活泼亚甲基化合物 active methylene compound
Obtained six kinds of phenylhydrazones under the condition of ice bath byusing aniline diazonium salts and active methylene compounds.
7．芳香胺重氮盐与活泼亚甲基化合物在冰盐浴条件下反应，合成了六种具有生物活性的新芳香族腙类含氮衍生物。
参考来源 - 多官能团手性氮杂环丙烷衍生物的不对称合成与结构表征·2,447,543篇论文数据，部分数据来源于NoteExpress
报道了氨磺酸催化的活泼亚甲基化合物和醇的直接烷基化反应新方法。
An Efficient NH2SO3H-catalyzed direct alkylation of active methylene compounds with benzylic and allylic alcohols has been reported.
这是由于纤维在化学上不活泼，表面能低，表面缺乏极性基团，且是高度对称的亚甲基结构，使得纤维具有很高的结晶度和取向度。
Because the fiber is of chemical inertion, low surface energy, lack of polar groups, and highly symmetric methylene structure, the fiber has a high degree of crystallinity and orientation.
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