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己二烯醇

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The selective response of Holotrichia oblita to different plant volatiles (1) By steam distillation and dichloromethane, in the Y-tube olfactometer bioassay, the crude extract from castor-oil plant leaves was obviously attractive to female and male of Holotrichia oblita than cotton, Abutilon theophrasti Medic, control dichloromethane.

该结果表明,蓖麻叶片粗提物中含有引诱华北大黑鳃金龟的化学物质。(2)华北大黑鳃金龟成虫对8种化合物的嗅觉仪行为反应结果表明,无论对雌虫还是雄虫,肉桂醛、邻苯二甲酸二丁酯、苯酚、香草醛、苯甲醛的诱虫活性显著高于顺-3-己烯醇。

Water,Hydrogenated Polyisobutene,Cyclohexasiloxane,Glycerin,Alcohol Denat,Cetearyl Alcohol,PEG-20,Petrolatum,C13-14 Isoparaffin,Zea Mays Oil,Tocopheryl Acetate,Hydroxypropyl Tetrahydropyrantriol,Hydrolyzed Soy Protein,CI 14700/Red 4,Phenoxyethanol,Adenosine,PEG-100 Stearate,Ethylparaben,Triethanolamine,Polyacrylamide,Malus Domestica Stem Cell Culture,CI 19140/Yellow 5,Dimethyl Isosorbide,Dimethicone,Dimethiconol,Limonene,Xanthan Gum,Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate,Linalool,2-Oleamido-1,3-Octadecanediol,Capryloyl Salicylic Acid,Acrylates/C10-30 Alkyl Acrylate Crosspolymer,Passiflora Edulis Seed Oil,Disodium EDTA,Castanea Sativa Seed Extract,Butyrospermum Parkii· Cetyl Alcohol,Butylene Glycol,Octyldodecanol,Cetearyl Glucoside,Methylparaben,Citronellol,Prunus Armeniaca Kernel Oil,Laureth-7,Coumarin,Oryza Sativa Bran Oil,Glyceryl Stearate,Fragrance

水,甘油,氢化聚异丁烯,液体石蜡/矿油,丁二醇,环己硅氧烷,鲸蜡醇,甘油硬脂酸酯,棕榈油,玉米胚芽油,PEG-100硬脂酸酯,白蜂蜡/蜂蜡,肉豆蔻醇肉豆蔻酸酯,石蜡,香精,腺苷,苧烯,山梨醇,CI 14700,CI 19140,稻糠油,杏仁油,EDTA二钠,羟丙基四氢吡喃三醇,苯氧乙醇,聚乙二醇-14M,异十六烷,氢氧化钠,辛基十二醇,季戊四醇四(双-t-丁基羟基氢化肉桂酸)酯,山梨坦三硬脂酸酯,水解大豆蛋白,卡波姆,鸡蛋果籽油,苹果果实提取物,欧洲栗籽提取物,异山梨醇酐二甲醚,聚山梨醇酯-80,辛酰水杨酸,2-油酰胺基-1,3-十八烷二醇,氯苯甘醚,麦芽糖醇,香豆素,黄原胶,微晶蜡,丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物,丙二醇,芳樟醇,香茅醇,玉米油,羟苯丙酯,羟苯甲酯

The major volatiles of Sansa were E-3-Hexen-1-ol (14.74%), Formic acid and hexyl ester (9.52%) and they were all more than that in other varieties relatively. The major volatiles of Red Chief Delicious were 4-methyl-1, 3-pentadiene (16.37%) and Z-3-Hexen-1-ol, acetate (10.27%) and were also more than that in other varieties.

珊夏枝条挥发物主要成分(E-3-己烯-1-醇、甲酸己酯)的相对含量(14.74%,9.52%)均多于其他品种;首红枝条挥发物主要成分(4-甲基-1,3-戊二烯、乙酸叶醇酯)的相对含量(16.37%,10.27%)均多于其他品种。

Chapter 4: Synthesis of 1,5-diary 1-1,4-pentadien-3-ones from acetone or benzalacetone with aromatic aldehydes results in 86-97% yield with potassium hydroxide as catalyst under ultrasound irradiation in 5-60min.

为合成氰基环己醇找到一条方便高效的合成方法。第四章:研究了超声辐射下,以氢氧化钾为催化剂,芳香醛与丙酮及亚苄基丙酮之间反应合成1,5-双苄基-1,4-戊二烯-3-酮。

Water,caprylic/capric triglyceride,mineral oil,butylene glycol,stearic acid,acetylated lanolin,glycerin,ethylhexyl methoxycinnamate,dimethicone,polyisoprene,triethanolamine,cyclopentasiloxane,butyl methoxydibenzoylmethane,titanium dioxide,persea gratissima oil unsaponifiables,sodium DNA,borago officinalis seed oil,oenothera biennis oil,simmondsia chinensisseed oil,hydrolyzed RNA,tocopheryl acetate,urea,hydrolyzed extensin,retinyl palmitate,sodium hyaluronate,helianthus annuusseed oil,tocopherol,ascorbyl palmitate,ascorbic acid,lanolin alcohol,c12-20 acid peg-8 ester,cyclotetrasiloxane,glyceryl stearate,dimethiconol,ceteareth-20,carbomer,magnesium aluminum silicate,propylene glycol,peg-8,silica,BHT,citric acid,phenoxyethanol,methylparaben,butylparaben,ethylparaben,isobutylparaben,propylparaben,chlorhexidine digluconate

水,辛酸/癸酸三酸甘油酯,矿物油,丁二醇,硬脂酸,乙醯化羊毛脂,甘油,4-甲氧基肉桂酸-2-乙基己基酯,地美司康,聚异戊烯,三乙醇胺,环戊硅氧烷,丁基甲氧基二苯甲醯基甲烷,二氧化钛,酪梨油,DNA 钠盐,琉璃苣種子植物油,月见草油,荷荷巴籽油,水解RNA,醋酸盐维他命E,尿素,水解伸展蛋白,维他命A酯,透明质酸钠,葵花籽油,维生素E,抗坏血酸棕榈酸酯,维生素C衍生物,羊毛脂醇,C12-20 酸 PEG-8酯,环四硅氧烷,甘油硬脂酸,聚二甲基硅氧烷醇,鲸蜡硬脂醇醚-20,卡波姆,硅酸镁铝,丙二醇,聚乙二醇-8,二氧化硅,二丁基羟基甲苯,柠檬酸,苯氧乙醇,羟苯甲酯,羟苯丁酯,羟苯乙酯,羟苯甲酸异丁酯,羟苯丙酯,洗必泰葡萄糖酸盐

Aroma components of Hexylalcohol,Benzeneethanol,Butylalcohol,Pentylalcohol, ethyl acetate, Lactic acid ethylester, Butanedioic acid,diethylester, isopentylacohol acetate, acetic acid hexylester, acetic acid phenethylester, hexanoic acid ethylester, ethyl caprylate, decanoic acid ethylester, octanoic acid, linalool andα-terpineol were identified in former kiwi wine reports.

本试验首次在猕猴桃酒中发现了油酸乙酯,棕榈酸乙酯,9-癸烯酸,肉豆蔻酸乙酯,月桂酸乙酯,香茅醇,法呢醇,异薄荷酮香气物质,目前国内外资料中报道的猕猴桃酒香气物质—己醇,苯乙醇,丁醇,戊醇,乙酸乙酯,乳酸乙酯,琥珀酸二乙酯,乙酸异戊酯,乙酸己酯,乙酸苯乙酯,己酸乙酯,辛酸乙酯,癸酸乙酯,辛酸,芳樟醇,α-松油醇等均在本试验研究中也检测出,并得到证实。

Firstly, 3-ethylthiobutanal was prepared from crotonaldehyde reacting with ethanehiol in triethylamine with high yield. Secondly, methyl acetoacetate was converted to 6-ethylthiohept-3-en-2-one by three steps via hydrolysis, condensation with 3-ethyltio-butanal and dehydration, then 6-ethylthiohept-3-en-2-one was cycloco ndensed with dimethyl malonate by Michael addition and Claisen condensation, followed by saponification and decarboxylation to give the intermediate of 5-(2-ethylthiopropyl)-cyclohexane-1,3-dione.

首先,以巴豆醛与乙硫醇为原料,在三乙胺的催化作用下高收率制得3-乙硫基丁醛;然后从乙酰乙酸甲酯出发,通过碱水解、与3-乙硫基丁醛缩合、脱水三步反应合成6-乙硫基-3-烯-2-庚酮,接着6-乙硫基-3-烯-2-庚酮与丙二酸二甲酯通过Michael加成和Claisen缩合成环,再通过皂化和脱羧反应生成中间体5-[2-丙基]-1,3-环己二酮;再与丙酸酐反应丙酰化,最后与0-3-氯-2-丙烯基羟胺肟化,得到目标化合物烯草酮。

Aiming at demand of national economy and linking the actual condition of domestic refinery chemical , a routine with cyclohexene as main raw material was developed in the thesis.

本文针对国民经济发展的需求,结合我国精细化工行业的实际,进行了以环己烯为主要原料,合成1,2-环己二醇的研究。

A series of 3 - aryl - 3 -( 5,5 - dimethyl - 3 - hydroxy - 2 - cyclohexene - 1 - one - 2 - yl) propanoic ester s were synthesized by reaction between aromatic aldehydes ,5,5- dimethyl -1,3-cyclohexanedione and isopropylidene malonate catalyzed by KF - Al2O3 in alcohols.

在KF-Al_2O_3催化下,将芳香醛3,5-二甲基-1,3-环己二酮及丙二酸亚异丙酯在醇中反应,一锅式合成了一系列的3-芳基-3-(5,5-二甲基-3-羟基-2-环己烯-1-酮-2-基)丙酸酯。

Formic acid, hexyl ester and Z-3-Hexen-1-ol were preliminarily confirmed to be the important substances for attracting woolly apple aphid, but 4-methyl-1, 3-pentadiene and Z-3-hexen-1-ol, acetate were not.

初步确定,E-3-己烯-1-醇、甲酸己酯可能是对苹果绵蚜有较强引诱作用的重要物质;4-甲基-1,3-戊二烯、乙酸叶醇酯不是引诱苹果绵蚜的物质。

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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。