羰基的

Introduction of production process of phenylacetic acid by oxo synthesis

5万吨/年，羰基合成法产能已占国内总产能的60%以上。

The conventional pinacol coupling of carbonyl compounds was carried out by using metals or metal compounds as mediators under condition of anhydrous organic solvents.

传统的呐偶合反应必须在无水有机溶剂条件下，由金属或金属化合物促进羰基化合物进行呐偶合反应。

In Chapter Ⅱ, the pinacol-coupling reactions of carbonyl compounds promoted by dysprosium were described. The reaction of ketones and aldehydes promoted by Dy/n-BuBr were proceeded in anhydrous THF which gave pinacol in high yield.

第二章研究了金属镝促进下羰基化合物的还原偶联反应，醛、酮在无水THF中与Dy/n-BuBr反应，可高产率地得到频哪醇。

The pyridinium salts was transformed by the base to 1-hydroxy or 3-hydroxy-quinolizinylides, which undergo 1,3-dipolar cycloadditionreaction with alkenes,and then aromatizated to cycl[3,3,2]azinone in thepresence of oxidant.

实验证明，这是一个连续进行的多步反应：2-羰基吡啶鎓盐在反应中先生成1-羟基或3-羟基喹嗪叶立德，然后与烯烃起1，3—偶极加成反应，最后在氧化剂作用下脱氢芳构化而生成Cycl[3，3，2]azinone。

Some telluronium methylies can reactreadily with methyl cinnanmate to afford α,β-unsaturated ketone but not the cyelopropanederivatives.

发现了一些甲基碲叶立德很容易与肉桂酸甲酯的酯羰基发生1，2-加成反应得到α，β-不饱和酮。

The reaction of isomerized butadieneiron complex (I; R = Ph, p-tolyl) with triphenylphosphine and tri-Ph phosphite gave products II (same R; R1 = Ph, OPh), at -60 to -30? When I was reacted with triphenylphosphine in hexane at 60 to 70?

丁二烯二羰基铁配合物的异构化产物，C4H62FeC(OC2H5)Ar(1，Ar=苯基， 2， Ar=对甲苯基)，在己烷溶液中于-60到-40℃与三苯膦或亚磷酸三苯酯反应生产产物3-6。

For this reason, an excess of the carbonyl compounds was added to an acidified reagent solution.

为此，过剩增加了羰基化合物的试剂溶液酸化。

The optimized conditions were: glucose 29.7 g/L,yeast powder 3 g/L,ammonium sulphate

在优化的培养基条件下，羰基还原酶活力最高可达

We developed a new method for the synthesis of cycl[3,2,2]azines.Using oxidant promoted 1,3-dipolar cycloaddition reaction, 3,5-dicarbonyl-indolizines were prepared. By treating with low-valenttitanium, cycl[3,2,2]azines were obtained in high yields.

我们通过l，3—偶极加成反应合成了多种3，5-二羰基中氮茚，然后在低价钛试剂作用下还原偶联，以较高收率得到各种取代Cycl[3，2，2]azine，开发了一种全新的Cycl[3，2，2]azine合成法。

The influence of ligand and cooperative metal on carbonyl insertion in heterobimetallic Rh-M species was investigated at the B3LYP level of density functional theory.

采用密度泛函方法研究了配体和协同金属对杂双核Rh-M金属配合物中羰基插入反应的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。