The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.
以一氯丙酮、甲钠和甲醇为原料经酯化与醇解两步合成羟基丙酮,研究条件对相转移催化酯化以及醇解蒸馏过程影响。
The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.
以一氯丙酮、甲钠和甲醇为原料经酯化与醇解两步合成羟基丙酮,研究条件对相转移催化酯化以及醇解蒸馏过程影响。
The isopropyl chloracetate was synthesized by esterification of chloracetic acid with isopropyl alcohol using aluminium phosphotungstate as catalyst.
以氯乙和异丙醇为原料,磷钨铝作催化剂进行酯化,合成氯乙异丙酯。
Tower type parallel impellent flow technique was used to build overlarge capacity esterification reactor.
聚友公司采用塔式平推流技术建设超大容量酯化器;
Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。
It is possible to predict and controll the conversion rate of esterifications such as acrylic acid with dodecanol,tetradecanol and hexadecanol by this equation.
该回归方程在自变量回归范围内适用于丙烯与十二醇、十四醇、十六醇酯化转化率预测和制上。
A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.
以重氮甲烷为酯化剂,用气相色谱法对氯乙生产分析进行研究。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多为催化剂,以从二羧分离出戊二酐和异戊醇为原料合成戊二二异戊酯。
In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.
报道以对羟基苯乙为原料,经过苄基化、酯化、还原、甙化等步骤合成红景天甙一种方法.
Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.
以乙烯酮和丙酮为原料,用强性离子交换树脂代替浓硫作为催化剂,直接酯化合成乙酰丙酮间体乙异丙烯酯。
The studies on the perferable conditions for synthesizing diglycol dioleate, by the esterification of diglycol monoleate with oleic acid via acid catalysis, were reported.
研究以二甘醇单油酯和油作原料进行催化酯化合成二甘醇双油酯适宜条件。
In esterification and crosslinking modification of Konjac Glucomannan (KGM) with sodium trimetaphosphate (STMP),best results were obtained in the following conditions;
三偏磷钠为魔芋葡甘聚糖进行酯化交联改性。结果表明,最佳条件为三偏磷钠;
N-phosphoryl amino acids could be catalyzed by imidazole to result in solvolysis such as ester exchanges on phosphorus, esterification, formation of peptides and N→O migration of the phosphoryl group.
咪唑对磷酰化氨基活化具有较强催化作用,磷酰化丝、苏氨在咪唑催化下不仅能发生溶剂解,如磷上酯交换、羧基活化成酯、成肽及磷酰基N→O迁移等,而且还会发生分子内环化;
A planar tetradentate dinuclear ligand, 3, 5-bis(2-pyridyl) pyrazole, was synthesized by a three-step reaction of esterification, condensation and addition.
以2-吡啶甲为原料,经酯化、缩合、加成合成平面四齿双核配体3,5-二(2-吡啶基)吡唑。
The oxidation,displacement and esterification of aromatic amines,aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed.
综述过硼钠与芳胺、芳酰胺、有机硼化物、醛等化合物氧化,取代、酯化。
The esterification of palmic acid and 1,4-butanediol was carried out in the (DBSA)/palmic acid/water microemulsion system,resulting in the synthesis of 1,4-butanediyl diester of palmic acid.
在棕榈/十二烷基苯磺(DBSA)/水微乳液,研究DBSA催化下棕榈和1,4-丁二醇酯化,合成标题化合物。
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