选择SV型静态混合器应用于邻硝基氯苯甲氧基化反应中。
SV static mixer was selected to use in ortho- nitrochlorobenzene methoxy reaction.
以对甲酚为原料经溴化、水解、甲氧基化和甲基化4步反应合成药物中间体3,4,5-三甲氧基苯甲醛,总收率达53。
The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.
考察了格氏试剂的溶剂、反应物盐酸吡啶和三溴化硼对脱甲氧基收率的影响。
The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.
胡敏酸甲氧基功能团的含量多寡是衡量土壤腐殖质化的重要指标。
The content of methyl functional group of humus is an important index to evaluate the humification of soil.
应用红外光谱技术研究了在乙酸锌催化作用下1,5-萘二胺与碳酸二甲酯甲氧基羰基化反应机理。
The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.
是取化基,如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。
R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."
研究以焦性没食子酸衍生物2,3,4-三羟基苯甲酸为原料经过甲基化、水解、酸化和精制成2,3,4-三甲氧基苯甲酸。
Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.
用三甲氧基巯基丙基硅烷作偶联剂,通过溶剂抽提法获得单分层自组装巯基化 的玻璃。
Mercaptopropyltrimethoxysilane (MPTS) was used to form self- assembly monolayers (SAMs) on glass substrates by solution extraction, which was checked with XPS and AES.
用三甲氧基巯基丙基硅烷作偶联剂,通过溶剂抽提法获得单分层自组装巯基化 的玻璃。
Mercaptopropyltrimethoxysilane (MPTS) was used to form self- assembly monolayers (SAMs) on glass substrates by solution extraction, which was checked with XPS and AES.
应用推荐