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6 年
【有机反应百科】Beech reaction
室温下,向芳胺的水溶液 (1 eq, 4.7M)中缓慢滴加浓盐酸 (2.7 eq,15 min后滴加完毕)。随后,将上述混合物冷却至0oC,滴加亚硝酸钠水溶液 (1.1 eq, 12.5M,30 min后,滴加完毕)。维持0oC,继续搅拌30 min后,将反应混合物升至室温。再加入乙酸钠水溶液 (1.5 eq,0.7 M)进行中和 ...
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