对麦草碱木质素和木材硫酸盐木质素的氧化氨解反应进行研究。
Oxidative ammonolysis reaction of wheat soda lignin and wood kraft lignin was studied.
吡咯烷酮经N烷基化、氨解反应合成了乙拉西坦,总收率42.6%。
Etiracetam was synthesized from 2-pyrrolidone by N-alkylation and aminolysis. The overall yield was 42.6%.
一般来说,含磷杂环化合物的水解反应和醇解反应较氨解反应容易发生。
It is generally noted that hydrolysis or alcoholysis of phosphorus heterocycles are favoured over aminolysis.
吲哚-3-乙酸经催化氢化,甲酯化和氨解反应得到吲哚瞒-3-乙酰胺(9);
Firstly, indoline - 3 - acetamide ( 9) was prepared from indole - 3 - acetic acid by catalytic hydrogenation, esterification and aminolysis.
讨论了以草酸二乙酯为原料,经过克莱森缩合、环合、氨解反应合成5甲基异唑3甲酰胺工艺的改进。
This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
通过对对羟基扁桃酸氨解反应有关影响因素的研究,改进了氨解反应的条件,提高了反应收率,为其工业化生产提供了依据。
The synthesis ofp-hydroxyphenylglycine is studied under different conditions. The overall yield is 92% and this method provided basis for industrialization.
筛选以2-溴代丁酸为起始原料,经氨解,酯化,酯胺解,拆分,环合五步反应制得左乙拉西坦。
Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2-溴代丁酸为起始原料,经氨解,酯化,酯胺解,拆分,环合五步反应制得左乙拉西坦。
Screening for 2 - bromo- butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
以蛋氨酸为原料经还原脱硫甲基化、酯化、氨解、酰胺化及分子内缩和成环4步反应合成得到了左乙拉西坦,总收率44.6%。
Levetiracetam was prepared from L-methionine via reduction-dethiomethylation, esterification, ammonolysis, amidation and intramolecular cyclocondensation reaction with 44.6% overall yield.
方法:以对硝基苯甲酰氯为原料,经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
方法以1,4-丁烯二醇为原料,经过酯化、环氧化、氨解开环,再与四碘对苯二甲酰氯反应合成目标产物。
METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.
方法以1,4-丁烯二醇为原料,经过酯化、环氧化、氨解开环,再与四碘对苯二甲酰氯反应合成目标产物。
METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.
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