甲氧基的 的英文怎麼說
中文拼音 [jiǎyǎngjīde]
甲氧基的
英文
methoxy-
The lack of any methoxysubstituted benzenes would preclude any insertion process taking place.
例中沒有甲氧基取代的笨,就應當排除任何嵌入反應的發生。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。The results show that the chemosensor exhitits selective fluorescent quenching in the presence of aromatic organic acid in acetonitrile solution, and that the binding ability of the chemosensor with organic acid is in the order of p - cyanic - benzyl acid > p - chloric - benzyl acid > p - methoxyl - benzyl acid > benzyl acid
結果表明,所合成的熒光分子在乙腈溶液中能選擇性識別芳香族有機酸,表現出熒光淬滅現象,其與有機酸絡合能力的大小依次為:對氰基苯甲酸對氯苯甲酸對甲氧基苯甲酸苯甲酸。An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component
以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點,將縮合、脫羧、異構化、 (順、反)異構體拆分等採用多步反應連續一鍋法的操作方法,成功地得到高有效含量的zr型保幼激素類似物。An equatorial methoxy group was completely inert to the grignard reagent.
位於平伏鍵的甲氧基,則沒有這種可能,因而不發生反應。R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R」是取化基,如乙氧基、甲氧基及它們的環氧和烷氧同系物或鹵基。Methoxy 1 groups are split off with boiling hi and converted to.
甲氧基用沸騰的碘氫酸分解,使甲氧基脫落並轉為甲基碘。Synthesis and fungicidal activity of n - methoxylcarbamates containing 1, 2, 4 - triazole and oxime ether
甲氧基氨基甲酸酯類化合物的合成及殺菌活性Synthesis and biological activity of methyl n - methoxylcarbamates containing pyrimidine
甲氧基氨基甲酸甲酯類化合物的合成及生物活性Objective to synthesize 2 - ( 4 - methoxypheny ) - 6 - methoxy - benzo [ b ] thiophene
摘要目的合成目的產物2 - ( 4 -甲氧基苯基) 6 -甲氧基苯並噻吩。Synthesis of novel thioureas and thiosemicarbazides containing 1, 2, 3 - triazole
對甲氧基苯甲酰基氨基硫脲的合成與表徵Melatonin ( n - acetyl - 5 - methoxytryptamine ) was discovered by a lerner and his colleagues [ l ] as the principal hormone of vertebrate pineal gland, an unpaired appendage of the brain in most vertebrates and named by him after its effects on amphibian melanophore. however, it is now known that many cells and tissues synthesis and the nature of organisms, melatonin is secreted in the night, thus, melatonin is identified as an endocreine index of the darkness and referred to as darkness hormone [ 3 ]. melatonin has aslo been called by other names, such as nature ' s sleeping pill for it role in sleep - wake cycles, and circadian glue for its increasing importance in the regulation of circadian and circannual physiological and behavioural functions, moreover it is also involved in the regulation of the immune respone and various cns activies, in the last decade, considerable attention has been devoted to the pharmacology of melatonin in view of its potential applications in various therapeutic areas
褪黑素( n -乙酰- 5 -甲氧基色胺, melatonin ,簡稱mt ) ,由lerner和他的同事們發現[ 1 ] ,后來根據它對兩棲動物黑色素細胞的影響而命名,是脊椎動物松果腺分泌的一種重要激素。松果體在大多數多脊椎動物中是一個孤立的附屬器官。然而,現在眾所周知很多細胞和組織合成mt ,若不考慮合成的位點和機體的屬性, mt在晚上分泌,正因如此, mt被認為是一種黑暗的內源性指標,被稱作黑色激素[ 3 ] 。R " is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo
R 」是取化基,如乙氧基、甲氧基及它們的環氧和烷氧同系物或鹵基。Study on the dimethoxyacetic acid methyl ester synthesis
二甲氧基乙酸甲酯的合成研究Research on alter quality of polypropylene composite
二甲氧基苯乙酮的合成Standard specification for 2 - methoxyethanol
2 -甲氧基乙醇的標準規范Alcoholysis synthesis of trimethoxysilane by solution method
溶劑法醇解合成三甲氧基硅烷的研究Study on synthesis of 3, 4 - dimethoxybenzaldehyde through vilsmeier - reaction
二甲氧基苯甲醛的研究Since establishment in september 1996, our company has been engaged in the manufacture and processing of pharmaceutical raw materials and pharmaceutical intermediates, which mainly include clobetasol propionate, betamethasone dipropionate ramification intermediate, loperamide hydrochloride, 7 - isopropoxyisoflavone, hydroxyurea, methoxyflavone, 7 - hydroxy isoflavone, 7 - methoxy isoflavone, etc
我公司於1996年9月成立,從事醫藥原料、醫藥中間體的生產、加工,主要產品有:丙酸氯倍他索、倍他米松二丙酸酯、倍他米松戊酸酯、糠酸莫美他松、 5 -甲基- 7 -甲氧基異黃酮、伊普黃酮等。Study on mechanism of synthesis of p - methoxybenzaldehyde by indirect electrooxidation
間接電合成對甲氧基苯甲醛反應機理的研究分享友人