戊醇

Dimethicone ,Cyclopentasiloxane,Dimethicone/Vinyl Dimethicone Crosspolymer,Polysilicone-11,Glycoproteins,Panax Ginseng Root Extract,Equisetum Arvense Extract,Silica Dimethyl Silylate ,Bisabolol,Tocopheryl Acetate ,Sodium Hyaluronate,Ursolic Acid,Atelocollagen,Sodium Chondroitin Sulfate,Ethylhexyl Methoxycinnamate,Polyglyceryl-2 Tetraisostearate ,Glycerin ,Water,Alcohol,Butylene Glycol ,Lecithin,Xanthan Gum ,Mica,Fragrance ,Benzyl Alcohol,Linalool ,Hydroxycitronellal,Alpha-Isomethyl Ionone ,Amyl Cinnamal,Hexyl Cinnamal,Palm Tree Extract,Geraniol,Benzyl Benzoate,Butylphenyl Methylpropional,Phenoxyethanol,Methylparaben,Isopropylparaben,Butylparaben ,Isobutyl Paraben,Titanium Dioxide,Carmine

地美司康，环戊硅氧烷，聚二甲基硅氧烷/乙烯基聚二甲硅氧烷交联聚合物，聚硅氧烷-11，糖蛋白，人参根萃取，问荆萃取，二甲基甲硅烷基化硅石，没药醇，醋酸盐维他命E，透明质酸钠，熊果酸，去端肽胶原，硫酸盐软骨素，4-甲氧基肉桂酸-2-乙基己基酯，聚甘油-2 四异硬脂酸酯，甘油，水，酒精，丁二醇，卵磷脂，山羊胶，云母，香料，苯甲醇，沉香醇，羟基香茅醛，α异甲基紫罗酮，戊基肉桂醛，己基肉桂醛，棕榈树萃取，香叶醇，苯甲酸苯甲酯，丁苯基甲基丙醛，苯氧乙醇，羟苯甲酯，羟苯丙酯，羟苯丁酯，二氧化钛，胭脂虫红

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

To improve water solubility of betulin, two acyl groups were introduced at C-3 and C-28 hydroxy groups of betulin. 3, 28-di-O-glutaryl-betulin was synthesized with pyridine as solvent and DMAP as catalyst from betulin and glutaryl anhydride.

为了增强桦木醇的亲水性，对桦木醇的C-3位、C-28位羟基进行修饰，在吡啶作溶剂、二甲基氨基吡啶作催化剂的条件下，与戊二酸酐反应合成桦木醇戊二酸酯。

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

As important industrial chemicals, dihydroxy alcohols are applied for many fields, classical dihydroxy alcohols include l,4BD0, diglycol, NPG, 1,3PDO, HDO and so on. MPO is a kind of new dihydroxy alcohols. Because of its unique molecular structure, 2-methyl-1,3-propanediol is instead of classical dihydroxy alcohols gradually. So MPO has huge market foreground.

二元醇类作为医药、涂料工业的重要中间体应用非常广泛，传统的二元醇有1，4-丁二醇(1，4BDO)、二甘醇、新戊二醇、1，3-丙二醇(1，3PDO)、己二醇等。2-甲基-1，3-丙二醇是一种新型二元醇，由于其独特的分子结构使其在很多方面正逐渐取代传统二元醇，有很大的市场前景，但国内尚无完整地生产工艺。

Firstly, the reactions of glutaric acid, sebacic acid and propargyl alcohol afforded two dipropargylesters:(CH≡CCH_2OCO)_2(CH_2)_3 (compound 1) and (CH≡CCH_2OCO)_2 (CH_2)_8 (compound 2),respectively.

首先，本文分别选用戊二酸，癸二酸与丙炔醇反应得到了两个新的有机二酸二丙炔醇酯：戊二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_3(化合物1)和癸二酸二丙炔醇酯(CH≡CCH_2OCO)_2(CH_2)_8(化合物2)。

Condensation of cyclohexanone and pentaerythritol catalyzed by iodine supported on activated carbon was investigated.

为了研究活性炭负载单质碘催化合成季戊四醇双缩酮催化活性，以季戊四醇和环己酮为原料，合成环己酮季戊四醇双缩酮。

The comparative investigation of synthesizing the polyhydric alcohols, such as pentaerythritol, pentaglycerine, trimethylolpropane, neopentyl glycol and so on are conducted, these compounds are all based on the reaction of cross-aldol condensation.

对季戊四醇、三羟甲基乙烷、三羟甲基丙烷、新戊二醇等基于交叉羟醛缩合反应的多元醇类化合物的合成进行对比研究。

Distearyl pentaerythritol diphosphite has been synthesized with pentaerythritol, triethyl phosphite and stearic alcohol.

以季戊四醇、亚磷酸三乙酯和十八醇为原料，在实验室合成了二硬脂基季戊四醇二亚磷酸酯。

Plant polyprenols, which have similar structure and biological activity to dolichols in human body, are lipids of polymer with isoprenyl units. However, dolichols are key carriers in biosynthesis process of glycosyl derivatives with protein.

植物聚戊烯醇是一类异戊烯基结构聚合体的类脂化合物，与人体内多萜醇具有相似的结构特征和生理活性，而多萜醇是糖基与蛋白质生物合成的关键载体。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。