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Part Ⅲ. Reactions of fluoroalkanesulfonyl azides with enoxysilanes.

第三部分,氟烷基磺酰叠氮与一些烯基硅醚的反应。

Reactions of fluoroalkanesulfonyl azides with enamines.

第二部分,氟烷基磺酰叠氮与烯胺的反应。

Seventeen resins were selected to compare their performances in adsorbing and desorbing monosubstituent in the mixture. Experimental results showed that HZ-841 resin possessed higher selectivity and desorption capacity.

比较了17种树脂对β-环糊精单甲苯磺酰化产物的吸附特性,确定了大孔弱极性吸附树脂HZ-841对单取代物具有较高的吸附选择性和良好的脱附性能。

The exhaustion of 3-5a-6 on PLA fabric reaches 98.6%, its fastnesses to washing, sublimation and rubbing reach 4-5 grade, 4 grade and 3 grade respectively.

磺酰叔胺型染料更适合于聚乳酸纤维的染色,3-5a-6在聚乳酸织物上的竭染率达到98.6%,耐水洗牢度为4~5级,耐升华牢度在4级以上,耐摩擦牢度在3级以上。

During the research, one of the best stereoselective results was achieved in Streckerreactions on the aliphatic imines and the possible mechanism was proposed.

在研究过程中,我们发现在CsF促进下TMSCN能够对有α-氢的亚磺酰基亚胺进行高非对映选择性的加成反应并取得迄今为止脂肪族亚胺的Strecker反应的最好结果。

In order to surmount the problem of slow reaction rate of the Baylis-Hillman reaction, we employed N-tosylated imines as the electronphile.

因为醛和环状烯酮的反应很难进行,我们便用活性更高的亲电试剂磺酰亚胺代替醛进行Baylis-Hillman反应,取得了很好的结果,反应速度得到了很大的提高。

Isolated PBMC were separated from 5 mL venous blood in asepsis condition. NF-κB stimulator, NF-κB inhabitor and astragalus were added into the different tubes of PBMC, respectively.

抽取所有研究对象5 mL静脉血并提取PBMC,分别加入NF-κB刺激剂IL-1β、NF-κB抑制剂对甲苯磺酰-L-苯丙氨酸氯甲基酮及黄芪注射液。

According to the results of the examination, the stronger the electron-withdrawing protective group of imines, the better the cis-selectivity of the reaction, 68% yield, trans:cis is 99:1 diastereoselectivity could be leaded by Ts-imines (4-methyl-N-methylene-benzenesulfonaides) with a substituent [2,4-(CH3O)2C6H3], Substrate scope investigation revealed that a wide variety of ketenes and imines could react smoothly to afford corresponding,β-lactams.

实验结果表明,亚胺的保护基团吸电子能力越强,越有利于顺式产物的生成。对甲苯磺酰基保护的取代基为2,4-二甲氧苯基的亚胺参与的该反应可得到68%的产率,反式:顺式=99:1的非对映选择性。底物拓展过程中发现Staudinger反应适用于多种不同的亚胺与烯酮。

The results ofthe addition of lithium phosphine showed the operation of a double stereo-differentiation effect and the chirality of the sulfinyl group dominated the asymmetricinduction.

在亚磷酸锂盐的加成反应中,这两个手性基团起双重诱导作用,其中亚磺酰基的手性中心起主导作用。

These include the Asiatic Lion , the Bengal Tiger , and the Indian white-rumped vulture , which suffered a near-extinction from ingesting the carrion of diclofenac -treated cattle.

这些物种包括由于摄取二氯苯二磺酰胺 diclofenac 处理过的牛肉而濒临灭绝的印度白尾秃鹰,亚洲狮和孟加拉虎。

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