羰基

These clusters show different fluxional behaviour and ligands according to various substituent around the metals of osmium.

根据羰配体取代的不同,该类簇合物中小分子的移动种类及方式也有所不同。

Reactions of Carbonyl Compounds with the Carbonyl Group as an Electrophile with H, C, N and O Nucleophiles.

作为亲电的碳与作为亲核的H,C,N和O的羰化合物应。

This paper andlyses and disscusses the application of group of equal value in syn-thetize to the synthetize of carbonyl chemical compound.

本文介绍并讨论了某些合成用等价团在合成羰化合物中的应用。

They are formed byatmospheric photochemistry reaction, and could product OH radical, alkyl radical, ozone,carboxylic acid peroxyacetyl nitrates by atmospheric photochemistry reaction.

羰化合物既是大气光化学应的产物，过光化学应生成羧、自由、臭氧和过氧乙酰硝酯。

At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时，醛、酮、酯类羰、芳香酮、醛类羰等类含氧团或者从无到有，或者官团数量不断增加。

A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up.

利用诱导效应指数建立了一个含羰有机化合物的标准生成热的简单计算方法。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯硝苯和二甲胺为应底物,经高选择性氧化还原羰化一步合成灭草隆除草剂。

OXEA, one of the world's largest suppliers of oxo-products,.with annual sales worth more than 2 billion USD and manufactory sites in Europe and USA.

OXEA是全球羰化合物的最大供应商之一，年销售额超过20亿美元，在美国和欧洲建有工厂。

Unsaturated transition metal thiocarbonyl complexes are building blocks for stable organometallic complexes and play important role in catalysis and biology.The CS molecule is isovalent with CO.

不饱和过渡金属硫代羰化合物不仅在催化及生物上具有重要作用，而且这些化合物是许多稳定的金属有机化合物的结构单元。

Sugar alcohol (alditol) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).

单糖的羰(CO)还原得到一个醇．继而糖分子的每个碳原子都连有一个(OH)。

And it mainly includes the action of 1,3-diethylene alkylation and acidyl; the action of addition of carbonyl compound; the action of chlorortrimethys:lane and the reaction of diethy lene.

对含硫碳负离子─—1，3-二噻烷的合成方法及其在有机合成上的应用进行比较系统的介绍，主要介绍1，3-二噻烷的烃化和酰化应，与羰化合物的加成应，与氯化三甲硅的应及1，3-二噻烷的还原应。