查询词典 imino-chloride

These results provided the evidence that the formation of imino acetoxyphosphoranes intermediates was crucial to bioorganic reactions of N-phosphoamino acids.

这些结果从机理上证明N-磷酰氨基酸在水／醇体系中所发生的仿生化反应的确经历了氨基酸磷烷中间体。

E. the activation of amino acid, the elongation of peptide chain and the termination of the chain reaction, among which the activation of amino acid—the formation of imino acetoxyphosphoranes was the key step.

在这三步中，氨基酸的活化即氨基酸磷烷的形成是整个自组装成肽反应的最重要一步。

Some stable imino -acetoxyphosphoranes were successfully synthesized.

建立了一套合成稳定磷烷的新方法，并成功地合成了稳定的氨基酸磷烷。

IR spectra and UV spectra of the complexes are described. The results show that two phenolic oxygen and two imino nitrogen atoms in H2L coordinate to M ions.

通过对配合物的红外光谱和紫外光谱测定与归属，推测在三个过渡金属Schiff碱配合物中配体是通过酚羟基的氧原子和亚氨基的氮原子进行配位的。

If the nitrogen of these imino acids is involved in the peptide bond, the adjacent amino acid side chains are cis instead of showing the usual trans configuration, resulting in destabilization of an α- helix.

如果这些亚氨基酸中的氮进入肽链，那么邻近的氨基酸侧链是顺式的而不表现出通常的反式的构象，就导致了α-螺旋结构的不稳定。

The main difference between fish and mammalian gelatin is the content of the imino acids Pro and Hyp, which stabilises the ordered conformation when gelatin forms a gel network.

哺乳动物和鱼类的主要区别是明胶的氨基酸含量和亲脯氨酸、而稳定下来的时候，下令构明胶凝胶形成网络。

Pharmacological results also indicated that the carbonyl and imino of Z-47 are important to its marked antiinflammatory and analgesic activity. The activity will be reduced or abolished with Z-47 converted to oximes or/and acetamides.

药理结果还表明，Z-47结构中的羰基和仲胺基对Z-47的显著抗炎镇痛作用具有重要的贡献，将Z-47羰基变成肟或／和将Z-47仲胺基酰化都会造成抗炎镇痛作用的降低甚至是丧失。

It is worthwhile to note that only the α-amino acids, could be activated into the five-membered cyclic imino acetoxyphosphoranes, while the β-ones not.

实验表明，仅α-氨基酸能发生这种自组装成肽反应，而β-氨基酸却不能进行，这是由磷的五元环特性决定的。

The addition reactions with phosphine anion andthe CsF promoted Strecker reactions were chose to evaluate the relationship of thesetwo chiral groups in the diastereoselective additions of the imino group.

通过亚磷酸负离子的加成反应和CsF促进下的Strecker反应研究了这两个手性基团的不对称诱导的匹配情况。

It was found that the more easily systhesized and stable N, N-acetal or N, Ohemiacetal can replace N-tosyl imino ester to react with phenols in the presence of TiCl〓, and α-arylglycine derivatives were also obtained in high yields and high regioselectivity.

进一步研究发现，更易合成的N，N-或N，O-缩醛可以作为亚胺酯的替代物和酚类化合物发生傅克反应。路易酸TiCl〓能有效地促进酚类化合物和亚胺酯的傅克反应较高产率、较高区域选择性的得到2-羟基α-芳香甘氨酸衍生物。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了