Catalytic synthesis of 2-methylpyrazine over Cr-promoted copper based catalyst via a cyclo-dehydrogenation reaction route
F Jing, Y Zhang, S Luo, W Chu, H Zhang…
Index: Jing, Fangli; Zhang, Yuanyuan; Luo, Shizhong; Chu, Wei; Zhang, Hui; Shi, Xinyu Journal of Chemical Sciences, 2010 , vol. 122, # 4 p. 621 - 630
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Citation Number: 13
Abstract
Abstract The cyclo-dehydrogenation of ethylene diamine and propylene glycol to 2- methylpyrazine was performed under the atmospheric conditions at 380° C. The Cr- promoted Cu-Zn/Al 2 O 3 catalysts were prepared by impregnation method and characterized by ICP-AES, N 2 adsorption/desorption, XRD, XPS, N 2 O chemisorption, TPR and NH 3-TPD techniques. The amorphous chromium species existing in Cu-Zn-Cr/Al 2 O ...
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