Method using hydrothermal method to synthesize 2-halogeneated nicotinate and 2-halogeneated nicotinic acid

• Main Authors: WANG TONGTAO, LIU YUFA, YAN XINHUA, SUN XUBING, FENG XUNJUAN
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2017
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY

The invention discloses a method using a hydrothermal method to synthesize 2-halogeneated nicotinate and 2-halogeneated nicotinic acid and relates to the field of chemical synthesizing. The method uses substituted amino acrolein, catalyst, catalyst assistant, water and cyanoacetate as raw materials to synthesize the 2-halogeneated nicotinate and the 2-halogeneated nicotinic acid through the hydrothermal method. Compared with the prior art, the method is environmentally friendly, easy in separation, high in product yield, good in product quality, capable of achieving large-scale industrial production favorably, and the like. 本发明公开了种水热法合成2－卤代烟酸酯和2－卤代烟酸的方法，涉及化学合成领域。该方法由取代氨基丙烯醛、催化剂、催化剂助剂、水、氰基乙酸酯为原料，采用水热法法合成2－卤代烟酸酯和2－卤代烟酸。与现有技术相比，本发明的合成方法具有绿色环保、易于分离，产品收率高、质量好等特点，更利于实现大规模工业化生产。