• 比较了乙酰乙酰中间体硝基安定收率影响

    The effect of chloroacetyl chloride and bromoacetyl bromide on yields of intermediates and nitrazepam was compared.

    youdao

  • 主要产品亚磷酸乙酰甲酰

    The main products are: -phosphate, chloride, the ring has chloride.

    youdao

  • 采用乙酰产物为原料合成复合水质稳定剂

    The compound stabilizer of water is synthetized from the by product in production of acetyl chloride.

    youdao

  • 介绍了环氧基聚酯的测定方法乙酰

    A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.

    youdao

  • 乙酰氯醇醇转化,进行相色谱法定量分析

    ChloroaceWl chloride, transformed into ester by alcoholysis with ethanol, was quantitatively analyzed by gas chromatography.

    youdao

  • 乙酰氯一种新型中间体广泛应用于医药农药材料领域

    TFAC is a new fluorine-containing intermediates, which was widely used in medicine, pesticides, fluoride materials and other fields.

    youdao

  • 介绍了乙酰氯性质标准用途生产工艺及其下游产品合成方法应用领域

    The character, standard, use and production process of chloracetyl chloride was introduced. In addition, the synthetic process and application of it's downstream products was introduced too.

    youdao

  • 浙江新安化工集团公司草甘磷、乙酰项目工艺流程图制作管路单线制图工作

    Zhejiang Xinan Chemical (Group) Company Roundup Ready, triclosan chloride item process map production and pipeline line diagrams mapping;

    youdao

  • 介绍乙酰的生产概况,叙述了乙酰氯医药农药领域应用情况以及乙酰氯市场前景

    This paper gives a brief introduction on chloroacetyl chloride such as its preparation, application in medicine and pesticide fields, and it's market prospect.

    youdao

  • 实验盐酸三乙胺-三化铝离子液体IL催化剂,催化水杨酰胺(SA乙酰进行傅克酰基化反应合成5乙酰水杨酰胺。

    Friedel-Crafts acetylation of salicylamide(SA) with acetyl chloride to 5-acetylsalicylamide using triethylammonium chloroaluminate ionic liquid(IL) as both catalyst and solvent was investigated.

    youdao

  • 在连续流动固定反应器上,以氧气氧源,活性炭作为催化剂用于催化氧化三氟二乙烷HCFC-123)制备三氟乙酰TFAC)的反应

    Activated carbon was used as the catalyst for catalytic oxidation of 1,1-dichloro-2,2,2-trifluoroethane(HCFC-123) to trifluoroacetyl chloride(TFAC) in fixed bed reactor.

    youdao

  • 甲草胺草胺均乙酰胺类除草剂它们水田中活性极高

    Metolachlor and acetochlor are belong to acetanilide herbicides, they have high activity in rice field.

    youdao

  • n-乙酰取代苯并杂环化合物通过硫键的形成导入嘧啶结构。

    Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.

    youdao

  • 主要介绍了几种乙酰胺类除草剂微生物降解机制相关降解酶

    This review introduces the current knowledge about the microbial degradation mechanisms and enzymes of chloroacetanilide herbicides.

    youdao

  • 乙酰胺、醋甲唑胺、双胺等碳酸酐抑制剂自1954年起就应用青光眼眼压治疗。

    Carbonic anhydrase inhibitors (CAIs) were first used to lower intraocular pressure (IOP) in glaucoma in 1954, with the introduction of acetazolamide, methazolamide and diclofenamide were subsequently.

    youdao

  • 本文研究了乙酰胺类除草剂薄层分离显色定量方法

    Thin-layer separation, color and quantitation method for the analysis of chloroacetamide herbicides was studied.

    youdao

  • 乙酰乙酸叔丁原料,经过化、化、代酯解反应合成了头孢克

    Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.

    youdao

  • 乙酰硝化反应引入了1,2 -二乙烷溶剂

    In the reaction of acetylation and nitration 1, 2? Dichloroethane was used as solvent.

    youdao

  • 通过对利用发明方法制备的6-酰基蔗糖乙酰可以制备蔗糖,强力甜味剂半乳蔗糖。

    Chlorinated sucrose, the high intensity sweetener trichlorogalactosucrose can be prepared by chlorination and deacylation of 6-acyl sucrose prepared by the process of this invention.

    youdao

  • 蔗糖起始原料羟基选择性保护、脱乙酰基等3化学反应合成三蔗糖;

    Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);

    youdao

  • 西他丁合成乙酰乙酸1-溴-5-戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7--2-氧庚酸乙酯;

    The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

    youdao

  • 乙酰巴比无水乙酸存在下环合后不同芳香缩合合成噢类化合物

    In existence of the anhydrous sodium acetate using 5 chloroacetylbarbituric acid to cyclize and condense with different aromatic aldehydes to synthesize a series of aurones.

    youdao

  • 反应混合物可以进一步酯化重排制备维生素A中间体1--2-甲基-4-乙酰氧基-2-丁烯。

    The reaction mixture then undergo esterification and rearrangement reaction to prepare 1-chloro-2-methyl-4-(acetyloxy)-2-butene, which is a important intermediate of vitamin A.

    youdao

  • 反应混合物可以进一步酯化重排制备维生素A中间体1--2-甲基-4-乙酰氧基-2-丁烯。

    The reaction mixture then undergo esterification and rearrangement reaction to prepare 1-chloro-2-methyl-4-(acetyloxy)-2-butene, which is a important intermediate of vitamin A.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定