Catalysis Letters p. 717 - 722 (2014)
Update date:2022-08-17
Topics:
Liu, Guiyin
Tang, Ruiren
Wang, Zhen
Polymeric graphitic carbon nitride (g-C3N4) is a layered graphite-like nitrogen-rich material, bearing the potential ability to reductively adsorb molecular oxygen for catalytic allylic oxidation. Furthermore, N-hydroxyphthalimide (NHPI) has been recognized as an efficient catalyst for aerobic oxidation of various organic compounds under mild conditions in the presence of various co-catalysts. We present here a promising strategy for employing such nitride-rich g-C3N4 combined with NHPI to form an all-organic metal-free composite and have examined its activity for allylic oxidation with molecular oxygen as the primary terminal oxidant. In the case of allylic oxidation α-isophorone catalyzed by g-C3N4/NHPI gave priority to its corresponding carbonyl compound and epoxide. The effects of various reaction conditions on the catalytic reaction were optimized, affording 74.8 % conversion with 44.4 % selectivity of ketoisophorone at 130 C in 5 h. Repeated runs demonstrated that the catalyst was stable for at least three cycles without noticeable loss of its catalytic activity. Graphical Abstract: [Figure not available: see fulltext.]
View MoreWUHAN ENTAI TECHNOLOGY DEVELOPMENT CO.,LTD
Contact:0086-27-82330560
Address:RM1204 Fuhua Building of Wuhan Institute of Technology ,Zhuobao Road ,Wuhan ,China
Contact:86 311 85902108 / 85902109
Address:room 1001-1005 ,huanghe Road ,shijiazhuang ,China
Wuxi Innopal International Trade CO.,LTD
Contact:+86-510-80711901-8003
Address:Room 402,Building 5,Longze Garden,No.17,South huanjiu Road,Yixing City, Jiangsu,China
Contact:+86-913-2223392
Address:No. 32, Xinanjing Road, Weinan City, Shaanxi Province, 714000, China
Wuxi Forest Biological Co.,Ltd
Contact:+86-510-81602300
Address:Room 317,Building D, No.159 middle Chengjiang Road,Jiangyin Wuxi city.
Doi:10.1134/S1070428012080039
(2012)Doi:10.1021/op200360b
(2012)Doi:10.1002/chem.201000931
(2010)Doi:10.1021/jo100454m
(2010)Doi:10.1021/ja01204a036
(1947)Doi:10.1016/j.cattod.2010.01.037
(2010)