- 更多网络例句与脒基相关的网络例句 [注：此内容来源于网络，仅供参考]
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Three ways leads to the synthesis of fenclorin, one way discussed here has 3 steps. Stepl :benzonitrile using as raw material goes though dry hydrogen chloride and becomes a-imino phenylmethyl ether after meet carbinol.
解草啶的合成主要有三条路线，本文选取合成路线是以苯甲腈为原料，经三步反应而成：1、苯甲腈在干燥的氯化氢通入，与甲醇形成亚氨基苯甲醚，通入氨气后置换甲氧基得到苯基脒盐酸盐(收率76.18%)。2、苯基脒盐酸盐在碱性条件下与丙二酸二乙酯环合而得嘧啶醇(收率84.39%)。3、嘧啶醇在三氯氧磷中羟基被氯化得到产品解草啶(收率87.29%)。
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Our country ethylene diamine mainly uses in producing the agricultural chemicals (woods manganese zinc, dithane Z-78, generation of woods amine and pesticide, weed killer, disinfectant), the surface active agent (lives geminate stearic acid amide, alkyl imidazole lin, double amide, with oxirane, epoxypropane synthesizes non-ionic surface active agent), the epoxy resin firming agent (polyamide resins, epoxy firming agent, hydroxyethyl ethylene diamine and so on), the wash assistant (ethylene diamine four ethanoic acid and sodium salt series chelating agents), medicine raw material (aminophylline, washes must be peaceful, nose eye only, deinsectization spirit and so on), water treatment medicinal preparation (ethylene diamine four methylene phosphonates, second grade trunk base ethylidene two phosphine acids), corrosion inhibitor dye fixing agent, photography materialFixing bath and oil dope and so on.
我国乙二胺主要用于生产农药（森锰锌、代森锌、代森胺及杀虫剂、除草剂、杀菌剂），表面活性剂（生成双硬脂酸酰胺，烷基咪唑啉、双酰胺，与环氧乙烷，环氧丙烷合成非离子表面活性剂），环氧树脂固化剂（聚酰胺树脂，环氧固化剂，羟乙基乙二胺等），洗涤助剂（乙二胺四乙酸及其钠盐系列螯合剂），医药原料（氨茶碱，洗必泰，鼻眼净，灭虫灵等），水处理剂（乙二胺四甲叉膦酸盐，乙脒基乙叉二膦酸），缓蚀剂染料固色剂，照相材料定影液及润滑油添加剂等。
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A process for reducing nitryl with unstable guanyl on para-position of benzene ring into azyl features that active metal reacts on organic acid and solvent at ordinary temp. and pressure to reduce N-(2 or 3-M, 5 or 6-M',4-nitrophenyl)-N',N'-dimethyl acetamidine into N-(2 or 3-m, 5 or 6-M', 4-aminophenyl)-N',N'-dimethyl acetamidine, where M=H,-R,-OR,-COOR (R=H, C1-C6); and M'=H,-R,-OR,-COOR (R=H, C1-C6). Its advantages include reduced by-reaction and high reducting rate up to 80%-95%.
本发明是将苯环上对位带有不稳定脒基的硝基还原为氨基的方法，采用活泼金属，如：锌或锡，与有机酸和适当的溶剂，在常温、常压下发生反应，将N－（2或3－M，5或6－M＇，4－硝基苯基）－N＇，N＇－二甲基乙脒还原为N－（2或3－M，5或6－M＇，4－氨基苯基）－N＇，N＇－二甲基乙脒，其中M＝H，－R，－OR，－COOR（R＝H，C1－C6），M＇＝H，－R，－OR，－COOR（R＝H，C1－C6），减少了副反应，使还原收率达到80％以上，最高可达95％以上，更适用于工业化生产。
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Finally,the electrocyclic ring-closure of N-vinylic ketenemine and a subsequent tautomerization lead to the formation of isoquinolines or benzoisoquinolines.
3发展了一种芳基叠氮和酰氯的AAB型串联反应，当控制芳基叠氮和酰氯的比例为2∶1时，反应生成N，N\'-二芳基脒类化合物。
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The general formulas of these compounds are as follows:The strobilurin derivatives were synthesized from substitutedβ-keto esters (2) as starting material which were prepared from substituted ketones (1) and dimethyl carbonate. The ester (2) and methyl hydrazine or substituted amidine were dissolved in methanol and the mixture was heated to reflux to obtain the substituted 5-hydroxy-1H-pyrazole (3) or 4-hydroxy-pyrimidine (4). The title compounds were prepared by reacting the intermediates (3 and 4) with substituted halomethylphenyls which contain four active group under basic conditions.
本论文所合成的strobilurin化合物均是以β-酮酸酯类化合物(2)为起始原料合成的，该中间体(2)是由酮类化合物(1)与碳酸二甲酯在碱性条件下反应生成的，中间体(2)与甲基肼或取代脒类化合物在甲醇中回流制得取代的1H-5-羟基吡唑(3)或4-羟基嘧啶(4)，中间体(3和4)再与包含四种活性基的苄卤中间体在碱性条件下制得目标化合物。
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The genera formulas of these compounds are as follows:The strobilurin derivatives were synthesized from substitutedβ-keto esters (2) as starting material which were prepared from substituted ketones (1) and dimethyl carbonate. The ester (2) and methyl hydrazine or substituted amidine were dissolved in methanol and the mixture was heated to reflux to obtain the substituted 5-hydroxy-1H-pyrazole (3) or 4-hydroxy-pyrimidine (4). The title compounds were prepared by reacting the intermediates (3 and 4) with substituted halomethylphenyls which contain four active group under basic conditions.
本论文所合成的strobilurin化合物均是以β-酮酸酯类化合物(2)为起始原料合成的，该中间体(2)是由酮类化合物(1)与碳酸二甲酯在碱性条件下反应生成的，中间体(2)与甲基肼或取代脒类化合物在甲醇中回流制得取代的1H-5-羟基吡唑(3)或4-羟基嘧啶(4)，中间体(3和4)再与包含四种活性基的苄卤中间体在碱性条件下制得目标化合物。
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In chapter four, the preperation of ytterbium diiodide was examined. The reductive cleavage of Se-Se bond and S-S bond induced by ytterbium diiodide was investigated. The reaction of diselenides and disulfides with allylic bromide promoted by ytterbium diiodide was also examined. The intermolecular Barbier-type reaction induced by ytterbium diiodide was studied. In the last section of this chapter, the intermolecular reductive coupling of nitriles with azides induced by samarium diiodide was investigated.
第四章，研究了二碘化镱的制备方法，以及二碘化镱作为一种优良的单电子转移试剂在有机合成中的应用：二硒醚的Se--Se键和二硫醚S-S键的还原断裂，及其在合成烯丙基硒醚，硒代酯和烯丙基硫醚，硫代酯中的应用，实验结果表明二碘化镱也能促进分子间的Barbier反应，而文献认为二碘化镱不能促进分子间的Barbier反应；最后研究了二碘化钐促进的叠氮化合物与腈的交叉还原偶联反应，一步高收率地制备脒的方法。
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The thermo decomposition of fire retardant FRW and its main components boric acid and guanylurea phosphate and the pyrolysis of basswood treated with boric acid, basswood treated with GUP, basswood treated with FRW and untreated basswood was analyzed by thermogravimetry and differential thermoanalysis.
摘 要：采用热重和差热分析法，对木材阻燃剂FRW及其主要组分硼酸B）和磷酸脒基脲、硼酸处理紫椴木材、GUP处理紫椴木材、FRW处理紫椴木材以及未处理紫椴木材进行了系统的热解行为研究。
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By analyzing these data,it was concluded that:1The combustion of wood,including rate of heat release,total heat release,effective heat of combustion,mass loss rate,smoke ratio,specific extinction area,concentration of CO_2 and the yield of CO_2Y_(CO2,were decreased considerably by the treatment of FRW;2There is a strong synergistic effect of fire retardance between GUP and boric acid;3The trend of MLR curve of FZ was similar to its RHR curve,weight loss and heat release were happened mainly in flaming phase;4Char formation of wood was markedly accelerated by FRW,which indicated that catalytic charring effect of FRW on wood is the primary side in its fire-retardation mechanism.
对于组成和结构变异性很大的木材而言，由于CONE实验所使用的样品量相对于其他分析方法要大得多，因而实验结果比较有代表性。此外，CONE实验可在模拟火灾条件下进行，这是该方法的又一突出的优点[5～6]。木材阻燃剂FRW主要由磷酸脒基脲和硼酸组成，此外还含有
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N-guanylurea dinitramide was synthesized with N-guanylurea hydrochloride as primary substance by hydrolysis and double decomposition reaction in turn and the overall yield of GUDN is 79%.
以盐酸脒基脲为原料，通过水解、复分解反应，合成了N-脒基脲二硝酰胺盐，总收率可达79%。
- 更多网络解释与脒基相关的网络解释 [注：此内容来源于网络，仅供参考]
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Creatine Phosphate：磷酸肌酸
肌酸(creatine)和磷酸肌酸(creatine phosphate)在能量储存及利用中起重要作用. 二者互变使体内ATP供应具有后备潜力. 肌酸在肝和肾中合成,广泛分布于骨骼肌、心肌、大脑等组织中. 肌酸以甘氨酸为骨架,精氨酸提供脒基、SAM供给甲基、在脒基转移酶和甲基转移酶的催化下合成.
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formyl：甲酰(基)
eu-优 | formyl-甲酰(基) | guanyl-脒基
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adrenochrome monoguanyl-hydrazone methansulfonate (AMM)：肾上腺素红单脒基腙甲磺酸盐
非随机性效应 non-stochastic effect | 肾上腺素红单脒基腙甲磺酸盐 adrenochrome monoguanyl-hydrazone methansulfonate (AMM) | 呼吸带取样 breathing zone sampling
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amidine：脒;淀粉溶液
"醯基转移酶","amide transferase" | "脒;淀粉溶液","amidine" | "胺基","amido-"
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amidine group：脒基
\\"醯胺酶\\",\\"amidase\\" | \\"脒基\\",\\"amidine group\\" | \\"弓鳍鱼科\\",\\"AMIIDAE\\"
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biguanide; amidinoguanidine：缩二胍;甲脒胍
联甲酰基;甘醛;乙二醛 biformyl; glyoxal | 缩二胍;甲脒胍 biguanide; amidinoguanidine | 联己基;十二烷 bihexyl; dodecane
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guanyl：脒基
formyl-甲酰(基) | guanyl-脒基 | hepta-七;庚
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guanyl：甲脒基
胍基 guanidino | 胍基 guanido | 甲脒基 guanyl
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amidino; guanyl：甲脒基
烯丙基 allyl | 甲脒基 amidino; guanyl | 酰胺基 amido
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spermidine：精脒
9.1.2 精脒(spermidine)从软珊瑚中分离所得两种具有酰胺的精脒化合物1和2. 二者均有抗肿瘤活性. 9.2.1 草苔虫素(bryostatins)从苔鲜动物总合草苔虫中提取出的1种大环内醣类物质,其苔藓毗喃环及其取代基才是保持活性所必需的组分.