戊胺
- 与 戊胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Methods The target compounds were synthesized from cyclopentanone via Stork reaction, Mannich reaction and selective reduction.
方法以环戊酮为起始原料,通过Stork烯胺反应、Mannich反应、选择性还原制备目标化合物;以二甲苯致小鼠耳肿胀模型测试目标化合物的抗炎活性。
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When acetone oxime was used as substrates, lower conversion and selectivity were obtained. For cyclopentanone oxime as the substrate, the Beckmann fragmentation was observed.
对于丙酮肟和环戊酮肟,前者重排得到N-甲基乙酰胺的选择性低,后者则不发生Beckmann重排。
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Synthesis of Antidote of N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane BI Hong-mei, ZHANG Jin-yan, LIANG Ying, SHEN Yong (College of Arts and Sciences Heilongjiang August First Reclamation University, Daqing 163319, Heilongjiang, China) Abstract: N-Dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane was synthesized by one pot method with isopropanolamine, cyclopentanone and dichloroacetyl chloride. The optimum reaction conditions obtained are as follows:the proportion in moles of the above materials is 1∶1∶1.2, reaction solvent is toluene, reaction temperature is -15 to -10 ℃,reaction time is 3 h, under the optimum condition, the yield of the compound is 50.0%.
除草剂解毒剂N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷的合成毕洪梅,张金艳,梁英,沈勇(黑龙江八一农垦大学文理学院,黑龙江大庆 163319)摘要:以33%的氢氧化钠水溶液为缚酸剂,异丙醇胺、环戊酮和二氯乙酰氯为原料,采用&一锅法&合成了N-二氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷,采用正交实验法得到最佳反应条件:反应原料摩尔比为1∶1∶1.2,苯作溶剂,反应的温度为-15 ℃~-10 ℃,搅拌时间为3 h,产率达到50.0%。
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Using glutaraldehyde as a cross-linker, cystamine is coupled onto the modified electrode. Subsequently, gold nanoparticle monolayer is assembled onto the resulting surface.
使用戊二醛作交联剂将胱胺连接到经修饰的电极上,继而可组装纳米金单分子。
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In a similar way, using N,N\'-dibenzyl tartamide as auxiliary,-(2-methyl)allyl-2-chloro-phenyl-methyl azide, a vital intermediate of Repaglinide, can be prepared via asymmetric allylation of o-chlorobenzaldehyde in
产物经氧化和碘加成内酯化反应得到阿伐他汀中间体(3R,5S)-3-羟基-5-碘甲基戊内酯(10);将N-苄基酒石酸二酰胺用于邻氯苯甲醛的不对称烯丙基化反应以较高光学收率得-甲基烯丙基-2-氯苯基-甲基醇
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According to thermal characteristics of single component, dilative action was analyzed for mixture from the viewpoint of thermal effect.
通过对典型膨胀体系(即聚磷酸铵、三聚氰胺、季戊四醇)中单一活性物质及其混合物的DSC分析,探讨了不同组分之间热效应的叠加现象和相互作用,从热效应角度分析了膨胀反应,初步探索了复杂膨胀现象中物理化学变化的热特征。
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In order to carry out the separation of the azeotropic mixture dipropyl ether + 1-propyl alcohol by extractive distillation, we are studied the influence on the phase equilibria behavior four different solvent: 1-pentanol [2], butyl propionate [3], N,Ndimethylformamide [4] and 2-ethoxyethanol.
为了用萃取性蒸馏法分离二丙醚和1-丙醇组成的共沸混合物,我们正在研究4种不同溶剂对相平衡行为的影响:1-戊醇[2]、丙酸丁酯[3]、N,N-二甲基甲酰胺[4]和2-乙氧基乙醇。
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As can be seen in Fig. 5, dipropyl ether will be recovered in the distillate using 1-pentanol, N,N-dimethylformamide and 2-ethoxyethanol as entrainers and butyl propionate is the only entrainer studied that inverts the volatility of the azeotropic mixture.
从图 5可以看出,使用1-戊醇、N,N-二甲基甲酰胺和2-乙氧基乙醇作为共溶剂时二丙醚将在馏分中回收,丙酸丁酯是唯一与共沸混合物挥发性相反的共溶剂。
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Dipropyl ether will be recovered in the distillate using 1-pentanol.
使用1-戊醇。N.N-二甲基甲酰胺和2-乙氧基乙醇作为共溶剂时二丙醚将在馏分中回收。
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METHOD: The following tests were made:①test with of hemopoietic inhibition induced by cyclophosphamide on mice,②Carban particles clearance test,③Erythrolysin formetien test,④Swimming test,⑤Hypoxia test,⑥Sedation test,⑦Hypnosis test.
①由环磷酸胺引起的小鼠造血系统抑制模型;②小鼠碳粒廓清试验;③小鼠溶血素形成试验;④小鼠游泳试验;⑤小鼠耐缺氧试验;⑥小鼠旷野活动试验;⑦由戊巴比妥钠引起的小鼠催眠模型。
- 推荐网络例句
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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。
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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。
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You rap, you know we are not so good at rapping, huh?
你唱吧,你也知道我们并不那么擅长说唱,对吧?