查询词典 crafts

They were principally used to catalyze aldol, allylation, Diels-Alder, ene and Friedel-Crafts reactions.

它们主要被用来催化Aldol，烯丙基化，Diels-Alder，Ene和Friedel-Crafts等反应。

Friedel-Crafts alkylation reaction is an important reaction, widely used in organic and pharmaceutical synthesis.

Friedel-Crafts烷基化反应是有机合成和药物合成中的一类重要反应，有着十分广泛的应用。

After more than 130 years,the Friedel-Crafts alkylation is still one of the most studied and most utilized reactions in organic synthesis.

Friedel-Crafts烷基化从最初发展到现在虽然有一百三十年的历史，但它依旧是有机合成中被研究和应用最多的化学反应之一。

THE FIRST TOTAL SYNTHESIS OF TAXAMAIRIN B Taxamairin B, representive of rare naturally-occuring rearrang-ed 9(10→20)-abeo-8, 11, 13-triene diterpenoids, has been firstsynthesized by a eleven-step route in an overall yield of 8.19%,starting from commercially available catechol and 1,3-cyclohexan-dione. The improved Friedel-Crafts annulation, thermodynamicallycontrolled-geminal pairing methylation, the selective oxidation ofallyl group and the selective reduction of the less-hindrancecarbon-carbon double bond are the key steps.

二。美丽红豆杉素B的全合成研究 1，美丽红豆杉素B的首次全合成以价廉，易得的邻苯二酚和1，3-环己二酮为原料，经过改良的Friedel-Crafts烷基化反应，热力学控制的α，β-不饱和酮结构的α一位双烷基化，烯丙位的选择性氧化，以及选择性还原位阻较小的碳碳双键等十一步反应，以8.19％的总收率首次完成了美丽红豆杉素B的全合成。

In The Gamble House, furniture, built-in cabinetry, paneling, wood carvings, rugs, lighting, leaded stained glass, accessories and landscaping are all custom-designed by the architects, in the true hand-crafted spirit of the Arts and Crafts Movement. No detail was overlooked - every peg, oak wedge, downspout, air vent, hardware and switchplate is a contributing part of the single design statement and harmonious living environment. The house is a symphony in wood, with interiors carried out in teak, maple, Port Orford cedar, redwood and oak; each piece artfully selected and hand-rubbed to a satin finish. Iridescent glass adorns doors, windows and light fixtures which change color as the day passes and diffuse subtle patterns of light throughout.

在甘博之家里，家俱，嵌入的细工家俱，嵌版，木头雕刻，毛皮地毯，照明，行间空格特别大的有色的玻璃，附加物件和景观美化都是建筑师设计的惯例，在真正的手工艺Arts and Crafts Movement的精神里，没有一个细部是细看的－每一个栓，橡木楔子，水落管，排气孔，五金器具和电闸开关等是贡献单一的设计说明的部分和和谐的生活环境，这房子是杉木的交响乐，偕同内部的完成以柚木，枫树，Port Orford西洋杉，红杉和橡木﹔每一块熟练地挑选与手工艺到一个缎的完成，彩虹色的玻璃装饰门，窗户和采光设备因时间的经过会改变颜色与扩散遍布光线呈现微妙花样。

Reaction Chemistry of Aromatic Compounds - Electrophilic Aromatic Substitution: Halogenation, Nitration, Sulfonylation and Friedel-Crafts Alkylation and Acylation.

芳香化合物的化学反应--亲电芳香取代反应：卤化，硝基化，磺基化和Friedel-Crafts 烷基化和醯基化。

In this paper six carbazole oxime ester derivatives were synthesized through Friedel-Crafts acylation, oximation and esterification from N-alkyl-carbazole.

以N-烃基咔唑为原料，经Friedel-Crafts 酰化、成肟和酯化反应，合成了6种咔唑肟酯衍生物。

A new synthesizing route for ethyl-2-(p -ethoxyphenyl) propenoate preparation was proposed, in which, the ethyl-2-(p-ethoxyphenyl) propenoate was synthesized from phenetole via Friedel-Crafts reaction and Wittig G reaction.

设计了一条以苯乙醚为起始原料，经过Friedel-Crafts反应、WittigG反应合成2-对乙氧基苯基丙烯酸乙酯的新路线。

As a key step of the synthesis, the Friedel-crafts acylation was researched. And the optimal operation variables were determined through orthogonal experiment: when 0.lmol acetanilide, 0.26mol aluminum chloride, 0.12mol propionyl chloride and 200ml carbon disulfide are introduced, and the reaction time is 5 hour, the yield can be up to 57.3%. The solid super acid catalyst was preliminary studied. Four solid super acid catalysts were prepared to take the place of aluminum chloride, and it was indicated that AlCl3 acidic resin can better catalyze the Friedel-Crafts reaction of acetanilide.

对合成路线中的Friedel-Crafts酰基化反应进行了研究，运用正交实验设计确定了最佳工艺条件：当乙酰苯胺用量为0.1mol时，AlCl_3用量为0.26mol、丙酰氯用量为0.12mol、溶剂用量为200ml、反应时间为5h，产率可达到57.3％；对于固体超强酸催化剂进行了初步研究，合成了四种催化剂，其中负载AlCl_3强酸性树脂对于乙酰苯胺的Friedel-Crafts酰基化具有一定的催化活性。

The main work of the article was to synthesize a suitable monomer, bis(4-carboxyphenyl)phenyl phosphine oxide, as the retardant for poly fibre. The procedures were divided into three steps: dichloride phenyl phosphine oxide was synthesized and bis(4-methyl phenyl)phosphate oxide was prepared from DCPP by Friedel-Crafts reaction.

双苯基氧化膦是一种适用于PET纤维阻燃改性的新型有机磷阻燃剂，本文主要研究了其合成工艺，整个合成路线分为三步，通过Friedel-Crafts烷基化反应制备了苯基二氯化膦，进而通过Friedel-Crafts酰基化反应合成了双苯基氧化瞵，经氧气、高锰酸钾氧化得到了产品BCPPO。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了