催化学报 ›› 2009, Vol. 30 ›› Issue (2): 86-88.

• 研究快讯 • 上一篇    下一篇

2,3-二氯-5,6-二氰基-1,4-苯醌/NaNO2催化9,10-二氢蒽氧化脱氢

张伟1,2,马红1,周利鹏3,苗虹1,徐杰1   

  1. 1 中国科学院大连化学物理研究所催化基础国家重点实验室, 辽宁大连 116023; 2 中国科学院研究生院, 北京 100049; 3 郑州大学化学系工业催化研究所, 河南郑州 450001
  • 收稿日期:2009-02-25 出版日期:2009-02-25 发布日期:2012-11-21

Oxidative Dehydrogenation of 9,10-Dihydroanthracene Catalyzed by 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone/NaNO2

ZHANG Wei1,2, MA Hong1, ZHOU Lipeng3, MIAO Hong1, XU Jie1*   

  1. 1 State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023, Liaoning, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 3 Department of Chemistry, Institute of Catalysis, Zhengzhou University, Zhengzhou 450001, Henan, China
  • Received:2009-02-25 Online:2009-02-25 Published:2012-11-21

摘要: 设计了一种由2,3-二氯-5,6-二氰基-1,4-苯醌(DDQ)和NaNO2组成的复合催化剂,该催化剂在9,10-二氢蒽氧化脱氢生成蒽的反应中表现出很高的催化活性和选择性. 在120 ℃和1.3 MPa O2下反应8 h, 9,10-二氢蒽转化率达到99%以上,蒽的选择性为99%. 采用红外光谱和核磁共振方法对催化氧化脱氢的反应历程进行了研究. 结果表明, 9,10-二氢蒽氧气氧化脱氢生成蒽的反应是通过DDQ/DDQH2和NO2/NO两个氧化还原对的电子传递来推动的,以DDQ/NaNO2为催化剂可以有效催化9,10-二氢蒽氧化脱氢生成蒽.

关键词: 3-二氯-5, 6-二氰基-1, 4-苯醌, 亚硝酸钠, 10-二氢蒽, 氧化脱氢

Abstract: A catalyst comprising 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) and N aNO2 for 9,10-dihydroanthracene oxidative dehydrogenation showed high catalyt ic effi c iency, with >99% conversion of 9,10-dihydroanthracene and 99% selectivity for anthracene at 120 ℃ and 1.3 MPa O2 for 8 h.

Key words: 3-dichloro-5, 6-dicyano-1, 4-benzoquinone, sodium nitrite, 10-dihydroanthracene, oxidative dehydrogenation