查询词典 patho-amine

An intramolecular α-addition of hydroxy or amine-substituted electron-deficient alkyns catalyzed by phosphines was developed.

主要工作是利用我们小组发现的全碳1，3-偶极子在合成螺环化合物方面做了比较细致和深入的研究。

An intramolecular α-addition of hydroxy or amine-substituted electron-deficient alkyns catalyzed by phosphines was developed. An intramolecular β-addition of hydroxysubstituted 2-alkynoates trigged by the tributylphosphine was also achieved.

在上面的研究中发现低活性的亚甲基取代的环内酰胺的[3+2]环加成反应也能顺利进行，因此我们研究并实现了β-位取代的贫电子烯烃的环加成反应，进一步拓展了叔膦催化的[3+2]环加成反应。

Our research included four parts: design and synthesis of amine oximes and other compounds as ligands, label them with 〓Tc〓, assessment of their biological activities in vitro and in vivo, and preparation of 〓 kit for clinic use.

研究工作主要包括合成作为配体的〓及其类似物，制备其〓Tc〓标记物，进行乏氧细胞实验和荷瘤动物实验，考察它们在肿瘤细胞中的吸收与体系乏氧的关系，以及在不同荷瘤动物模型中的放射性分布和显像情况。

In conclusion, our research has indicated that amine oximes or other hypoxia imaging agents might not be structure-specific pharmaceuticals, and lipophilicity seemed to be an important factor in design for hypoxia agents.

由于〓Tc〓-〓在胃肠道等脏器分布较多，难以检测腹腔肿瘤，但可广泛适用于其它部位实体瘤的诊断。而上述三者更集中于肝、肾，可能适用于某些胃肠道肿瘤和妇科肿瘤的乏氧显像。

BACKGROUND AND AIM: To purify and investigate enzyme kinetic properties of rabbit plasma semicarbazide-sensitive amine oxidases, using methylamine as substrate.

背景与目的：血浆中含有氨基脲敏感型胺氧化酶(semicarbazide-sensitive amine oxidase，SSAO)。

Amine catalysts are used for preparation of thioamides by the addition reaction of nitriles with hydrogen sulfide.

在胺催化下，硫化氢和腈加成反应生成硫代酰胺，其原子经济性为100%，是一个绿色化学合成方法。

Then, it was condensed with-valine methyl ester to form a chiral imine, which was reacted with allyl zinc bromide in the presence of CeCl3·7H2O to afford the corresponding chiral homoallylic amine with high optical activity.

-N-Boc-3-苯基-2-氨基丙醛与-缬氨基酸甲酯缩合生成手性亚胺，在七水合三氯化铈（CeC13·7H2O）催化以及底物的手性诱导作用下，该手性亚胺与烯丙基溴化锌经不对称加成反应合成了高光活性的单烯丙基化手性胺。

The result shows that reaction time for tertiary amine formation is only 7min, and the yield is increased by 25%.

结果表明，生成叔胺的反应时间缩短为7min，产率增加了25%。

Employing high-dilute method and 5-fold excess amine prepared two new "two-armed" acyclic diamine intermediates I_a and I_b, which are also intermediates of synthesizing microcyclic compounds, and eight aromatic Schiff bases, II_, were synthesized from reaction of I_a or I_b condensing with different aromatic aldehydes. Their composition and structure were characterized by Elemental analysis, IR, UV-Vis, LIF,~1HNMR and MS. The hydrogen bond interactions and MS fragmental patterns were also discussed.3. Several novel transition metal complexes using II_a as ligand were synthesized and identified by Elemental analysis, IR, UV-Vis,~1HNMR and molar conductivity.

1，采用高度稀释及胺过量五倍的方法合成了两个具有吡啶双酰胺臂的非环二胺Ⅰ_a和Ⅰ_b，并以它们为中间体进一步合成了八个芳香席夫碱Ⅱ_a-Ⅱ_h，通过元素分析及各种波谱测试鉴定了它们的组成与结构，对化合物的UV-Vis、LIF、IR、~1HNMR及MS进行了较为详细的讨论，还探讨了席夫碱的氢键相互作用及质谱裂解方式； 2，以席夫碱Ⅱ_a为配体合成了几个新型的过渡金属配合物，并通过元素分析、UV-Vis、IR、~1HNMR、摩尔电导及DTA—TG对其进行了表征，讨论了化合物的配位情况及配体在配位中的脱质子行为。

The applications of LO-CAT process in the H2S removal of gases, such as fuel gas, acid gas of amine unit, stripped gas of wastewater treatment plant and tail gas of Claus unit, were introduced.

介绍了LO-CAT工艺用于炼油厂燃料气、胺精制酸性气、含硫污水汽提气和克劳斯装置尾气等气体的脱硫处理。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&