炔的

与炔的相关的网络例句 [注：此内容来源于网络，仅供参考]

The mechanisms of the ruthenium-catalyzed reaction of organic azide with terminal alkyne have been investigated using density functional theory.

采用密度泛函理论，对在Ru催化剂存在下，有机叠氮化合物和末端炔的反应机理作了深入理论研究。

A novel zwitterion derived from the addition of thiazole carbene to ketene was discovered and captured by an activated alkyne. In this process, we developed a facile and efficient three-component tandem reaction involving thiazole or benzothiazole carbene, disubstituted ketene and activated alkyne.

我们发现了一种新的噻唑卡宾和烯酮形成的两性离子的存在，并用活泼炔成功捕捉，从而发展了一个新的噻唑卡宾或苯并噻唑卡宾、二取代烯酮和活泼炔的三组分串联反应。

Firstly, the reactions of glutaric acid, sebacic acid and propargyl alcohol afforded two dipropargylesters:(CH≡CCH_2OCO)_2(CH_2)_3 (compound 1) and (CH≡CCH_2OCO)_2 (CH_2)_8 (compound 2),respectively.

首先，本文分别选用戊二酸，癸二酸与丙炔醇反应得到了两个新的有机二酸二丙炔醇酯：戊二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_3(化合物1)和癸二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_8(化合物2)。

The results showed polymeric diaryliodonium salts were effective aryl ion transfer reagents. Thirdly, a new type polymer supported hypervalent iodine reagents poly { [4-Hydroxy iodo] styrene} has been developed. It was an effective oxidative reagent, and could be applied to the one pot synthesis of 4-arylthiazoles.

然后，我们以聚苯乙烯羟基对甲苯磺酰氧基碘苯为原料，成功制备了一类新型聚合物高碘试剂—聚苯乙烯负载的炔基碘盐，并研究了其作为炔基转移试剂的有效性：(1)该试剂可对硫、氮、硒等负离子进行亲电炔基化反应，合成炔基亚砜、0，0-二烃基二硫代磷酸炔基酯、1-苯乙炔基苯并噻唑以及炔基硒醚。

On the other hand, reaction of lactol derived from D-mannose and D-glucose with Grinard reagent of propargyl bromide also proceed both withanti stereoselectivity and with high anti-specificity.

链增长及目标分子中的碳碳双键是由一步Wittig反应和一步末端炔的烷基化再部分氢化而获得，双键构型-选择性可达到95％以上。

The steoreselectiviy showed the E selectivity in most of cases and Z selectivity was presented in larger substituents like mesityl and 1-naphthyl.

进一步增大烯上的取代基则可以得到Z选择性的烯炔产物。利用如此的方式，也许还可以用来合成含烯炔的高分子。

In order to discuss the regioselectivity of nitrile oxide 1,3-dipolar cycloaddition to propyne , 1,3-dipolar cycloaddition reaction of substituted nitrile oxide (RCNO, R=F, NO2, OCH3, OH, COOCH3, CHO, CONH2, H, CH3) with propyne was studied using density functional theory at the 6-311++G** level, and the reaction rates were calculated at different temperature from 200 to 400 K.

用密度泛函B3LYP/6-311++G**方法研究了氧化腈(RCNO，R=F，NO2，OCH3，OH，COOCH3，CHO，CONH2，H，CH3)与丙炔的1，3-偶极环加成反应，并且计算了不同温度下的反应速率常数，讨论了氧化腈上不同取代基R的取代效应和温度对反应区域选择性的影响。

Describe how a mixture of 1-hexyne and 2-hexyne can be separated chemically into two pure components.

答：如何利用化学方法将1-己炔和2-己炔的混合物分离开来？

List alkanes,alkenes,and terminal alkynes in order of decreasing acidity of their terminal C-H.

答：由大到小排列烷，烯和端炔的端碳氢键的酸性

The results show that their thermal stability,compared to the similar linear polys,were improved,and in the meantime,they inherited the optical properties of linear polys.

结果表明，在热稳定性得以提高改善的同时，该系列星状寡聚芴炔衍生物良好的保持了线形聚芴炔的光学性能。

与炔的相关的网络解释 [注：此内容来源于网络，仅供参考]

acetylene：炔

乙炔(acetylene)是最简单的炔烃,又称电石气. 分子式HC≡CH,化学式C?H?,无色有芳香气味的易燃气体. 乙炔分子量26.4,气体比重0.91(Kg/m3),热值12800(千卡/m3)在氧气中燃烧速度7.5 ,纯乙炔在空气中燃烧2100度左右,在氧气中燃烧可达3100℃,

Acraldehyde, inhibited, see：丙炔醛,抑制的,见

Acid mixture, spent, nitrating acid, see 混合酸类,废的,硝化酸 8 1826 | Acraldehyde, inhibited, see 丙炔醛,抑制的,见 6.1 1092 | ACRIDINE 吖啶 6.1 2713

alkyne：炔烃

C=C大于C―C单键,但又小于C―C键能的2倍,由此推断,π键的键能小于σ键的键能.π键不如σ键牢固,比较容易断裂,易发生化学反应,从而表现出π键比σ键活泼,烯烃比烷烃易发生加成反应.炔烃(alkyne)的结构特征是C≡C中的碳原子均为sp杂化,

propellant actuated exactor：激励发射药的激化装置

propargylic acid 炔丙酸,丙炔酸 | propellant actuated exactor 激励发射药的激化装置 | propellant additive 推进剂添加物

acetylenic：炔的

acetylenelamp 电石灯 | acetylenic 炔的 | acetylide 乙炔化合物

acetylenic：乙炔的, 炔属的 与乙炔相象的

acetylenic polyhalide | 炔属多卤化物 | acetylenic | 乙炔的, 炔属的 与乙炔相象的 | acetylenyl | 乙炔基

allylene oxide：丙炔化氧

allylene dichloride | 二氯化丙炔 | allylene oxide | 丙炔化氧 | allylic condiment | 有葱蒜味的调料

Hexyne：己炔

Hexahedron 六面体 | Hexyne 己炔 | Homogeneous 均匀的,均相的

propiolic alcohol：丙炔醇

丙炔醇(propiolic alcohol)在工业上主要用于有机合成,腐蚀阻止剂,安定剂.我国目前尚未制定丙炔醇车间空气最高容许浓度(美国OSHA PEL-TWA为2 mg/m3,前苏联MAC为1 mg/m3),测定方法也未见报道.为此,根据<<车间空气中有毒物质监测研究规范>>[1](下称"规范")的要求,

propyne：丙炔

丙二烯(Allene)和丙炔(propyne),其碳与碳间就具有不同的键数,丙二烯有两个双键而丙炔有一个参键. 同分异构物具有不同的药学性质,举例来说黄嘌呤(xanthines)双环上的氢被两个甲基取代,即成为巧克力中的可可精(Theobromine),