三种n-氯乙酰取代的苯并含氮杂环化合物通过硫醚键的形成被导入嘧啶结构。
Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.
本文报道了以邻氯甲苯为原料，经光氯化、水解、取代三步合成2-甲酰基苯磺酸钠的方法，并对影响反应收率的因素进行了讨论。
Sodium 2-formylbenzenesulfonate was prepared from 2-chlorotoluene by photo-chlorination, hydrolysis and substitution reactions successively. Factors affecting the yields were discussed.
本发明涉及新的(苯并)三唑组合物，包含在功能液体例如矿物油中的苯并三唑和N -取代苯并三唑的混合物。
The invention relates to novel (benzo) triazole compositions comprising mixtures of benzotriazoles and N-substituted benzotriazoles in functional liquids, e. g. mineral oil.
本发明涉及新的(苯并)三唑组合物，包含在功能液体例如矿物油中的苯并三唑和N -取代苯并三唑的混合物。
The invention relates to novel (benzo) triazole compositions comprising mixtures of benzotriazoles and N-substituted benzotriazoles in functional liquids, e. g. mineral oil.
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