Synthetic Methods for Organofluorine Compounds
- A synthetic method for organofluorine compounds involves direct fluorination replacing an atom or group with a fluorine atom or using a fluorinated component as a building block.
- Difluoroiodoarenes can be prepared through fluorination of iodoarenes with powerful fluorinating reagents like F24 and XeF25 or through the reaction of iodosylarenes with HF.
- These methods provide convenient and simple ways to synthesize organofluorine compounds.
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英語の訳お願いします。
The synthetic method for organofluorine compounds includes direct fluorination replacing an atom or group by a fluorine atom and an indirect procedure using a fluorinated component as a building block. ↓途中まで自力でした訳です。 有機フッ素化合物合成方法はフッ素原子と構成要素としてフッ素化された成分を用いた間接的手順による Various difluoroiodoarenes are prepared by fluorination of iodoarenes with powerful fluorinating reagents such as F24 and XeF25conveniently by direct replacement of dichloroiodoarenes with HF in the presence of HgO6 and more simply by reaction of iodosylarenes with HF. ↓自力の訳です。日本語もおかしいです； ArIF2はF24やXeF25のような強力なフッ素化試薬によるヨードアレンのフッ素化によってできている。HgO6の存在下でHFと供にジクロヨードアレンの直接な交替による便利な。そして、HFと供にヨードシルアレンの反応によってより簡単に。 有機化学も英語の苦手なので、よろしくお願いします。
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やはり化学の知識ほぼゼロでは無理でしたけど、せっかく訳してみたので、成果（？）だけ投稿させて下さい （とはいえ、質問者さまの訳がものすごく参考になりました）。 有機フッ素化合物の合成法には、フッ素原子で原子または基（原子団）を置き換える直接フッ化法と、構成単位としてフッ素化された成分（要素）を用いる方法とがある。 さまざまなジフルオロヨードアレーンは、F24 のような強力なフッ素化試薬によって準備され、XeF25は都合のよいことに、ジクロヨードアレンをHgO6の存在を伴うHFと置き換えることで、またより単純にはヨードシルアレンとHFとの反応のよって準備される。
関連するQ&A
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おはようございます。 何度もすみません。 この解釈もわからないんです。 According to a 1997 study by the Conference Board and the Points of Light Foundation, 74％ of businesses focus their volunteer programs on education as compared with 47％ on health, 41％on the environment, and 41％ on the homeless. 74％ of businesses が主語 focus は動詞ですか？？ どうすると後の文の解釈がわからないんです。 comparedが動詞ですか？？ そうするとその前のas は何なんでしょうか。 訳ができません。 よろしくお願いします。
- 締切済み
- 英語
- a factor of 5ってどういう意味なんでしょうか？
先ほど論文を読んでいますと Experiment on the synthesis of 2c was scaled with an increase in the amounts of the reagents by a factor of 5. と実験項に書いていました。このby a factor of 5ってどう訳すのでしょうか？どなたか分かる方がいらっしゃれば教えていただけないでしょうか？
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英語の訳をお願いします。 １．The specific enthalpies of saturated liquid and vapor of a substance at 285.15K are 50.38kj/kg and 2523.6kj/kg,respectively.(1)What is the specific enthalpy of a liquid-vapor mixure with a dryness of 0.80?(2)What is the entropic difference between the saturated vapor and the liquid? ２．A Rankine cycle operates on steam at 20Mpa and at 600℃,exhausting at 3.0kPa.Assuming an isentropic expansion of the turbine,find the dryness at the turbine outlet and the work produced by the turbine. なんとなくでしか訳せませんでした。 よろしくお願いします。
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After the fall of the Roman Empire, there was great confusion again.Each region developed its own system of weights and measures. The foot,which was one of the earliest units, is believed to have had as many as 280variations in Europe as late as the eighteenh century.It was not until toward the end of the eighteenh century that a really scientific system of weights and measures was set up.A group of French scientists chose as their unit of length the ten-millionth part of an imaginary line running through Paris from the Equator to the North Pole. After careful measurements, they worked out the length of this unit, which was given the name 'meter' derived from the Greek metron, meaning 'a measure.' The use of the metric system by other nations increased, and today the metric system is quite generally accepted worldwide as the best system of weights and measures that the world has ever had.
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英語の訳がうまくいきません・・・・。 以下の英文はどう訳しますか？？ 特に中間が複雑です お願いします！！ Hill farming contained most of what remained of the sectoral fallow system. All crops were tuberous. In other parts of the Andes an anciently domesticated grain plant, canihua (Chenopodium pallidicaule) was also grown in the highest land, as high as 4500 m in southern Peru and Bolivia (Sauel 1933:33-35). The potato was overwhelmingly dominant, with ulluco, oca (oxalis tuberose), and mashua (Tropaelum tuberosum) in lesser quantity. In the Paucartambo valley alone there were 79 potato landraces and 5 of ulluco. Some landraces were limited to the upper zone. High altitude potato landraces are frost resistant and bitter and are processed by freezing and drying. Other landraces have a much wider altitudinal range. Hill farming land was normal prepared by hoeing the soil into high beds, breaking the sod with the Andean foot plow, the chakitaklla, and pulverizing the clods by hand. Fallowing was normal practice, enduring up to 7 years. Small livestock grazed during the fallow period, the manure being added by folding the livestock on intended field sites at night. Whereas the sectoral fallow formerly separated crops from livestock, and farmers still grouped their field together to facilitate protection in the 1980s; some fenced their field, an added labor.
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Grignard reagent A Grignard reagent is prepared by the reaction of magnesium metal with an organohalogen compound in an ether solvent. An ether solvent is necessary for the formation of the Grignard reagent. It is thought that the unshared electrons of the oxygen coordinate with the Mg to stabilize the organometallic compound. Also, the alkyl portion of the ether provides a hydrocarbon-like solvent for the organic part of the Grignard reagent. Both these factors result in Grignard reagents being soluble in ethers. Diethyl ether is the usual solvent because it is inexpensive. Other ethers, such as tetrahydrofuran, can also be used. Grignard reagents are extremely strong bases that react with acids, alcohols, amines, water, and even such weak acids as alkynes with a terminal triple bond (RC≡CH, pKa 26). In these reactions, the R of RMgX removes a proton from the acidic compound and becomes an alkane (RH). Because acid-base reactions are very rapid compared to other organic reactions, a compound with a removable H+ quickly destroys a Grignard reagent. Therefore in carrying out a Grignard reaction, we must use scrupulously dry glassware, solvents, and reagents. In addition, the reagents must not contain a group with a reactive hydrogen unless an alkane is the desired product. In the reaction with a carbonyl compound, the organic portion of a Grignard reagent acts as a strong nucleophile and attacks the partially positive carbonyl carbon to yield a magnesium alkoxide. Subsequent treatment of the alkoxide with aqueous acid yields the alcohol itself.
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The 500,000 Russian casualties during the offensive, culminating in the battle of Kowel "finished Russia as an active participant in the war" with its consumption of men and resources. The battle also had a far reaching impact on Austria, as it illustrated the country's reliance on Germany as well as deprived the nation of large numbers of fighting men. Romania, relying on a Russian success during the conflict, was overrun by Austria-Hungary, Germany and Bulgaria shortly after Russia's defeat. With the armed forces of both Germany and Austria-Hungary losing confidence in their monarchs as a result of the engagement, and with its effective removal of Russia from the war, the battle of Kowel remains one of the most influential of the war.
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"Ward's Force" was formed with corps cavalry, cyclists and two batteries of field artillery, two sections of engineers, a battalion of infantry from the 48th Division on 22 March as a precaution after cavalry was forced out of Poeuilly and neighbouring villages by a counter-attack and the corps cavalry relieved by the 5th Cavalry Division. The villages were reoccupied next day. The German retirement from the R. III Stellung had begun on 19 March when Nurlu and Bertincourt were occupied by the British after slight pressure. British infantry and cavalry were finding greater German resistance. After a pause until 26 March, Ward's Force captured Roisel with an infantry company, two cavalry squadrons and two armoured cars; Canadian cavalry took Equancourt. The cavalry advanced again on 27 March and took Villers Faucon, Saulcourt and Guyencourt "with great dash". An attempt at a swifter pursuit by French cavalry and cyclists on 22 March failed, when they were forced back over the Crozat canal by a German counter-attack, with many casualties.
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長文を勉強しているのですが、There's room for secrecy in a sole proprietorship whether it's a matter of formula or process or a list of clients and as with any secrets, as you well know, the fewer who know, the less the risk of someone divulging the information.この文章の訳をお願いいたします。andで前後の文を分けるのだとは思うのですが、意味を拾っていけばますますわからなくなってしまいました。as withとは、この場合、as is often the case withの略だと考えても良いのでしょうか？教えていただきたいと思います。
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ありがとうございます；化学の知識零に近いということですが、ここまで訳していただいて、本当に助かりました★どちらともわかりやすかったです^^