羥基酮 的英文怎麼說
中文拼音 [qiǎngjītóng]
羥基酮
英文
hydroxyketone-
Methods pinocembrin and its derivatives were synthesized with 2, 4, 6 - trihydroxy - phenylethanone as the starting material via four steps including protection of the hydroxy - group, condensation, cyclization and deprotection
方法以2 , 4 , 6 -三羥基苯乙酮為起始原料,經羥基保護、縮合、環化、脫保護合成目標化合物。Cyanohydrins are biologically active compounds used in synthesis of - amino alcohols, - hydroxy ketones and - hydroxy acids, which have importance as fine chemicals, pharmaceuticals and agrochemicals
氰醇是合成-氰基醇類, -羥基酮類及酸類化合物的重要生物活性物質,這些化合物又是精細化工、制藥和農用化學品領域的重要原料和中間體。Two kinds of flavonoids in water extracts, water - extraction and alcohol precipitation, alcohol extracts were found by paper chromatography. they were separated and purified by thin - layer chromatography, one of which was primarily identified by uv as 4 ", 5 - dihydroxy - flavonol etherification or 4 ", 5, 8 - trihydroxy - flavonol etherification
水提物、水提醇沉物、醇提物等3種提取物紙層析結果顯示有兩種黃酮類化合物,經薄層層析分離純化,並進行紫外光譜分析,初步測定其中一組分為4 , 5 -二羥基黃酮醇醚或4 , 5 , 8 -三羥基黃酮醇醚。Ketose a monosaccharide sugar containing a ketone ( = co ) or potential ketone group, e. g. dihydroxyacetone
酮糖:含有羰基的單糖。例如二羥基丙酮。Study of hydroxylation of poly ether sulfone keton containing the phthalazinone moiety copolymer
含氮雜環聚醚碸酮的羥基化改性Screening of 1, 3 - dihydroxyacetone - producing strain using glycerol as bioconversion substrate
二羥基丙酮的菌株篩選Synthesis of hydroxylated chalcones under microwave using tbab in water
羥基查爾酮的合成Hydroxylation of poly phthalazinone ether sulfone ketone containing phthalazinone moiety and properties
含氮雜環聚芳醚碸酮羥基化改性及性能Green tea contains a number of flavonols with the basic structure specific flavonols found in tea include myricetin ( hydroxyls at carbon 3 ', 4 ', and 5 ' ), quercetin ( hydroxyls at positions 3 ' and 4 ' ), and kaempferol ( hydroxyl at position 4 ' ), and their glycosides
綠茶含有一些黃酮醇,其基本化學結構為:茶中特有的黃酮醇有楊梅黃酮( 3 ' 、 4 ' 、 5 '碳位上羥基化) 、豕草花粉苷( 3 '和4 '碳位上羥基化) ,莰非醇( 4 '碳位上羥基化) ,以及它們的糖苷物。The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced
2 -羥基苯酮鈦[ ( hmbp ) _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑;雙核催化劑在催化活性方面與對應單核催化劑相差不多,但在聚合規律上表現出與單核催化劑不同的雙核協同作用,如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低,活性在80時出現極值,熔點提高等,而且雙核催化劑是單活性中心催化劑。Reactive aldehydes from lipid peroxidation such as malonaldehyde ( mda ), 4 - hydroxynonenal ( hne ) are responsible for the modification of different biological macromolecular structures and functions by reacting with either sh - groups or amino groups of bio - molecules to form seminercaptals or schiff bases and lead to various aging - related alterations
而我們則進一步提出這些不飽和的醛酮尤其是丙二醛( mda )與4 -羥基壬烯醛( hne )很可能是導致與疾病及衰老相關的老年色素類熒光物質的形成及血液粘度增加的內在原因之一。The peculiarities and the progress in research of production and application of acetoin were described. the chemical synthesis process and the micro - organism fermentation method were also compared
摘要簡述了3 -羥基丁酮的性質以及生產應用方面的研究進展,並對化學合成法與生物發酵法生產3 -羥基丁酮的工藝方法進行了比較。Synthesis of 2, 4, 4 ' - trihydroxybenzophenone
三羥基二苯甲酮的合成Di hydroxy aceto phenone
二羥基苯甲酮The expression vector prep9 was employed for the effective expression of ugt1a9 in chinese hamster lung cells ( chl ). the cell lines established were used for the study of glucuronidation in vitro, and the drug metabolism characteristics were summarized. as has been indicated that ugt1a9 mainly glucuronide hydroxyl, compounds that have aliphatic or phenol hydroxyl were selected for substrates of ugt1a9
由於botiag主要催化羥基的們醛釀綴合反應,本實驗選擇具有不同結構類型的含羥基化合物作為底物,一類是羥基處于芳環的異丙酚和撲熱息痛,其中異丙酚是gylag的專屬性底物,可以作為活性比較的參照,另一類是羥基處于脂鏈的普莢訖爾和普羅帕酮Spectrophotometric determination of trace amounts of molybdenum with 3 - methoxy - 4 - hydroxy phenylflurone
羥基苯基熒光酮光度法測定微量鉬The sjab can be determined in the rang of 0. 32 - 19. 00 ng - ml " 1. ( 3 ) in chapter 3, we reported that the cyclic voltammetric behavior of l - o - allyl - 4 - hdroxy - anthraquinone ( oahaq ) in an aqueous medium and electrochemical characteristic of complex of oahaq and bsa. the complex reaction can be used to probe the interaction between these species and to electrochemical determine bsa
00ug 』 ml 」 』濃度范圍內對r本血吸蟲抗體進行了定量檢測3 )在第3章報導了在l o烯丙基4羥基蔥酮( oahaq )水溶液中加入bsa , omaq的循環伏安行為的變化情況,並可用來探測這些物種之間的相互作用關系以及用Separation of dihydroxyacetone from partial oxidation product of glycerol by ion exchange resin
離子交換樹脂分離甘油部分氧化產物中二羥基丙酮的研究Synthesis of 7 - hydroxyflavonols, 7 - hydroxyflavanones and their derivatives
羥基黃烷酮及其衍生物的合成Chemical company located in the garden city of hubei avenue traffic developed, hubei is one of the key enterprises, the main production of medicines, pesticides intermediate, the main product b chloride, chlorine b chloride, phenol de mdma, 2, 3 - amounts jiben formaldehyde, 2, 3 - two chlorobenzene formaldehyde, 3, 5 - two regards formaldehyde, the benyi methadone, the benyisuan
仙桃市金聯化工有限公司位於交通發達的湖北仙桃,是湖北省重點企業之一,主要生產各種醫藥、農藥中間體,主要產品乙酰氯、氯乙酰氯、對芐氧基苯酚、 2 , 3 -二甲基苯甲醛、 2 , 3 -二氯苯甲醛、 3 , 5 -二羥基苯甲醛、聯苯乙酮、聯苯乙酸。分享友人