Titanocene dichloride and poly(o-aminophenol) as a new heterogeneous cooperative catalysis system for three-component Mannich reaction

Titanocene dichloride and poly(o-aminophenol) as a new heterogeneous cooperative catalysis system for three-component Mannich reaction
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二氯化二茂钛和聚邻氨基苯酚作为三组分曼尼希反应的新型多相协同催化体系

DOI:
10.1039/c5cy00793c
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发表时间:
2015-08
影响因子:
5
通讯作者:
Gao Z.
Gao Z.
中科院分区:
化学2区
文献类型:
--
作者:
Wu Y.;Zhang G.;Zhang W.;Gao Z.

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提出了一种新型的有机金属刘易斯酸与质子酸载体协同作用的多相催化体系。该催化体系成功地催化了芳香族酮和脂肪族酮的直接曼尼希反应,产率很高。催化剂可循环使用5次以上,曼尼希产品收率保持在90%以上。
A new heterogeneous cooperative catalysis system featuring the synergistic effect of an organometallic Lewis acid and a Bronsted acid supporter was developed. The catalysis system successfully catalyzed the direct Mannich reaction of both aromatic and aliphatic ketones in excellent yields. The catalyst can be recycled at least five times and the yield of the Mannich product remains over 90%.
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