基于借氢策略、醇为烷基化试剂的胺的N-烷基化反应是合成胺类化合物的绿色途径.在无外加氢源条件下,多相双金属Pt-Sn/γ-Al2O3催化剂可高效催化醇为烷基化试剂的伯(仲)胺的N-烷基化反应合成仲(叔)胺,反应副产物为水与极少量亚胺.催化体系的底物适应性好,目标产物收率高；催化剂可以循环使用,具有潜在的工业化应用前景.
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