1) methylene blue active material
亚甲蓝活性物质
2) methylene blue
(碱性)亚甲蓝
3) active methylene compound
活性亚甲基化合物
1.
A series of benzopyran derivatives have been synthesized by the reaction of 2 hydr~oxyar~omati~c aldehyde with active methylene compounds under microwave irradiation.
以邻羟基芳香醛、活性亚甲基化合物为原料 ,在乙二醇溶剂中经微波辐射得到一系列苯并吡喃衍生物 ,产物的结构通过红外光谱、核磁共振光谱及元素分析表
2.
The condensation of aromatic aldehydes with active methylene compounds, such as malononitrile, methyl cyanoacetate, cyanoacemide, proceeded very efficiently in water in the presence of triethylbenzylammonium chloride (TEBA), and the products were isolated simply by filtration.
水溶剂中在三乙基苄基氯化铵(TEBA)存在下芳香醛与活性亚甲基化合物的缩合反应以良好产率生成相应的取代烯烃。
4) methylene group selectivity
亚甲蓝选择性
6) methylene blue
亚甲蓝,美蓝
补充资料：活性萃蓝KN-G
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分子量：暂无
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