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Keywords N heptanal;medium of spice;nonenecarboxylic acid; 正庚醛;香料中间体;壬烯酸;
The synthesis method of n heptanal dibutyl mercaptole is reported in this paper,n heptanal,bromobutane and sodium thiosulfate are used as reaction meaterials. 以正庚醛、溴代正丁烷和硫代硫酸钠为原料,通过醇醛缩合反应合成正庚醛二丁硫醇缩醛,目标产物通过红外光谱和核磁共振氢谱证实其结构。
The synthesis method of n heptanal dibutyl mercaptole is reported in this paper,n heptanal,bromobutane and sodium thiosulfate are used as reaction meaterials.The product characterized by IR and HNM. 以正庚醛、溴代正丁烷和硫代硫酸钠为原料,通过醇醛缩合反应合成正庚醛二丁硫醇缩醛,目标产物通过红外光谱和核磁共振氢谱证实其结构。
Keywords N p chlorophenyl maleimide;styrene; 对氯苯基马来酰亚胺;苯乙烯;
Keywords N ethylpiperazine;piperazine;bromoethane; 乙基哌嗪;哌嗪;溴乙烷;
Solvent of (NFM+water) at 333.15K presented better ability than NFM solvent for recovering aromatics in extraction process for the same n heptane benzene systems. 通过比较和讨论表明 ,对相同的正庚烷芳烃体系 ,333 15K加水NFM溶剂较无水NFM溶剂萃取更有利于芳烃的回收。
Keywords n butyroin;flavor;foodadditives;synthesis; 丁偶姻;香料;食品添加剂;合成;
Keywords N;N -diethyl-m-toluamide;culicifuge;synthesis; 二乙基间甲基苯甲酰胺;驱蚊剂;合成;
Keywords n butyl gallate;microwave;esterification;PTSA; 没食子酸正丁酯;微波;酯化;PTSA;
Keywords N - benzalaniline;benzaldehyde;aniline;synthesis; 亚苄基苯胺;苯甲醛;苯胺;合成;
Keywords N phenyl naphthylamine;Photolysis;ESR;Cleavage energy; 苯基萘胺;光分解;电子自旗旋共振;裂解能;
Keywords N;N-Dimethylformamide;Production technology;Market; 二甲基甲酰胺;生产技术;市场;
Keywords N - acetylcysteine;Dimethyl formamide;Liver injury.; 关键词N-乙酰半脱氨酸;二甲基甲酰胺;肝损伤;
Keywords n hexane;Pt Cr catalyst;reaction;bifunctionality; 正己烷;铂铬催化剂;反应;双功能;
the residual rates for n haxanal, n heptanal, limonene are about 40% by coated cap AsN/PE CAP after stored 42 days. It is two times that of the blank sample. 醛类及萜类碳水化合物用涂层盖AsN/PE CAP储藏到第 42天后香气成分残留率大于 40%25 ,是空白样的 2倍 ;
Keywords n octyl gallate;synthesis;gallic acid;n octanol; 没食子酸正辛酯;合成;没食子酸;正辛醇;
Keywords n - butyl butyrate;synthesis;sodium bisulfate;catalysis; 丁酸正丁酯;合成;硫酸氢钠;催化;
Keywords n -Propyl gallate;Synthesis;Direct esterification; 没食子酸正丙酯;合成;直接酯化;
Keywords N;N - dimethyl dodecylamine;dodecanol;synthesis process; 二甲基十二烷基叔胺;十二醇;合成工艺;
Keywords N;N-dimethylformamide;gas chromatography;analysis; 二甲基甲酰胺;气相色谱;分析;