Industrial-Quality Graphene Oxide Switched Highly Efficient Metal- and Solvent-Free Synthesis of β-Ketoenamines under Feasible Conditions

被引：28
作者：
Deng, Dian [1 ]
Xiao, Lang [3 ]
Chung, Ill-Min [2 ]
Kim, Ick Soo [1 ]
Gopiraman, Mayakrishnan [2 ]
机构：
[1] Shinshu Univ, Inst Fiber Engn IFES, ICCER, Div Frontier Fibers,Nano Fus Technol Res Grp, Tokida 3-15-1, Ueda, Nagano 3868567, Japan
[2] Konkuk Univ, Coll Life & Environm Sci, Dept Appl Bioscience, 120 Neungdong Ro, Seoul 05029, South Korea
[3] Chinese Univ Hong Kong, New Asia Coll, Dept Fine Arts, Shatin, Hong Kong, Peoples R China
来源：
ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2017年 / 5卷 / 02期
关键词：
Graphene oxide; Carbocatalysis; beta-Ketoenamines; Reusable; Sustainable; OXIDATIVE DEHYDROGENATION; TRANSFER HYDROGENATION; ENAMINO ESTERS; FREE CATALYSTS; CARBON; NANOCATALYSTS; ALCOHOLS; KETONES; FUTURE;
D O I：
10.1021/acssuschemeng.6b02766
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Metal- and solvent-free industrial-quality graphene oxide (IQGO)-based highly efficient carbocatalytic system has been developed for the synthesis of beta-ketoenamines. Initially, physicochemical properties of IQGO are briefly discussed by means of various microscopic and spectroscopic techniques. The present system accessed a wide range of substrates to yield beta-ketoenamines in an excellent yield (86-100%) with 100% selectivity. Catalytic activity of IQGO is compared with other carbon materials such as carbon nanotubes, carbon nanofibers, and graphene nanoplatelets. Cost effective recovery, high level reusability, chemoselective nature, possible scale reaction, and sustain-ability of IQGO are demonstrated. Based upon experimental results and earlier reports, possible reaction mechanism has been proposed for the synthesis of beta-ketoenamines.
引用
收藏
页码：1253 / 1259
页数：7
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