| 释义 |
DimethylsulfateBNC¹⁷³⁹⁹⁵⁺²
基本例句
二甲基硫酸盐,硫酸二甲酯
METHODS 3-hydroxyestrogen reacted withdimethylsulfatein acetone in the presence of potassium carbonate.方法以含3－酚羟基的雌激素类化合物为原料，丙酮为溶剂，在碳酸钾存在下与硫酸二甲醋反应。
Three etherification methods of alkylphenols were studied. The results showed that the base concentration and temperature greatly affacted the yield in thedimethylsulfatemethod.对烷基酚的3条醚化路线进行了探索和比较，重点选择了硫酸二甲酯醚化方法进行研究，结果表明碱浓度、温度等条件对该反应有较大影响。
Keywords methylhesperidin;hesperidin;dimethylsulfate;technology;conditions;optimize;甲基橙皮甙;橙皮甙;硫酸二甲酯;工艺;优化;
Keywords p - Aminosalicylic acid methyl - etherificationdimethylsulfateorthogonal design;对氨基水杨酸;甲醚化;硫酸二甲酯;正交实验; |