磺酰

Both the protection and deprotective group methods for the amino-group on side chain of a new N-pivot lariat crown ether were studied comparatively.

研究了一种新的氮支套素冠醚侧链上氨基的保护和脱保护基方法，结果表明，由过量乙二胺与对甲苯磺酰氯反应得到的单保护乙二胺（N－对甲苯磺酰基乙二胺4a），经N－烷基化环化反应，然后在氢化铝锂存在下脱除保护基，即可制得最佳产率的N－（2－氨基已基）单氮杂－12－冠－4（1）。

Also, 3D-QSAR studies were carried out for three types of pesticide lead compounds, which have fungicidal activities against rice sheath blight, wheat leaf rust and Ascochyta as Paraginsa, respectively.

在系统总结磺酰脲3D-QSAR的基础上，设计了预期活性较高的结构新颖的磺酰脲；并结合酵母AHAS活性位点结构，通过分子对接进行有机化合物三维结构数据库筛选，发现了新的结构信息。

A new method for synthesizing rosin allyl alcohol ester was studied. p-Toluenesulfonic acid allyl alcohol ester was first synthesized by O-acylation of allyl alcohol with p-toluene sulfonyl chloride, using NaOH as catalyst. Then rosin allyl alcohol ester was synthesized from sodium resinate and p-toluenesulfonic acid allyl alcohol ester.

探索了一种两步合成松香烯丙醇酯的新方法，即先以烯丙醇和时甲苯磺酰氯为原料，以NaOH为催化剂，通过O-酰化反应合成中间体对甲笨磺酸烯丙醇酯，再与松香钠皂发生亲核取代反应合成目标产物松香烯丙醇酯。

We introduced the sulfonyl group to P-amino alcohols derived from amino acids to prepare β-sulfonamide alcohols.

由于磺酰基的强吸电子作用，磺酰氨基不是作为给电子基团出现，而是和金属钛共同作为Lewis酸对反应起作用的。

In a word, sulfonamide dyes exhibit better color fastness properties on three sorts of hydrophobic fabrics, especially for sublimation fastness, in comparison with the dyes without sulfonamide group in their structures.

与结构中不含磺酰胺基的染料相比，磺酰胺染料在三种疏水性织物上具有更好的色牢度，特别是耐升华牢度明显提高。

Synthesizc 2-methyl-5-acetamino benzene sulfochloride using p-toluidine primer reactant by aceylation and chlorosulfonation.

以对甲基苯胺为起始原料，通过乙酰化和氯磺化反应合成2-甲基－5-乙酰氨基苯磺酰氯。

Huapai products:pchlorophenol,ochlorophenol,2,4dichlorophenol,2,6dichlorophenol,2,4,5trichlorophenol,2,4,6trichlorophenol,4chloro2benzyl phenol,pbromophenol,2,4,6tribromophenol,1chloro4(1,1dimethyl ethyl) benzene ether,3bromoanisole,mbromofluorobenzene,2tetra hydrofuran,αbromo4chloro acetophenone,αbromo4methoxy acetophenone,4chloro benzophenone,4chloro2methylaniline,n(2hydroxyethyl)ethane diamine; n(2aminoethyl)ethanolamine,2,3dibromopropionyl chloride,4bromo benzene sulphonyl chloride,terephthaloyl chloride,isophthaloyl chloride,nchlorosuccinimide,nbromosuccinimide,pchloranil;tetrachloro1,4benzoquinone,5chloroisatin.

华派公司产品：对氯苯酚，邻氯苯酚，2，4二氯苯酚，2，6二氯苯酚，2，4，5三氯苯酚，2，4，6三氯苯酚，4氯2苄基苯酚，对溴苯酚，2，4，6三溴苯酚，对氯苯基叔丁基醚，间溴苯甲醚，间溴氟苯，α溴甲基四氢呋喃，α溴代4氯苯乙酮，α溴4甲氧基苯乙酮，4氯二苯甲酮，4氯2甲基苯胺，N(2羟乙基)乙二胺， 2，3二溴丙酰氯，对溴苯磺酰氯，对苯二甲酰氯，间苯二甲酰氯，N氯代丁二酰亚胺，N溴代丁二酰亚胺，四氯苯醌，5氯靛红。

The resultedα-methylamine was protected by acetyl chloride, and then was chlorosulfonated bychlorosulforic acid at -5℃-0℃followed by treatment with aqueous ammonia givingcompound A in 52.3% yield.

甲基胺再用乙酰基进行保护后，以HSO3Cl为试剂进行氯磺化反应，再用浓氨水进行反应，制得了乙酰基保护的苯磺酰胺类化合物。

On the basis of the complex structures of AHAS and sulfonylureas inhibitors, systematic molecule docking study of five sulfonylureas inhibitors to AHAS were performed with autodock 3.0 package.

基于酵母乙酰羟酸合成酶与磺酰脲类抑制剂复合物的晶体结构，用分子对接方法对AHAS与5个磺酰脲类抑制剂相互作用的方式进行了系统的分子对接研究。

In the third step, when the ratio of racemic ester to benzenesulfonyl chloride to triethylamine to catalyst 4-DMAP is 1:1:1:0.1 in 10℃, the yield is 82.9% and high purity is obtained by crystallisation.

在第三步磺酰化反应中，得到合成消旋2-苯磺酸基-2(2-氯苯基)乙酸甲酯的较佳反应条件为邻氯扁桃酸甲酯：苯磺酰氯：三乙胺=1：1：1，催化剂4-DMAP用量为摩尔反应物的10%，反应温度为10℃，收率为82.9%，同时用结晶方法获得高纯度的产物。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。