胺磺酰基

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）。

It involved the converstion of vanillin into hydrazine (4) and the metalic reduction of hydrazine 4 into the intermediate vanillic amine.

以价廉易得的香草醛为起始原料，经过3步反应，高产率合成了酚羟基由对甲苯磺酰基保护的香草胺类化合物5。

A series of 5-bromopyrimidinyl-containing new sulfonylureas have been synthesized through bromination of 2-amino-4-methyl pyrimidine, followed by further modification and then coupled with sulfonyl isocyanate.

通过2-氨基-4-甲基嘧啶溴代反应以及进一步的衍生、磺酰基异氰酸酯的胺解，合成了一系列含有5-溴嘧啶基的新磺酰脲。

They are, 4 21-amidohydrocortisone Ba1～Ba4, 10 21-amidoprednisolone Bb1～Bb10, 4 21-amidomethylprednisolone Bc1～Bc4, 4 21-amidodexamethasone Bd1～Bd4, 1 21-amidobetamethasone Be1, 1 21-amidoRS Bf1, 1 21-amidocortisone Bg1, 1 21-amidoprednisone Bh1. The amido groups were acetamido, nicotinamido, hemesuccinamido, benzoylamido, methanesufonamido, or arylsufonylamido.

包括：4个21-酰胺基氢化可的松（Ba1～Ba4），10个21-酰胺基氢化泼尼松（Bb1～Bb10），4个21-酰胺基甲泼尼龙（Bc1～Bc4），4个21-酰胺基地塞米松（Bd1～Bd4），1个21-酰胺基倍它美松（Be1），1个21-酰胺基RS（Bf1），1个21-酰胺基可的松（Bg1），1个21-酰胺基强的松（Bh1）。21-酰胺基分别为乙酰胺基、烟酰胺基、单琥珀酰胺基、苯甲酰胺基、甲烷磺酰胺基或取代苯磺酰胺基等。

In the second part,we alternated amines to sulfonamides under the same reaction system and found that N-sulfonyl aldimine was formed.

在同样的条件下，使用磺酰胺替代普通胺，反应会生成N-磺酰基亚胺。

The present invention relates to sulphonyloxazolamines of general formula, wherein R, R represent independently from each other H, A,-(CH2)n-Ar or alkenyl with 2-6 C atoms, R and R together also represent a mononuclear saturated heterocycle with 1-2 N, O and/or S atoms, Z is H, A, CF3, NO2, Hal, OH, OA, NH2, NHA or NA2, A represents alkyl with 1-6 C atoms, Ar is Z-monosubstituted or Z-disubstituted phenyl, halogen is F, Cl, Br or I, n is 1 or 2 or the physiologically acceptable salts or solvates thereof.

本发明涉及式磺酰基∴唑胺或其生理上可接受的盐或溶剂化物，其中R 1 ，R 2 每一个相互独立为H、A、－(CH 2 )n－Ar或具有2到6个C原子的链烯基，R 1 和R 2 也一起为具有1到2个N、O和/或S原子的单核饱和杂环，Z为H、A、CF 3 、NO 2 、卤素、OH、OA、NH 2 。NHA或NA 2 ，A为具有1到6个C原子的烷基，Ar为被Z取代的或Z二－取代的苯基，卤素为F、Cl、Br或I，n为1或2。

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。

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。

Preferably, at least one member selected from among heterocyclic compounds having any of hydroxyl, carbonyl, carboxyl, amino, amido and sulfinyl and containing at least either a nitrogen or a sulfur atom is contained in the polishing solution.

优选其中包含杂环化合物，所述杂环化合物含有羟基、羰基、羧基、氨基、酰胺基和亚磺酰基中的任1种，且含有氮和硫原子中的至少1种。

The Sm or Yb complexes were tested to be used as a catalyst for the Diels-Alder reaction of cyclopentadiene with methyl acrylate.

用α-亚磺酰基-N，N-二取代乙酰胺同三氯化钐和三氯化镱反应得到了相应的稀土配合物，用元素分析、红外光谱进行了结构表征。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。