Oxidative ammonolysis reaction of wheat soda lignin and wood kraft lignin was studied.
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。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
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。
This paper relates to the pretreatment of the mother liquor of ammonolysis andbromic recovery method in the new synthesis method of CLT acid.
本文介绍在新法合成CLT酸中,氨 解母液的预处理和溴的回收方法。
The composition contains a solvent and a polysilazane compound obtained by co-ammonolysis of one or a combination of two or more halosilane compounds.
所述组合物含有溶剂和由一种卤代 硅烷化合物或者其两种或更多种的组合通过共氨解作用得到的聚 硅氮烷化合物。
This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
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。
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.
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。
Levetiracetam was prepared from L-methionine via reduction-dethiomethylation, esterification, ammonolysis, amidation and intramolecular cyclocondensation reaction with 44.6% overall yield.
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.
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%。
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