5-溴香兰素的合成 关键词： 5-溴香兰素; 溴化反应; 3; 4; 5-三甲氧基苯甲醛[gap=853]Key words： 5-bromo-vanillin; bromination; 3; 4; 5-trimethoxybenzal dehyde
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薁类化合物的显色反应① 溴化反应（Sabaty反应）：取挥发油1滴，溶于1ml CHCl3中，加入5%溴的 CHCl3溶液数滴，如产生兰色、紫色或绿色时，则有薁 类化合物存在。
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乙酰化溴代反应 acetylation-bromination
The reaction of isoflavone is attributed to electrophilic addition and substitution mechanism. The bromination on the double bond C2=C3 was first reported.
首次报道了异黄酮C环双键的溴化反应,对反应机理进行了探讨。
参考来源 - 异黄酮晶体结构及超分子作用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
溴化后与2-氨基-5-甲基吡啶反应生成咪唑吡啶。
This is brominated and reacted with 2-amino-5-methylpyridine to give the imidazopyridine.
考察了格氏试剂的溶剂、反应物盐酸吡啶和三溴化硼对脱甲氧基收率的影响。
The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.
采用正丁醇-氢氧化钠反应体系，以十六烷基三甲基溴化铵为相转移催化剂，制得脱乙酰度为92%的壳聚糖。
The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.
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