The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.
以氮-苄基保护胺基酮为原料,经氢化,苯甲酰化,还原三步合成双苯甲酰沙丁胺
酯。
The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.
以氮-苄基保护胺基酮为原料,经氢化,苯甲酰化,还原三步合成双苯甲酰沙丁胺
酯。
Thioglycolic acid(TGA) was synthesized from thioglycolic acid and sodium hydrosulfide under common pressure.
研究了以硫氢化钠和氯乙酸钠为原料常压合成巯基乙酸。
Fe-only hydrogenase can catalyze the reversible reaction of protons and electrons to molecular hydrogen in nature.
对铁氢化酶活性中心进行化学模拟将有可能产生出新型
产氢催化剂。
The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.
研究了以硼氢化钾修饰
雷尼镍催化剂催化松油
加氢制备二氢松油
反
。
Oxidation of tropine with chromic oxide gave tropinone which can be quaternized to 5 in quantitative yield.
为了使反
研究简化,将阿托品水解为托品
、
化为托品酮,托品酮季胺盐与氢化钠反
。
The recent developments in conventional synthesis of naphthol are summarized, including sulfonation alkali-fusion, via isopropyl naphthalene, hydrolysis, via tetrahydronaphthalene.
摘要简述了近年来一元萘酚传统合成

发展,包括磺化碱熔法、异丙萘法、水解法、四氢化萘法。
Objective: To explore the relationship between the occurrence of hypokaliemia in patients with Cushing syndrome and cortisol.
探讨库欣综合征患者低钾血症
发生与氢化可
松
关系。
Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.
脱氢橙花叔
在催化剂存在和常压(或接近常压)下发生选择性部分氢化反
,形成橙花叔
。
States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.
阐述乙炔以及碳氢化合物在空分装置中具有
潜在危险性,并提出在正常生产中
预防措施。
The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate.
采用向盐酸多西环素精制母液中加5-磺基水杨酸和水
方法,从精制母液中回收出氢化物,并确定了最佳配比。
Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees C.
举例来说,以氢化镁当做硼氢化锂
去稳定剂,可以将释放气体所需
温度从400℃降到275℃。
Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.
以丙酮为原料,经氯化、气相氟化、气相氢化及氟甲基化等一系列改进
方法合成了七氟醚,提供了一条新
合成路线。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来酸酐
化学结构与固化物
机械强度及热稳定性密切相关。
The function of hydrocarbons and nitrogen oxides in photochemical smog formation and the formative process of ozone and peroxyacetyl nitrate are discussed.
介绍了氮
化物、碳氢化合物在形成光化学烟雾中
作用和臭
、过
乙酰硝酸酯产生
过程,并介绍了光化学烟雾
形成机理。
The catalysts,which were used for oxidating hydrogenized anthraquinone working fluid in the production course of hydrogen peroxide by anthraquinone method were introduced.
介绍了蒽醌法生产过
化氢在蒽醌氢化工作液
化步骤中所用
催化剂。
The content of As and Sb in paints are analyzed by hydride generat io n atomic fluorescence spectrometry (HG-AFS) and L-cysteine prereduction proces s.
采用氢化物发生-原子荧光光谱法,用L-半胱氨酸预还原法,对涂料中砷和锑进行了分析。
Hydroprednisone acetate was injected into the rabbits of the model group using intragluteal injection to produce necrosis models of bone cells of femoral head.
模型组采用臀肌注射醋酸氢化泼尼松(简称激素)建立股骨头骨细胞坏死模型。
A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.
本文用异龙脑与苯酚在酸性催化剂作用下进行选择性烷基化反
,
经催化氢化还原得到龙脑檀香产品。
Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.
本文对巯基乙酸
合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸
生产,而硫脲法可得到较高浓度
巯基乙酸。
The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
二烯烃和烯基芳烃是非常不稳定
组分,可聚合产生凝胶。对于给定烯烃和烷基芳烃,氢化可以改善产品质量。
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