OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram.

目的抗抑郁药西酞普兰间体5-溴苯酞。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮、氯代甲、氰酸、酰氯、碳酸化物。

Last year in Germany found in different sportswater isopropylation photics tons of ketone (ITX) of microamounts.

去年在德国发现不同的饮料有丙基噻吨酮（ITX）的微量残余。

Composition of 1,8 - cineole (80%), camphene, phellandrene, Terpineol acetate, geraniol, isoamyl aldehyde, citronellal, and pepper ketones.

组1,8-桉叶素（80%以上）、莰烯、水芹烯、萜品醇、乙酸叶醇、戊醛、茅醛和胡椒酮等。

Methods A serials of thiosemicarbazones were synthesized by utilizing aromatic aldehyde,aromatic ketone and thiosemicarbazide in aqueous solution under ultrasound irradiation.

目的利用超声技术和水相体系相结的绿色法优化缩氨基硫脲的条件,扩展超声技术在有机的应用范围。

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明，半高丛越橘以醇、、萜和酮物质为主。

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、羰基、芳酮、醛羰基等含氧基团或者从无到有，或者官能团数量不断增加。

It has been demonstrated that the methods are successfully used for QSRR studies of quinazoline derivatives, alkypyridine, haloid alkane, ketone, alcohol, sulfur alcohol compounds.

此方法各参数物理意义明确，计算简便。

Instead of being fueled by sugar, as it usually is, it begins to metabolize fat-derived molecules called ketone bodies, hence the term ketogenic diet.

由脂肪转变而来的分子—酮体，取代了通常的糖，开始为大脑的新陈代谢功能。因此术语称之为生酮饮食。

The invention is applied to the catalytic reactions such as aromatic ketone unsymmetrical hydrogen transfer reaction and can achieve very high yield and enantiotropic selectivity.

此发明应用于芳酮的不对称氢转移反应等的催化反应，可以得到很高的产率和对映选择性。

The syntheses of two new derivatives of 4 - pyrone, by the reaction of adipyl choloride with enamines deriving from chain ketones and aldehydes, are described.

本文由链状醛酮的烯胺与己二酰氯反应两个新的4-吡喃酮衍生物。

Examining the channels in mouse brains, the researchers infused brain slices with ketone bodies, chemicals produced by the lier when the body is on the ketogenic diet.

在对鼠脑进行的通道研究，研究者们用机体在生酮膳食时肝脏产生的化物――酮体来浸泡脑片。