两个中间产物可以作为双羰基还原酶的底物被选择性还原，但具有不同的反应速率。
They could be used as the substrates for the reduction catalyzed by diketoreductase with different reaction velocities.
结果：两个单羟基中间产物产生在双羰基还原及其逆反应过程中，并被分离纯化和鉴定。
Results: Two mono-hydroxy intermediates were produced during the diketone reduction process and its reverse reaction, which were separated and structurally confirmed.
概述了低价钛诱导的羰基还原偶合反应作为环化关键步骤在西松烷型二萜天然产物全合成中的应用。
The application of carbonyl reductive coupling reaction induced by low valent titanium as the crucial macrocyclization in the total syntheses of cembrane- type diterpenoids are reviewed.
以含硫化合物还原红曲色素，红斑素和红曲红素分子中的环羰基还原成羟基，得到水溶性红白曲黄色素。
The water soluble Monascus yellow pigment was prepared by reducing the cyclocarbonyl of monascorubrin and rubropunctatin to hydroxyl with sulphuric compounds.
这些就是所谓的还原性糖，意味着它们有——“一条有趣的尾巴”Corriher女士这样形容——羰基基团，可以参与Maillard反应。
These are so-called reducing sugars, which means they have a structure - "a funny tail," Ms. Corriher called it - known as a carbonyl group that takes part in the Maillard reaction.
羰基在一般条件下不易被化学还原剂还原。
The chemical reductants fail to reduce carbonyl group under ambient conditions.
结合非水相生物催化的优势利用微生物细胞催化不对称还原羰基化合物可以有效地制备这些手性醇。
Combining the advantages of biocatalysis in nonaqueous media, asymmetric reduction of corresponding carbonyl compounds using microbial cells is an efficient method to produce these chiral alcohols.
此外，它除了还原双键以外可以用来还原各种不同的有机化合物，如：硝基、羰基、氨基、芳香族及杂环化合物、羟基、羧基。
Moreover, catalytic hydrogenation can be used to the reduction of a variety of organic compounds, such as nitro, carbonyl, amino, aromatic and heteroaromatic compound, hydroxy group and carboxy group.
生物催化的还原反应能使分子内的羰基或碳-碳双键立体选择性的还原，将潜手性底物转化为手性产物，在不对称合成中有着重要的作用。
Biocatalytic reduction of the carbonyl groups or the carbon-carbon double bonds of the compounds has been utilized as a method for transforming the prochiral substrate into chiral product.
手性醇是药物合成的重要手性砌块，利用生物催化剂不对称还原羰基化合物是手性醇制备的重要方法。
Chiral alcohols are important building blocks for drug synthesis. The asymmetric reduction of carbonyl compounds with biocatalysts is an important method for producing chiral alcohols.
本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。
A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.
羰基化合物还原偶合是形成碳-碳键的一种重要方法。
The reductive coupling of carbonyl compounds constitutes an important method for the formation of carbon-carbon bonds.
羰基化合物还原偶合是形成碳-碳键的一种重要方法。
The reductive coupling of carbonyl compounds constitutes an important method for the formation of carbon-carbon bonds.
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