查询词典 benzyl-beta-phenylacrylate

The study on the technology and kinetics of chlorination of benzyl chloride is rather essential to the design of reactive distillation column in that the new technology about combination of reaction and distillation is used in the production of benzal chloride.

因为拟采用新型反应精馏耦合技术进行苄叉二氯的生产，研究氯化苄氯化工艺和动力学对于反应精馏塔的设计很有必要。

Using benzyl chloride and chlorine as starting materials, benzal chloride is prepared through photo-chlorination in loop reactor.

采用环流反应器、以氯化苄和氯气为原料进行光氯化反应，制备苄叉二氯；将制得的苄叉二氯粗品进行真空精馏得到高纯度的精品；然后用一种新型醇胺类相转移催化剂，分别以盐酸和水作为介质，在 90～ 110℃水解后得到了高纯度的苯甲醛。

Synthesis of benzylamine: benzyl/NH3.H2O=l: 2.5?

0%收率：87。 9%；&CMP&合成：&NBNA&/三氯氧磷/DMF/氯苯=1：2。

Grasp the electron delocolization theory; be capable of judging the relative stability of allylic and benzylic free radicals and carbocations, know the relative stability of dienes and other multiple unsaturated hydrocarbons; grasp the characteristics for the nucleophilic substitution reactions of allyl halides and benzyl halides, and the addition reactions of conjugate dienes.

掌握电子非定域化理论；能够分析判断烯丙基、苄基自由基和正离子的稳定性和二烯及多重不饱和碳氢化合物的稳定性；掌握烯丙基、苄基卤代物的亲核取代反应特性和共轭二烯的加成反应。

A novel method of deprotection of benzyl and benzylidene acetal groups with K/tBuNH2/tBuOH/THF/18-crown-6 system was discovered and investigated.

四、发现并开发了K/〓BuNH〓/〓BuOH/THF/18-crown-6体系脱苄基和缩苯甲醛的反应，提出了可能的反应机理。

Five types of compounds were synthesized via modification of the leading compounds, Mannich bases of cyclopentanones. Among the target compounds, one type was aromatic amine derivatives of a leading compound, three were Mannich bases of a - benzylidene cyclopentanone, the fifth was a Mannich base of a - benzyl cyclopentanone.

以具有抗炎活性的环戊酮Mannich碱为先导化合物进行结构改造，设计合成了一类已知化合物的芳胺Mannich碱衍生物，三类α-苯亚甲基环戊酮Mannich碱类化合物，一类α-苄基环戊酮Mannich碱类化合物。22个目标化合物的结构经核磁共振氢谱、红外光谱和质谱检测确证。

Aqua, Oryza sativa, Stearic Acid, Glycol Stearate, Propylene Glycol, Sesamum Indicum Oil, Sodium Cocoamphoacetate, Prunus Amygdalus Dulcis Oil, Glyceryl Stearate SE, Laneth-15, Benzyl Alcohol, Bertholletia Excelsa Nut Oil, Panthenol, Parfum, Tocopheryl Acetate, Sodium Chloride, Phenoxyethanol, Creatine, Sodium Hydroxide, Methylparaben, Retinyl Palmitate, Butylparaben, Ethylparaben, Hydrolyzed Lepidium Meyenii Root, Isobutylparaben, Propylparaben, 1,2-Hexanediol, Capryloyl Glycine, Caprylyl Glycol, Citric Acid.

成分秘鲁人参精华及肌氨酸给予肌肤活力，紧致光滑肌肤大米精华温和的去除表面死皮，让肌肤看起来健康有活力有机芝麻油是极好的保湿成分，能很好的软化肌肤，特别是敏感皮肤。天然类脂作用于脂肪酸，修复并帮助储存肌肤能量，为肌肤铸造天然的防护层，防止水分及营养流失。

In this paper,- and (5)-2,2'-diethynyl-1,1'-binaphthyl with highly stable chiral configurations were employed as structural templates, and a new type of helical cyclophane compounds-3 and-3 were synthesized in enantiopure form by the introduction of benzyl sulfone through Sonogashira coupling reaction, followed by the treatment of disulfone with lithium diisopropylamide.

基於2，2'-二取代的联萘衍生物在手性构型上高度稳定的特点，分别从光学活性的-和-2，2'-二乙炔基-1，1'-联萘结构模板出发，通过Sonogashira偶连反应导入苄基碸，然后用二异丙基氨基锂处理制得的联萘二碸成功地合成了一种新的螺旋环芳分子－对映异构体-3和-3。

Bromcresol burple - hexadecyldimethyl benzyl ammonium bromide spectrophotometry was used in the determination of anion surface active agent in wastewater from lotion industry or sewage.

采用溴甲酚紫-十六烷基二甲基苄基溴化铵法测定洗涤剂工业的生产废水或生活污水中阴离子表面活性剂的含量。

reitman method to measure ALT and AST; bilirubin oxidase method to measure total bilirubin and conjugated bilirubin; biuret method to measure serum general protein; bromocresol purple method to measure serum albumin; enzymic colorimetric method to measure serum bile acids; benzyl aldehide azo naphthol method to measure monoamine oxide.

赖氏法。测定 ALT 和 AST；胆红素氧化酶法测定总胆红素和结合胆红素；双缩脲法测血清总蛋白；溴甲酚紫法测定血清清蛋白；酶比色法测定血清胆汁酸；苄醛偶氮萘酚法测定单氨氧化酶

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！