imines and α,β-unsaturated esters have been shown to be instantaneous in the presence of H2O,an amine and in THF.

在水、胺以及四氢呋喃存在下二碘化钐参与的还原酮、亚胺以及α，β不饱和酯的反应能够在瞬间完成。

Catalytic enantioselective reduction of imines and enamines represents one of the most straightforward and efficient methods for the preparation of chiral amines, which are not only important building blocks of many natrural products and chiral drugs, but also can serve as useful resolution reagents, chiral ligands and chiral catalysts.

中文摘要手性胺不仅是许多天然产物和手性药物的重要结构单元，而且也是非常有用的拆分试剂、手性配体和手性催化剂。

In order to study the effect of PPh_2 group in the application of chiral ligands 4, 5, 7 and 8 to asymmetric reactions, two ferrocenyl amino alcohols 9a and 9b were Scheme 3 synthesized from chiral amino alcohol derived imines 3 (Scheme 3) and applied in the same asymmetric reactions.

为了探讨二苯氧膦基在配体参与不对称催化反应时对其催化活性和选择性的影响，合成了两个手性二茂铁基氨基醇配体9a和9b(Scheme 3)。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。