苯酰胺
- 与 苯酰胺 相关的网络例句 [注:此内容来源于网络,仅供参考]
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All products are characterized with 1H-NMR. The products are used as PTC in the fluoridation of p-chloronitrobenzene, tetrachloroterephthaloyl chloride and N-benzyltetrachloridephthalimide to detect the performance of the different PTCs.
分别将上述化合物作为相转移催化剂应用于对硝基氯苯、四氯对苯二甲酰氯和N-苯基四氯邻苯二甲酰亚胺等化合物的氟化反应中,以检测各催化剂的催化性能。
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By using the a device being similar to water segregator and by controlling the temperature, cyclization of the intermediate product in chloroform reduced carbonization and gave 2-dodecaneanthraquinane in 68.1% yielding.
以十二烷基苯和苯酐为起始原料,经酰基化、关环和磺化三步反应合成了3-十二烷基蒽醌磺酸;并进一步改进和优化了合成工艺条件:即在催化剂三氯化铝过量50%并有三乙胺存在的条件下,中间体2-(4-十二烷基苯甲酰基)苯甲酸收率为72.45%;关环反应采用氯仿作溶剂,利用类似分水器的装置有效控制反应温度以减少碳化,2-十二烷基蒽醌的收率为68.1%。
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Acylamino acid-5-fluorouracil were prepared from acylamino acid chlorides and 5- fluorouracil in the presence of 〓.
邻苯二甲酰氨基酸酰-5-氟尿嘧啶则由邻苯二甲酰氨基酸酰氯与5-氟尿嘧啶在三乙胺的存在下制得。
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Part III, 12-benzyl dehydroabietyl thioisocyanate was synthesized from methyl 12-benzyl dehydroabietic acid, by hydrolysis, chloride, Curtius reaction to give isocyanate which was hydr- olysied to amine under acidic condition, and with the method of CS2 at last, the maximal excitat- ion wavelength was bathochromic shifted 14nm compared to DDHA-NCS.
第三部分,从12-苯甲酰基脱氢松香酸甲酯出发,经过水解,酰氯化、Curtius reaction得到异氰酸酯,在酸性条件下水解成胺,最后由二硫化碳法得到一种新的荧光衍生试剂12-苯甲酰基脱氢松香酸异硫氰酸甲酯,与DDHA-NCS相比,最大激发波长红移了14nm。
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The method is presented as follows: firstly, potassium phthalimide is synthesized by phthalimide reacting with potassium hydroxide at the room temperature.
该法先在室温条件下以邻苯二甲酰亚胺与氢氧化钾反应合成了邻苯二甲酰亚胺钾。
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Potassium phthalimide reacted with 2-chloroethanol under 90?℃ or 12?h in DMF solvent, and the isolation yield was about 86%.
以DMF为溶剂,邻苯二甲酰亚胺钾盐与氯乙醇在90℃下反应12h,N (2 羟乙基)邻苯二甲酰亚胺的收率为86%。
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Third, we studied the N-alkylation of phthalimide, indole, benzimidazole, succinimide with a variety of halogen in ionic liquid [BF4], [PF_6]. The present method has many obvious advantages, compared to those reported in the literature, including the generality, simplicity of the methodology, the ease of product isolation, the higher yield and potential for recycling of ionic liquids.
第三、研究了离子液体[BF_4]、[PF_6]和BF_4促进邻苯二甲酰亚胺、吲哚、苯并咪唑、丁二酰亚胺的N-烷基化反应,克服了传统溶剂中进行N-烷基化反应要求强碱、反应条件苛刻、时间长、产率一般的不足,改善了反应条件、提高了产率。
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In the third chapter, the synthesis of5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde oxime(2) from5-[(1"S)-1",2"-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) and phenyl-hydrazine were introduced firstly. The synthesis of nine dioxapyrrolino[3,4-c]pyrazoles containing chiral pyrazolyl moiety(6a-i) from 2 with N-substituted-phenylmaleimide by nonmetal oxidant IBD-initiated intermolecular 1,3-dipolarcycloaddition was described in detail.
第三章首先以5-[(1′S)-1′,2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)和苯肼为原料,合成了化合物5-(1′S)-1′,2′-二乙酰氧基乙基1-1-苯基吡唑-3-醛-苯腙(2);再用化合物(2)与N-取代苯基马来酰亚胺反应,利用无金属氧化剂—IBD引发1,3-偶极反应,发生分子间的环加成,合成了9种新型手性吡唑连二氧代吡咯啉并
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In this paper, 4-4-(trifluoromethoxy benzoyl cyclohexyl-3, 5-diaminobenzoate with a large branch chain, pyromellitic dianhydride and 4-(4-aminobenzyl) benzenamine were used to synthesize polyimides. The effect of monomer charge order on pretilt angle was investigated for the first time when PIs were used as LC alignment layer, and the effect of diamine mole ratio on pretilt angle was studied. The thermal stability of the pretilt angle was discussed.
文章用均苯四酸二酐、4,4'-二胺基二苯甲烷和具有较大支链的4-(4-苯甲酰基)环己基-3,5-二胺基苯甲酸酯等单体制备聚酰亚胺,首次研究了单体加料顺序对液晶预倾角的影响,同时也研究了二胺配比对液晶预倾角的影响问题,并探讨了预倾角的热稳定性等问题。
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The purpose of this work is to develop new methods for syntheses of polyimides derived from chlorophthalic anhydrides.
本工作的目的是以氯代苯酐和二胺为原料,制备双氯代酞酰亚胺单体,然后进行聚酰亚胺合成方法的研究,以达到减少合成步骤,降低其生产成本的目的,主要内容如下: 1由双氯代酞酰亚胺与双酚A在不同体系中进行聚合反应,发现双酚是否完全成盐和聚合体系含水量是决定聚合物分子量的关键因素。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。