Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2005-06-30

Journal: 精细石油化工

Included Journals: CSCD、PKU、Scopus

Volume: 0

Issue: 3

Page Number: 50-52

ISSN: 1003-9384

Key Words: 邻硝基氯苯;2,2′-二氯亚肼苯;催化加氢

Abstract: 以甲苯为溶剂,w(Pd)=0.8%的Pd/C为催化剂,NQON为助剂,在碱性条件下,对邻氯硝基苯选择性加氢还原制备2,2′-二氯亚肼苯(DHB)进行了研究.较佳的反应条件为:w(NaOH)=20%,反应温度65℃,十二烷基苯磺酸钠用量0.4 g,0.8%Pd/C用量1.2 g,助剂用量0.08 g,产物质量分数大于95%.