查询词典 bromation
- 与 bromation 相关的网络例句 [注：此内容来源于网络，仅供参考]
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This article provided a new route to produce 4-dimethoxy phenethylamine. In basic condition, the product could be obtained through etherization, bromation, Grignard reaction, hydroxyethylation, esterification and Gabriel reaction with phenol as raw material, the overall yield is 45.0%.
提出了合成4-甲氧基苯乙胺的新方法，即在碱性条件下，苯酚首先与硫酸二甲酯反应，再选用高选择性的溴化剂溴化后，经格氏反应、羟乙基化反应和酯化反应，最后经Gabriel反应可以制备目标产物，反应总收率为45.0%。
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The described tackifier is applicable to perchloride raw rubber based on fragment form and non-halide or low-halide raw rubber, and can make most of allyl group implement bromation reaction in priority.
所述增粘剂基于碎片形式的高氯化生橡胶和非卤化或低卤化的生橡胶，并优选使大部分的烯丙基进行溴化反应。
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The present invention uses isocyanuric acid as main raw material, and adopts the following main steps: adding alkali to make solvation, chlorization, bromation, secondary chlorization, filtering and drying to prepare bromochloro-isocyanuric acid.
本发明公开了一种溴氯异氰尿酸消毒灭菌剂的制备方法。该方法以异氰尿酸为主要原料，通过加碱溶解、氯化、溴化、再氯化、过滤、干燥主要步骤制备溴氯异氰尿酸。
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Ionic liquid ; selectivity ; bromation reaction ; methylic imidzaole
离子液体；选择性；溴化反应；甲基咪唑
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Preparation of the stemnucleus Ancymidol is introduced as raw material, after bromation, obtains the stemnucleus by salification with triphenylphosphine.
新型膦盐母核的合成：采用嘧啶醇作为原料，经过溴化，由三苯基膦成盐得到。
- 推荐网络例句
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I go to school at night.
我是上上学。
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Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.
鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。
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He is an expert on the causes of the Great Depression.
他是大萧条起因方面的专家。