enamine
英
美
n. 烯胺
复数：enamines
英英释义
noun
- an amine containing the double bond linkage -C=C-N-
双语例句
- The meso carbon atom of the methine linkage of the dye is attached to the nitrogen atom of a group which forms an enamine with the methine linkage of the dye.
该染料甲川链上的碳原子与氨基的氮原子相连，而该氮原子又与染料的甲川链形成烯胺。 - ? Methyl ethyl acetoacetate was synthesized by enamine alkylation, which was compared with water process method.
本文报道了α－甲基乙酰乙酸乙酯的烯胺法合成，探讨了烯胺法与水法的不同。 - Attempts to trap the enamine intermediate with several electrophilic reagents were not successful.
此外也尝试了利用最初形成的烯胺中间体与一些亲电试剂发生串连反应，但未能取得成功。 - Ketoprofen was synthesized from cyclohexanone via stork enamine reaction, aldol condensation, elimination reaction and aromatization in overall yield of about 43.2%.
以环己酮为起始原料，经Stork烯胺反应、羟醛缩合、消除、芳构化制得酮基布洛芬，总收率43.2%。 - This is the lowest catalyst loading that has been achieved so far in enamine catalysis with low molecular weight catalysts for a broad range of substrates.
这一催化载量，在已知的烯胺小分子催化剂中，是最低的，且底物广泛。 - The methods of preparing nitrogen heterocycles by the imine and enamine intermediate are introduced.
本文简要综述了以亚胺和烯胺为中间体采用固相合成技术构建有机含氮杂环化合物库的方法。 - Synthesis of α-Methyl Ethyl Acetoacetate by Enamine Alkylation
烯胺法合成α－甲基乙酰乙酸乙酯 - The reaction may proceed in micelle with an enamine mechanism that is similar to the Aldolase catalysis.
反应是在胶束中进行的，反应机理推测为通过形成亚胺中间体的类似Aldolase酶催化的机理。 - The results of the studies indicate that the tautomeric equilibrium between the enol imine and keto enamine exists in the compounds.
结果表明，合成的化合物具有醇亚胺和酮胺互变异构体结构，锡原子是五配位的，存在着分子间酚羟基（酮羰基）氧原子同锡原子的配键。 - A reaction mechanism involving nucleophilic addition of an enamine to a metal carbene and subsequent hydrogen transfer was proposed.
根据这一实验结果和以前对重氮化合物反应机理的了解，我们认为反应的机理是烯胺与金属卡宾首先进行亲核加成，然后发生氢迁移过程，产生烯胺中间体。