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- Keywords ethyl cyanoacetate;\ ethyl acetoacetate;\ ethyl amine;\ N ethyl 3 cyano 4 methyl 6 hydroxypyridin 2 one;\ derivatives; 氰乙酸乙酯;乙酰乙酸乙酯;乙胺;N-乙基-3-氰基-4-甲基-6-羟基吡啶-2-酮;衍生物;
- The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction. 由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈。
- By using ethyl cyanoacetate and n-octanol as raw materials, n-octyl cyanoacetate was synthesized through interesterification. 以氰乙酸乙酯和正辛醇为原料,采用酯交换法合成了氰乙酸正辛酯。
- By using ethyl cyanoacetate and nbutanol as raw materials, butyl cynoacetate was synthesized through interesterification. 以氰乙酸乙酯与正丁醇为原料,采用酯交换法合成氰乙酸正丁酯。
- By using ethyl cyanoacetate and iso-otanol as raw materials, iso-octyl cyanoacetate was synthesised through interesterification by tetrabutyl titanate as catalyst. 以氰乙酸乙酯和异辛醇为原料,采用钛酸四丁酯为催化剂,用酯交换法合成氰乙酸异辛酯。
- Keywords L-Carnosine;L-Histidine;Ethyl cyanoacetate;synthesis; 肌肽;L-组氨酸;氰乙酸乙酯;合成;
- Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation. 摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料，通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。
- The synthesis of 6-hydroxytryptamine by resorcin as starting material through carboxylate, condensation of ethyl cyanoacetate, cyclized, reduced and oxidocyclized has been accomplished. 以间苯二酚为合成标题物的起始原料,经羰基化,缩合,氰化,还原和氧化环合而合成6-羟基色胺。
- Ethyl dicyanopropionate was synthesized by one-step reaction with sodium cyanide, paraformaldehyde and ethyl cyanoacetate in solvent. The yield was 80.2%, and the purity was 90.8%. 由氰化钠、多聚甲醛和氰乙酸乙酯在溶剂中反应;一步合成二氰基丙酸乙酯;收率(以氰乙酸乙酯计)达80.;2%25;含量90
- Keywords iso-octyl cyanoacetate;tetrabutyl titanate;catalytic syntyesis;ethyl cyanoacetate;interesterification; 氰乙酸异辛酯;钛酸四丁酯;催化合成;氰乙酸乙酯;酯交换法;
- Keywords Ethyl maltol Meat production Application; 乙基麦芽酚;肉类加工;应用;
- Keywords ethyl anisate;synthesis;anisic acid; 废渣废液;茴香酸;茴香酸乙酯;合成;
- Keywords ethyl 2-butenoate;catalyst;esterify; 丁烯酸乙酯;催化剂;酯化;
- Keywords Ethyl acetoacetate Enol Keto UV; 乙酰乙酸乙酯;烯醇式;酮式;紫外光谱;
- Keywords ethyl hexanoate;catalyst;esterification; 己酸乙酯;催化剂;酯化反应;
- Keywords ethyl hexanol;market;price;proposition; 辛醇;国内外市场;价格;建议;
- Keywords ethyl sorbate;sorbic acid;food additive; 山梨酸乙酯;山梨酸;食品添加剂;
- Keywords ethyl furoate;synthesis;perfume; 糠酸乙酯;合成;香料;
- Keywords ethyl violet periodate electrode; 乙基紫;高碘酸根电极;
- Keyword： ethyl tert-butyl ether （ETBE）; 关 键 词： 乙基叔丁基醚（ETBE）;
