In situ DRIFTS study on the synthesis of N-alkylmorpholines |
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| Authors: | Chenxi Luo Hu Luo Chao Qian Yunbin Chen Lie Feng Xinzhi Chen |
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| Affiliation: | 1. Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, People’s Republic of China
2. Zhejiang Jianye Chemical Co., Ltd., Jiande, 311600, People’s Republic of China
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| Abstract: | In situ diffuse reflectance Fourier-transform infrared spectroscopy was used to perform mechanistic investigation on the synthesis of N-alkylmorpholines from diethylene glycol (DEG), alcohol and ammonia. The results showed that the synthesis of N-alkylmorpholines on a heterogeneous catalyst proceeded along the reaction path between DEG and alkylamine when choosing CuO–NiO/γ-Al2O3 as a suitable catalyst. In addition, the yield of methylmorpholine and ethylmorpholine was 86.4 and 76.6 %, respectively. |
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