Sustainable Manganese-Catalyzed Solvent-Free Synthesis of Pyrroles from 1,4-Diols and Primary Amines

被引:66
作者
Borghs, Jannik C. [1 ]
Lebedev, Yury [2 ]
Rueping, Magnus [1 ,2 ]
El-Sepelgy, Osama [1 ]
机构
[1] Rhein Westfal TH Aachen, Inst Organ Chem, Landoltweg 1, D-52074 Aachen, Germany
[2] KAUST, KCC, Thuwal 239556900, Saudi Arabia
关键词
BORROWING HYDROGEN; N-HETEROCYCLIZATION; ALPHA-ALKYLATION; MULTICOMPONENT SYNTHESIS; SECONDARY ALCOHOLS; COOPERATIVE METAL; IRON CATALYSIS; CYCLIC IMIDES; RUTHENIUM; KETONES;
D O I
10.1021/acs.orglett.8b03506
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A general and selective metal-catalyzed conversion of biomass-derived primary diols and amines to the highly valuable 2,5-unsubstituted pyrroles has been developed. The reaction is catalyzed by a stable nonprecious manganese complex (1 mol %) in the absence of organic solvents whereby water and molecular hydrogen are the only side products. The manganese catalyst shows unprecedented selectivity, avoiding the formation of pyrrolidines, cyclic imides, and lactones.
引用
收藏
页码:70 / 74
页数:5
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