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炔丙基

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Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

主要经营:盐酸氢亚胺、邻氯苯基环戊酮、3.4二甲氧基苯乙酯、丁炔二酸单钾盐、丙二酸单乙酯钾盐、丁酰胺、异丁酰胺、氯乙酸烯丙酯、氯乙酸苄酯异丙醇铝、环戊烯、邻氯苯氰、邻氯苯甲酯氯、硫酸氯、对氯苯酚、咪唑、频呐酮、一氯频呐酮。

Aloe vera, Rosehip oil, Glycerin, Almond oil, Cetearyl wheat straw glycosides and cetearyl alcohol, Evening primrose oil, Jojoba oil, Glycerol stearate, Cocoa butter, Avocado oil, Carrot oil, Shea butter, Eyebright, Vitamin E, Grapefruit seed extract, Phenoxyenthanol, Iodopropynol butylcarbamate.

芦荟,野玫瑰果籽油,甘油,杏油,麦秸鲸蜡硬脂基葡糖苷和十六烷基醇,月见草油,霍霍巴油,甘油硬脂酸盐,可可脂,鳄梨油,胡萝卜油,牛油树脂,小米草,维生素E,葡萄籽精华素,苯氧乙醇,碘代丙炔基氨基甲酸丁

Water, Sweet almond oil, Cetearyl wheat bran glycosides and cetearyl alcohol, Hydrogenated jojoba oil, Zinc oxide, Rosehip oil, Evening primrose oil, Macadamia nut oil, Calendula oil, Honey, Camellia oil, Rose geranium oil, Frankincense oil, Lavender oil, Grapefruit seed extract, Vitamin E,marshmallow root,ginkgo bilboa, Phenoxyethanol, Iodopropynyl butylcarbonate.

水,甜杏油,麦秸鲸蜡硬脂基葡糖苷和十六烷基醇,氢化霍霍巴油,氧化锌,野玫瑰果籽油,月见草油,澳洲坚果油,金盏菊油,蜂蜜,山茶油,老鹳草玫瑰油,乳香油,薰衣草油,药属葵根,百果树,苯氧乙醇,碘代丙炔基氨基甲酸丁

Water, glycerin and glyceryl stearate SE, cetearyl wheat straw glycosides, cetearyl alcohol, rosehip oil, evening primrose oil, jojoba oil, almond oil, aloe vera, carrot oil, orange flower oil, grapefruit seed extract, vitamin e, chamomile oil, rose geranium oil, frankincense oil, lavendar oil, phenoxyethanol, iodopropynyl butylcarbamate

十六烷基醇,野玫瑰果籽油,月见草油,霍霍巴油,杏仁油,芦荟,胡萝卜油,橙花油,葡萄籽精华素,维生素E,甘菊油,玫瑰老鹳草油,乳香油,熏衣草油,苯氧乙醇,碘代丙炔基氨基甲酸丁。

During these years (1997-2000) in the research area of annonaceous acetogenins 5 natural products and a number of chiral-pure analogs of annonaceous acetogenins have been synthesized using sugars as the starting materials. Their high activity and selectivity against cell line of colon tumor and a relationship between activity and configuration have been found too. In the respect of inhibitor of sialidase two new methodologies for the synthesis of chiral-pure 3-deoxy-ulosonic acid using hetero-Diels-Alder reaction or asymmetric propargylation as the key reaction were developed. On the topic of anti-leukemia marine natural product clavulactone a synthetic method based on the free radical cyclization and starting from sugar has been developed. In other title of PKC inhibited agent sphingosine a new synthetic route with SN2' as the key reaction has also been disclosed.

项目期间(1997-2000)在番荔枝内酯方面从糖出发合成了五个天然产物和一批手性纯的类似物,它们对肠癌细胞有很高的活性和选择性,并与构型有关;在唾液酸酶抑制剂方面发展了二类全新手性纯高碳糖的合成方法-杂原子D-A反应或丙炔基不对称加成为关键的反应;抗白血病海洋天然产物群柱虫内酯方面研究了由糖出发和自由基环化反应的合成方法;对PKC 起抑制作用的鞘氨醇方面也开创了新的合成途径-由糖出发并以SN2'反应为关键反应。

Purified water, Vegetable glycerine, Avocado oil, Cetearyl wheat straw glycosides and cetearyl alcohol, Vegetable glycoerol stearate, Evening primrose oil, Rosehip oil, Calendula oil, Vitamin E, Vitamin A palmitate, Green tea leaf extract, Ginkgo biloba extract, Grapefruit seed extract, 100% natural fragrance (essential oil blend of orange blossom, ylang ylang, rose, jasmine, tonka bean), phenoxyethnol, Iodopropynyl butylcarbamate.

纯水, 蔬菜甘油,鳄梨油,麦秸鲸蜡硬脂基葡糖苷和十六烷基醇,蔬菜银杏硬脂酸,月见草油,野玫瑰果籽油,金盏菊油,维生素E ,维生素A棕榈酸酯,绿茶叶提取物,银杏叶提取物,葡萄柚籽提取物, 100 %天然香料(精油混合橘子的花,依兰依兰,玫瑰,茉莉花,零陵香豆),苯氧乙醇,碘代丙炔基氨基甲酸丁

The reactions of benzaldehydes bearing an ortho substituent group on the phenyl ring with propargyl bromide may yield a mixture of regioisomers (homopropargyl and homoallenyl alcohols) or a single homoallenic alcohol due to the steric effect.

邻位上的取代基由于位阻原因往往使反应得到含有高丙二烯醇和高炔丙醇的混合物或者单一的高丙二烯醇。

The diblock copolymer of styrene and chloromethyl-4-vinyl-benzene was obtained by means of reverse addition fragmentation chain transfer reaction living free radical polymerization. The chloromethyl groups in PS-bPCVB were transformed into azidomethyl groups, and then into 1,2,3-triazol groups via click chemistry. The diblobk copolymer containing 1,2,3-triazol groups was thus obtained. The results from NMR spectra suggested a complete transformation from chloromethyl groups to triazol groups.

通过RAFT活自由基聚合方法制备聚(苯乙烯-b-对氯亚甲基苯乙烯)二嵌段共聚物,其中的氯亚甲基侧基经叠氮化反应后与丙炔醇进行点击反应,最终获得了含有1,2,3-三氮唑官能团的聚苯乙烯二嵌段共聚物,核磁共振谱表征结果证明,PS-b-PCVB中的氯亚甲基完全转变成了1,2,3-三氮唑基团。

The diblock copolymer of styrene and chloromethyl-4-vinyl-benzene was obtained by means of reverse addition fragmentation chain transfer reaction living free radical polymerization. The chloromethyl groups in PS-b-PCVB were transformed into azidomethyl groups, and then into 1,2,3-triazol groups via click chemistry. The diblobk copolymer containing 1,2,3-triazol groups was thus obtained. The results from NMR spectra suggested a complete transformation from chloromethyl groups to triazol groups.

通过可逆加成-断裂链转移聚合活性自由基聚合方法制备了聚(苯乙烯-b-对氯亚甲基苯乙烯)二嵌段共聚物,其中的氯亚甲基侧基经叠氮化反应后与丙炔醇进行点击反应,最终得到了含有1,2,3-三氮唑官能团的聚苯乙烯二嵌段共聚物,核磁共振谱表征结果证明,PS-b-PCVB中的氯亚甲基完全转变成了1,2,3-三氮唑基团。

The result of potassium malonyloxyborohydride as a new hydroboration reagent reacts with terminal alkenes and alkynes is described.

介绍新的硼氢化试剂丙二酰氧基硼氢化钾与链端烯炔烃的作用,烯烃的硼氢化物在PTC条件下,插入∶CCl2 ,可得饱和羧酸;炔烃则难以与之硼氢化。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。