合成物

In part three we developed another highly efficient method for the synthesis of allylic iodide.

第三章对Baylis-Hillman加成物在有机合成中的应用做了一些新的探索。

Similarly, the acyl-oxygen cleavage of MG mainly occurs at theleast hindered carbonyl group and alternating D,L-PLGA50 wasobtained.

同样，MG单体的开环主要发生在位阻较小的羰基一侧〓，合成了窄分子量分布的聚乳酸-交替-聚乙醇酸共聚物。

Part two, Three analogue compounds of actamiprid were synthesized by analogue synthesis method through the intermediates which have insecticide activity.

第二部分中，选取本身具有杀虫活性的基团取代吡虫清中的2-氯-5-氯甲基吡啶，采用"类同合成法"合成了3个烟碱类杀虫剂吡虫清的类似物。

This thesis mainly focused on the synthesis of analogue 6 of conidiogenone.

本文进行了天然产物Conidiogenone的类似物6的合成研究。

These studies indicate that the boron fluoride with nitromethane or acetone system with higher separation factor is superior to the anisole system used currently,but a more detailed study is.

采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。

In this study, a feedback insensitive anthranilate synthase gene ( ASA2 ) cloned from a tobacco cell line was tested for Agrobacterium mediated transformation of axis tissue of soybean mature embryo, with a tryptophan analogue 5 methyltryptophan (5 MT) as the selective agent.

通过从烟草中克隆的邻氨基苯甲酸合成酶基因(ASA2 )作为筛选标记基因，并采用氨基酸的类似物 5 甲基色氨酸为筛选剂，进行了农杆菌介导的大豆成熟胚尖转化研究。

In this review, we presented novel agents with potential for the treatment of tuberculosis, which through natural product screening, design and synthesis of new drugs and structure modification of antituberculous agents; we also described advance in molecular biology of tuberculosis and the development of antituberculous targets.

文中综述了近年来通过天然物筛选、新药设计合成以及对现有抗结核药物的再修饰等途径，发现的一些有抗结核活性的化合物，以及结核杆菌分子生物学和抗结核治疗靶点的研究进展。

A novel binaphthalene -based copolymer which containing alternating ionic conductive and light-emitting blocks on the main chain was designed and synthesized in order to overcome phase separation problem between the polar ionic conductive and the apolar conjugated polymers in the traditional light-emitting electrochemical cells.

为克服聚合物电化学发光池中极性离子传导性聚合物与非极性发光聚合物两相分离的矛盾，设计合成了一种聚合物分子主链上同时含有发光链段与离子传导性链段的联二萘功能性发光共聚物 EO- PN。

This paper reviews the progresses on the biosynthetic gene clusters of nature products from the symbiotic bacteria including marine sponge, ascidian, bryozoan, deep-sea tube worm and deep-sea sediments.

本文综述了来源于海绵、海鞘、苔藓虫、深海管状蠕虫和深海沉积物中共附生微生物天然产物生物合成基因簇的研究进展。

N-succinimidyl 5---3-pyridinecarboxylate, a useful linker for labeling proteins with astatine and iodine radioisotopes, is synthesized in three steps with 5- bromonicotinic acid as a starting material, and is characterized by nuclear magnetic resonance, mass spectrometer and high performance liquid chromatography.

以5-溴烟酸为起始物，通过3步主要反应合成了一种适用于蛋白质放射性砹标记的偶联剂——5--3-吡啶甲酸 N-琥珀酰亚胺酯，并用核磁共振、质谱、高效液相色谱等进行了表征。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。