深入研究了红霉素的肟化反应。
探讨一种无吡啶盐酸羟胺肟化法测定肉桂醛的可行性。
A classical method to determine the content of cinnamaldehyde is called hydrochloride hydroxylamine-pyridine oximation.
并在此基础上总结了半经验公式,可用于肟化塔的设计和操作分析。
The semi-empirical correlations were proposed based on the experimental data, which could be used for operation analysis of the oxime tower.
报道了由苯酚经过乙酰化、肟化、重排反应合成扑热息痛的一种新方法。
This paper reports a new process of synthesizing paracetamol from phenol by acetylization, oximation and Beckmann rearrangement.
红霉素碱经肟化、保护再经甲基化、脱保护得到克拉霉素,总收率达40 %以上。
Clarithromycin was prepared from erythromycin a through oximation, protection, methylation and deprotection. The overall yield of clarithromycin was 40%.
该工艺肟化收率在90%以上,产品中乙醛肟含量大于35%,相对纯度高于95%。
The synthetic ratio was over 90%, content of acetaldoxime was over 35% and relative purity of the product was over 95%.
以对三氟甲基苯胺为原料,经重氮化、肟化、水解制得对三氟甲基苯甲醛,收率35。
The starting reagent, p-trifluoromethylaniline, was subjected to diazotization, oximation, and hydrolyzationto synthesize p-trifluoromethyl benzaldehyde, with a total yield of 35.
以乙酰乙酸叔丁酯为原料,经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
本文介绍了2 -丁酮肟化法及异丁醛气相氧化法合成丁二酮,并对其影响因素进行了讨论。
In this paper the synthesis processes by 2 butanone oximation and gas phase oxidation of isobutyraldehyde were introduced. The influence factors in the process were discussed.
对结构类似物阿维菌素B_1的交叉反应率为51%,与米比菌素肟化物的交叉反应率小于0.2%。
The cross reactivities for avermectin B_1 was 51% and for milbemycin oxime was less than 0.2%.
以对羟基苯乙酰胺为原料,经烷基化、水解、酯化、氧肟化等4步反应合成丁苯羟酸,总收率为46.5%。
With pHydroxybenzeneactamide as the starting material, the Bufemaxac was prepared by means of four steps reaction of alkylation, hydrolyzing, esterification and Ooximation with total yield of 46.5%.
HPO法生产己内酰胺是应用最广泛的己内酰胺合成工艺,该生产流程主要包括环己酮制备,环己酮肟化和重排三大工序。
HPO process which is composed of cyclohexanone preparation, hydroxylamine oximation and cyclohexanone-oxime rearrangement has been applied widely in Caprolactam Industry.
首先通过液相吸附实验考察了TS - 1对几种酮的吸附量,然后考察了TS - 1催化的酮的氨肟化反应,最后对吸附实验后和反应后的催化剂分别进行了TGA分析。
Absorbed amounts of ketones on TS-1 were determined by the liquid-phase-adsorption experiment, and then the TS-1 samples after absorption were analyzed by TGA.
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料,经活性亚甲基烃化、成肟和水解3步反应得7-氯-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;
西司他丁钠的合成以乙酰乙酸乙酯和1-溴-5-氯戊烷为原料,经活性亚甲基烃化、成肟和水解3步反应得7-氯-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;
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