芳氧基 的英文怎麼說
中文拼音 [fāngyǎngjī]
芳氧基
英文
aroxy-
Direct alkoxylation of aromatic compounds is virtually unknown.
事實上還不知道芳香族化合物的直接烷氧基化的方法。Aryl arsine oxyhalide
鹵氧化芳基胂Aryl disulfides, for example, inhibit polyolefin oxidation.
例如芳基二硫化物可抑制聚烯烴的氧化。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。Preparation of dieters multi - ring liquid crystal by method of oxidizing and esterifying
氧化酯化法合成雙酯基多環芳香醛類液晶Uses : used as desizing agent and bleach activator ; used in the oxidation and degradation of waste materials in pools and the closed and circling water ; used in modification of starch, production of bonds and coating materials ; used in the oxidation of alcohol and linalool ; used as an essential component of bleaching formulations for hair cosmetics
用途:用於脫漿劑和漂白活性劑;用於水池及封閉循環處理水中有害物質的氧化降解;是生產澱粉的調節劑,並應用於粘合劑的塗料生產中;用於支鏈氧化、乙醇和芳香族羥基氧化;染發劑的基本成分之一,起脫色作用。Advance in genetics and aerobic biodegradation of monocyclic nitroaromatic compounds
單環硝基芳香化合物好氧生物降解及其遺傳學研究進展Unsaturated alkynyl alcohols, such as dehydronerolidol, dehydrogeranyllinalool, and dehydroisophytol, were prepared by ethynylation of turpentine derivatives, namely terpenylacetones, e. g. geranylacetone, farnesylacetone, and phyton under normal pressure in presence of alkali metal hydroxide and organic solvents
摘要松節油衍生物格萜烯基丙酮,如香葉基丙酮、金合歡基丙酮和植物酮在常壓條件,堿金屬氫氧化物和有機溶劑存在下可發生乙炔化反應,形成對應的, -不飽和炔醇化合物脫氫橙花叔醇、脫氫香葉基芳樟醇和脫氫異植物醇。A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating
以蒽酮和芳香醛為原料,二甲苯為溶劑,吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外,還含有部分文獻中沒有報道的蒽酮氧化物,經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去,有效的分離方法是升華Bc asphaltenes similar to petroleum asphaltenes and consist of aromatic nuclei, aliphatic chains, and naphthenic ring structures combined in three - dimensional network. but black carbon asphaltenes contains more aromatic carbon, oxygen - function groups, and less aliphatic chains
但碳黑瀝青質與原油瀝青質也是不同的,碳黑瀝青質的分子結構中含有更多的芳香結構組分和含氧基團,較少的脂肪側鏈組分。Epoxidation of arylzinc species formed in situ from diethylzinc and a series of arylboronic acids with, - unsaturated ketones was investigated
乙基鋅和芳基硼酸原位制備的芳基鋅與, -不飽和酮進行環氧化反應。So it has increasing commercial demand. escherichia coli and many other microoganism synthesize aromatic amino acids through the condensation reaction between phosphoenolpyru vate ( pep ) and erythrose - 4 - phosphate ( e4p ) to form 3 - deoxy - d - arabinohep tulosonate 7 - phosphate ( dahp ). pep and e4p are limiting substrates for formation of dahp
大腸桿菌和許多微生物一樣,其合成芳香族氨基酸的起始物是由磷酸烯醇式丙酮酸( pep )和4 -磷酸赤癬糖( e4p )二者縮合形成的3 -脫氧- -阿拉伯庚酮糖酸- 7 -磷酸( dahp ) 。Diaryl nitroxides are even more stable than the dialkyl nitroxides.
二芳基氮氧化物比二烷基氮氧化物還要穩定。The efficient synthesis of diaryl azoacylhydrazine with kclo3 feso4 h2so
4催化氧化合成二芳基偶氮羰酰肼After a series of reactions, an ester which is a derivative of ferrocene is obtained, then using the ester react with 1, 8 - naphthalenediamme, o - m -, p - phenyleiiediamine, ethylenediamine and 4. 4 ' - - biphenyldiamine respectively, polymer ( i ) ( ii ) ( iii ) ( iv ) ( v ) and polymer ( vi ) are obtained at the final part, we have discussed in brief the general properties of polymer ( i ) - { vi ) and analyzed systematically hnmr ir spectrum tg - dt diagram and molecular weight distribution of these polymers
簡要討論了聚合物( i )一( vi )的一般性質,對聚合物的核磁共振譜、紅外光譜、 t (卜刃t圖以及分子量分佈進行了系統研究。本文對聚合物( i ) 、 ( 111 )和(硯)的核磁共振譜和紅外光譜進行了分析,研究結果表明:聚合物中的援基上的氧原子能與芳胺上的氫原子形成分子內氫鍵,使聚合物的分子內出現了一個平面六元環結構,並山于分子內氫鍵的存在It has a sedative function, and can be used in many fields, such as aromatherapy, skin care and cosmetics
香水月季油中的3 , 5 -二甲氧基甲苯是一個十分有用的成分,它具有鎮靜作用,可以廣泛用於芳香治療、皮膚護理和化妝品。The ferrocenylchalcone derivatives were synthesized by the reaction of acetylferrocene and aromatic aldehyde using sodium hydroxide as catalyst in ethanol solvent under microwave irradiation
摘要報道了在微波輻射條件下,以乙醇為溶劑,固體氫氧化鈉為催化劑,使芳醛與乙酰基二茂鐵反應合成二茂鐵基查爾酮。A series of triarylphosphine ligands with alkoxyl groups have been prepared through five steps from commercially available 3 - bromophenol by a new synthetic route
摘要從間溴苯酚出發,利用新的合成方法經五步反應合成了一系列具有不同烷氧基的芳基膦配體。Aim to report a method for synthesis of n - chloroacetyl - 5 - ( aryloxymethyl ) - 2 - oxazolidinonesare
摘要目的研究n -氯乙酰基5 -芳氧甲基惡唑烷酮類化合物的合成方法。Synthesis and plant growth regulating activity of diaryl 1, 3 - phenylenedioxydiacetates
苯二氧基二乙酸二芳酯的合成及植物生長調節活性分享友人