作者:Chen Zhao、Jiayue He、Angeliki A. Lemonidou、Xuebing Li、Johannes A. Lercher
DOI:10.1016/j.jcat.2011.02.001
日期:2011.5
of the cycloalkanone to the cycloalkanol and its subsequent dehydration as well as the hydrogenation of the formed cycloalkene. The presence of dual catalytic functions is indispensible for the overall hydrodeoxygenation. The dehydration reaction is significantly slower than the hydrogenation reaction and the keto/enol transformation, requiring a significantly larger concentration of Brønsted acid sites
在双功能催化剂体系Pd / C和H 3 PO 4上系统地研究了苯酚和取代酚的催化加氢脱氧反应动力学。为了更好地理解整体反应的基本步骤。反应通过芳族环的逐步氢化,环状烯醇转化为相应的酮,环烷酮氢化为环烷醇及其随后的脱水以及所形成的环烯烃的氢化而进行。双重催化功能的存在对于整个加氢脱氧是必不可少的。脱水反应比氢化反应和酮/烯醇转化要慢得多,与可用的氢化金属位点相比,布朗斯台德酸位点的浓度要大得多。