acetic anhydride的例句大全

The kinetics of esterification of linalool with acetic anhydride was studied.

研究了芳樟醇与乙酸酐酯化反应动力学.

A analytic method by titration using acetic anhydride as age nt is related in this paper.

所作的工作建立了以乙酸酐为掩蔽剂,用盐酸标准溶液滴定二甲胺中三甲胺含量的分析方法.

Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.

指出在国内用醋酐法代替硫磺法生产氯乙酸的必然趋势.

N-phenyl maleimide was synthesized ring dehydration catalyst of nickel diacetylacetonate ( Ni ( ac ac ) 2 ) by acetic anhydride method.

以乙酰丙酮镍为闭环脱水催化剂,运用改进的醋酐法,合成了N - 苯基 马来酰亚胺.

Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.

用一水硫酸氢钠为催化剂由水杨酸与乙酐酯化合成阿司匹林.

Sulfonated EPDM ionomers ( S-EPDM ) were prepared with concentrated sulfuric acid and acetic anhydride.

用浓硫酸和醋酸酐与三元乙丙橡胶(EPDM ) 反应制备了磺化三元乙丙橡胶离聚物 ( S-EPDM).

New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied.

实验研究了以氯化苄为原料合成药物中间体苯基丙酮的新工艺.

The effects as the dosage catalyzer and acetic anhydride had been studied in new process.

并探讨新工艺中,异构化催化剂的用量、酰化剂醋酐的配比对乙酰甲胺磷的收率的影响.

Corn starch, modified by acid, can be acetylated to starch acetate by treatment with acetic anhydride.

以酸解醋酸淀粉为主要原料,添加增强剂、玉米淀粉和木薯淀粉等原料, 制成了一种新型粘合剂.

Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.

用硫酸乙酐混合物作环合剂,制备了氟嗪酸中间体.

Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong-acid cation exchange resin.

以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.

Amino 4 methoxyl acetylaniline was synthesized acetylization ofp-methoxylaniline with acetic acid and acetic anhydride, then nitration and reduction.

以对甲氧基苯胺为原料,用冰醋酸和醋酸酐作乙酰化剂,经乙酰化 、 浓硝酸硝化、铁粉还原合成了3-氨基-4-甲氧基乙酰苯胺.

Monochloroacetic acid was prepared by using acetic anhydride or sulfur as catalysts to chlorinate acid respectively.

对以醋酐为催化剂和以硫磺为催化剂的醋酸氯化合成氯乙酸的优劣进行了比较研究.

N-Ethyl-N-( β-methoxycarbonylethyl) aniline was purified by acetic anhydride as the acylating agent, the average purity of the product was 98.5% and average yield was 93.8% after purification.

再用醋酐为酰化剂进行精制，精制后产品平均含量为98.5%，收率为93.8%。

Add the crystalline dihydrate ( 5g) to acetic anhydride ( 10?? in a beaker. THE CRYSTAL STRUCTURE OF THE ADDITION COMPOUND OF HEXAMETHYLENETETRAMINE WITH BENZYL CHLORIDE

向盛有10？蟠姿狒？的烧杯内加入5g二水合物结晶。六次甲基四胺与氯化苄加合物的晶体结构

The reaction took place at 120 ℃ by using acetic anhydride as its acylating agent.

以乙酐作酰化剂，120℃反应；

Baeyer-Villiger Reaction with Sodium Percarbonate in acetic anhydride

过碳酸钠-醋酸酐作用下的Baeyer-Villiger反应