三苯基的
- 与 三苯基的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In addition, the stability of ternary Cu 〓complexes polypyridyl=1, 10-phenanthroline (Phen , pyrido [3, 2-f] [1, 7] phenanthroline , 1, 4, 8, 9-tetraazatriphenylene , dipyrido [3, 2-a: 2'3'-c] phenazine , imidazo phenanthroline and 2-phenylimidazo phenanthroline , NTP=ATP and UTP was studied by potentiometric pH titration in water at temperature 15℃, 25℃ and 35℃, and in 30% and 50% aqueous dioxane solution at 25℃.
另外,用pH电位滴定法研究了多吡啶芳香配体polypyridyl配合物Cu〓(PL=1,10-邻菲咯啉、吡啶并[3,2-f][1,7]邻菲咯啉、1,4,8,9-四氮三联苯、二吡啶并[3,2-a∶2'3'-c]吩嗪和2-苯基咪唑并邻菲咯啉或咪唑并邻菲咯啉)在不同温度(15℃、25℃和35℃)水溶液及30%和50%二氧六环-水混和溶剂(25℃)中的稳定性。
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The results show that there is intensive synergistic effect among cetyltrimethylammonium bromide, benzalacetone and polyethylene glycol. A bright and compact nanocrystalline zinc was produced due to the coexistence of such three additives.
结果表明,十六烷基三甲基溴化铵、4-苯基-3-丁烯-2-酮和聚乙二醇三种添加剂之间具有较强的协同作用,采用三者组成的混合添加剂可制备出光亮致密的纳米晶锌镀层。
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Three potential initiation processes were identified during the cumyl phenyl dithioacetate mediated acrylate polymerizations.
三个可能的启动过程期间,没有发现基苯基dithioacetate介丙烯酸聚合。
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The novel title compound was synthesized with benzaldehyde, isobutyraldehyde, phosphorus trichloride as raw materials. The total yield was 40.8%. The structure was confirmed by 1H NMR, 31P NMR and elemental analysis.
摘要以苯甲醛、异丁醛、三氯化磷为原料合成了新型的1,3,2-氧磷杂环类化合物2-苯羟甲基-5,5-二甲基-4-苯基-2-氧代-1,3,2-二氧磷杂环己烷,总收率为40.8%,并对其进行了NMR研究和结构表征。
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In order to check the corresponding compound at 31P NMR –45.4 ppm, stable pentacoordinate spirobicyclic 2-phenoxy-1,3-phenylene-dioxo-1,3,2-iminoacetoxyphosphoranes were synthesized through a new and efficient method whereby phosphorus pentachloride was displaced stepwise by catechol, N,O-bisamino acid and phenol, or catechol, phenol and N,O-bisamino acid, their 31P NMR chemical shifts are at about 31P NMR –45.0 ppm, the results showed that the compound 4 at 31P NMR –45.4 ppm was pentacoordinate phosphorane containing amino acid residue.
采用磷谱跟踪来研究上述成肽反应机理。例如在氮气保护下,0.1mmol O,O-亚苯基磷酰氯(1)和0.15mmol N,O-二苯丙氨酸(2)苯溶液加入0.6ml核磁管中,混合均匀,反应过程用磷谱检测。反应1分钟后,起始原料1(δp=19ppm)很快转变成N-磷酰苯丙氨酸的三甲基硅基酯(3)(δp=19.8ppm),在8分钟内,3完全转变成苯丙氨酸磷烷4(δp =-45.4ppm),同时出现环磷三酯(6)(δp=3.5ppm)。随着反应的进行,对应于化合物4的峰逐渐变小,而6逐渐变大。
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Mainly engaged in sodium azide, barium azide, three phosphorus nitride Friday, phenyl isothiocyanate, 1 - phenyl -5 - mercapto-tetrazole, 4 - dimethylamino-pyridine, 2 - mercapto--5 -- methyl-1,3,4 thiadiazole, N-hydroxy phthalimide, anhydrous betaine and betaine hydrochloride, such as fine chemical raw materials and medicine, pesticide intermediates of the development, production and sales.
主要从事叠氮化钠,叠氮化钡,五氮化三磷,异硫氰酸苯酯,1-苯基-5-巯基四氮唑,4-二甲氨基吡啶,2-巯基-5-甲基-1,3,4噻二唑,N-羟基邻苯二甲酰亚胺,无水甜菜碱及甜菜碱盐酸盐等精细化工原料及医药、农药中间体的开发、生产和销售。
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A triarylamine-based picolinic acid was synthesized through the Ullmann reaction and Negishi coupling reaction. Using this class of picolinic acid derivative as an auxiliary ligand and 1-phenylisoquinoline as a cyclometalated ligand, a cyclometalated iridium complex was also prepared.
通过Ullmann反应和Negishi偶联反应,合成了一种含三芳胺功能基的吡啶-2-甲酸衍生物;并以此为辅助配体、1-苯基异喹啉为环金属配体,设计合成了一种新型环金属铱配合物。
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A triarylamine-based picolinic acid was synthesized through the Ullmann reaction and Negishi coupling reaction. Using this class of picolinic acid derivative as an auxiliary ligand and 1-phenylisoquino-line as a cyclometalated ligand, a cyclometalated iridium complex was also prepared.
通过Ullmann反应和Negishi偶联反应,合成了一种含三芳胺功能基的吡啶-2-甲酸衍生物;并以此为辅助配体、1-苯基异喹啉为环金属配体,设计合成了一种新型环金属铱配合物。
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A novel fluorescent acrylamide monomer, N-(4-Benzooxazol-2-yl-phenyl)- acrylamide, was prepared from o-aminophenol, p-aminobenzoic acid and acryloyl chloride, with polyphosphoric acid as dehydrating agent and triethylamine as deacidification agent.
以邻氨基苯酚、对氨基苯甲酸和丙烯酰氯为原料,以多聚磷酸为脱水剂、三乙胺为脱酸剂,研制了一种新的荧光丙烯酰胺单体N-[4-(苯并噁唑-2-)苯基]丙烯酰胺。
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In the third step, when the ratio of racemic ester to benzenesulfonyl chloride to triethylamine to catalyst 4-DMAP is 1:1:1:0.1 in 10℃, the yield is 82.9% and high purity is obtained by crystallisation.
在第三步磺酰化反应中,得到合成消旋2-苯磺酸基-2(2-氯苯基)乙酸甲酯的较佳反应条件为邻氯扁桃酸甲酯:苯磺酰氯:三乙胺=1:1:1,催化剂4-DMAP用量为摩尔反应物的10%,反应温度为10℃,收率为82.9%,同时用结晶方法获得高纯度的产物。
- 推荐网络例句
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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.
曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。
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The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.
稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。
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When I was in school, the rabbi explained everythingin the Bible two different ways.
当我上学的时候,老师解释《圣经》用两种不同的方法。