OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram.
目的合成抗抑郁药西酞普兰中间体5-溴苯酞。
| 单词 | ketone |
| 例句 |
英语例句库
OBJECTIVE To synthesis 5-bromide benzofuran ketone,the key intermediate of citaopram. 目的合成抗抑郁药西酞普兰中间体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,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。 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中有异丙基噻吨酮（ITX）的微量残余。 Composition of 1,8 - cineole (80%), camphene, phellandrene, Terpineol acetate, geraniol, isoamyl aldehyde, citronellal, and pepper ketones. 组成1,8-桉叶素（80%以上）、莰烯、水芹烯、萜品醇、乙酸香叶醇、异戊醛、香茅醛和胡椒酮等。 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合的绿色合成法优化缩氨基硫脲的合成条件,扩展超声技术在有机合成中的应用范围。 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，半高丛越橘以醇类、酯类、萜类和酮类物质为主。 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、酯类羰基、芳香酮、醛类羰基等类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. 此方法中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. 此发明应用于芳香酮的不对称氢转移反应等的催化反应中，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合成两个新的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中，研究者们用机体在生酮膳食时肝脏产生的化合物――酮体来浸泡脑片。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
原声例句
VOA Standard 2015年1月合集 And the sweet smell is this particular ketone that is given out; it's called acetone. 甜香味尤其是这种酮所散发出，它的学名是丙酮。 连线杂志 We use nitrogen to clean the lacquer, and we use methyl ethyl ketone to keep the stylus clean. 我们用氮气来清洁漆，我们用甲乙酮来保持唱针的清洁。 WIL生活启示录 Not only that, as he shows here, the Alzheimer's brain actually uptakes ketones better than controls. 不仅如此，正如他在这里所展示的与对照组相比，老年痴呆症患者大脑摄取酮体的数量要更多。 Scishow 精选系列 And when your body breaks down fats without much glucose around, it produces compounds called ketone bodies. 当你的身体分解没有太多葡萄糖的脂肪时，它会产生一种叫做酮体的化合物。 WIL生活启示录 However, the Alzheimer's brain has no problem using ketones for energy. 然而，老年痴呆症患者大脑将酮体作为其能量来源却没有任何问题。 Chubbyemu胖鸸鹋 But lactation can also increase the production of ketones. 但是哺乳也会加剧酮类的产生。 Chubbyemu胖鸸鹋 Over these 3 days, they will monitor her blood sugar and ketones. 在这三天内，他们会测量她血糖和酮水平。 健身知识科普 Some research suggest that our bodies can adapt to other energy sources like ketone bodies and be less reliant on carbs. 一些研究表明，我们的身体可以适应其他能量来源，如酮体，减少对碳水化合物的依赖。 WIL生活启示录 Babies may be living on ketones even before birth. 甚至在出生前，婴儿可能就靠酮过活。 化学 Crash Course Esters are just like a ketone mixed with an ether. 酯就像酮与醚的混合。 科学60秒-科学美国人 2021年11月合集 By functional group I mean an alcohol group or ketone group or aldehyde group or acid group. 官能团是指醇基或酮基或醛基或酸基。 化学 Crash Course To get that, we knock the 'A' off and harden that 'C' into a 'K' and get a 'Ketone'. 为此，我们将“A”敲掉并将“C”硬化为“K”并得到“酮”。 WIL生活启示录 Very simply put, ketones are a source of energy naturally produced in the body from fat when dietary carbohydrate is restricted enough. 简而言之，当人体碳水化合物摄入受限时酮体——人体内脂肪的代谢产物——便自然而然地成了大脑能量的新来源。 Asap SCIENCE 精选 This works for the time being, but ultimately only 75% of the brain's energy requirements can come from ketones. It still needs glucose! 这暂时会起到作用，但最终酮类只能够满足大脑所需能量的75%，它仍然需要葡萄糖！ 化学 Crash Course So yeah, when we have a carbonyl in the middle of a carbon chain, that is a ketone functional group. 所以是的，当我们在碳链中间有一个羰基时， 那就是酮官能团。 VOA Standard 2015年1月合集 Oxford University Emeritus Professor of Chemistry Gus Hancock says it is due to the build-up of chemicals called ketones in the patient's blood. 牛津大学名誉教授化学加斯·汉考克表示这是由于被称为酮的化学物质在病人血液中累积所致。 WIL生活启示录 So, the more caffeine, the more ketones. 所以，咖啡因摄入越多，产生的酮就越多。 WIL生活启示录 And, they enhance the production of ketones. 提高酮的产生。 每日英语听力 | 双语精读 So during prolonged fasting or any kind of food deprivation situations, our body produces ketone bodies and these have been proposed to suppress appetite. 在长时间禁食或任何食物匮乏的情况下，我们的身体会产生酮体，这被认为是抑制食欲的。 WIL生活启示录 And it has been shown that ketones can provide up to 60% of the energy requirements for an adult brain. 研究表明，酮体可以提供人体大脑所需能量的 60%。 |
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