衍生物

Here, we synthesize the derivatives of α-amino acyl phenol.

本文要合成的是α-氨基酰苯酚衍生物。

Starting from amino acids, the synthesis methods of N-alkyl and acyl derivatives of polyhydroxylated alkaloids were founded.

以氨基酸作为引入侧链的起始化合物，建立了多羟基生物碱的N-烷基化和酰基化衍生物的合成方法。

The hydroxyl amino acid has been replaced, the resulting compounds can also be regarded as ammonia hydrogen has been replaced by acyl derivatives.

羧酸中的羟基被氨基取代后，生成的化合物，也可看作是氨的氢被酰基取代的衍生物。

Especially in the respects of antivirus and restraint of cancer cells, adenine derivatives have obvious effect and alluring prospect of clinical application.

特别是在抗病毒和抑制癌症细胞方面，腺嘌呤类衍生物作用明显，具有诱人的临床应用前景。

Thus, we redesigned and synthesized a series of new precursors devoid of the unfavourable structural elements for the organocatalytic intramoleculor aldol reactions.

我们重新设计合成了该关环前体的衍生物，希望除去分子中不利于Aldol反应的结构单元以实现关环反应。

The main products and business: Pharmaceutical intermediates,Bactericide and Algaecide, Amino acids and derivatives,Polypeptide reagents, Chiral compounds, oxygen absorbers, biochemical reagents and fine chemicals, our products sold in Europe and America, the Middle East and other regions.

主要产品及业务：医药中间体，水处理杀菌剂，氨基酸及衍生物，多肽试剂，手性化合物，脱氧剂，生化试剂和精细化学品，销往欧美，中东等地区。

According to the helix theory , the algebraic sum value of all rotations of dihedral angle helix is equal to zero in the structure of 1,3-disubstituted cyclohexane derivatives.

按照螺旋理论，1，3-二取代环已烷衍生物的结构中存在的二面角螺旋旋光度代数和为零，不应具有旋光性，但是它们却是光学活性的。

Birch Reduction, one of the most powerful synthetic methodologies available to organic chemists, provides a bridge between aromatic and aliphatic compounds and makes a huge arsenal of aromatic derivatives readily available for construction of alicyclic molecules, which are possibly converted into various natural products.

Birch还原是联接芳香族和脂肪族化合物的桥梁，它使许多芳香族衍生物成为合成脂肪族化合物，尤其六元脂环天然产物的起始原料，因此Birch还原是有机合成中很有用的方法。

The mechanism,thermodynamics and kinetics of ion-exchange reactions between alkali,alkaline-earth and transition metal ions and zirconium phosphate and its derivatives ar...

本文综述了碱金属、碱土金属、过渡金属离子等与磷酸锆及其衍生物的离子交换反应机理、热力学和动力学特性，另外也讨论了发光金属配合物与磷酸锆的离子交换反应研究进展。

The mechanism, thermodynamics and kinetics of ion-exchange reactions between alkali, alkaline-earth and transition metal ions and zirconium phosphate and its derivatives are reviewed, progress in ion-exchange reaction between luminescent metal complex and zirconium phosphate is also discussed.

本文综述了碱金属、碱土金属、过渡金属离子等与磷酸锆及其衍生物的离子交换反应机理、热力学和动力学特性，另外也讨论了发光金属配合物与磷酸锆的离子交换反应研究进展。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。