二氧化氮硝化4-羟基苯甲醛合成4-羟基-3-硝基苯甲醛  

Synthesis of 4-hydroxy-3-nitrobenzaldehyde by nitration of 4-hydroxybenzaldehyde with nitrogen dioxide

作　　者：赵晓锋 吉凤成 夏峰 李艳华 

机构地区：[1]连云港市工业投资集团有限公司,江苏连云港222000

出　　处：《云南化工》2017年第8期66-67,73,共3页Yunnan Chemical Technology

摘　　要：以二氧化氮作为硝化试剂,HZSM-5型分子筛作为催化剂方法,研究4-羟基苯甲醛合成4-羟基-3-硝基苯甲醛的新方法。通过1H-NMR,IR和MS对4-羟基-3-硝基苯甲醛的结构进行了表征。研究了HZSM-5催化条件下,催化剂用量,反应温度,反应时间对4-羟基-3-硝基苯甲醛收率的影响。A new method using nitrogen dioxide as nitrating reagent and HZSM-5 zeolite as catalyst to synthesize 4-hydroxy-3-nitrobenz, aldehyde from 4-hydroxybenzaldehyde was studled.The structures of 4-hydroxy-3-nitrobeuzaldehyde was determined by 1H-NMR, IR and MS.The effects of the amount of catalyst, reaction temperature and reaction time on the yield of 4-hydroxy-3-nitrobenzaldehyde were studied.

关 键 词：二氧化氮 4-羟基苯甲醛 4-羟基-3-硝基苯甲醛 硝化 

分 类 号：TQ246.1[化学工程—有机化工]