期刊
CHEMCATCHEM
卷 10, 期 20, 页码 4514-4518出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201800953
关键词
Catalysis; Manganese Complexes; Reduction of ketones; Transfer Hydrogenation; Triazole Ligands
资金
- MPG
- RWTH Aachen University
- MANGAN project - Federal Ministry of Education and Research (BMBF)
A catalytic system based on complexes comprising abundant and cheap manganese together with readily available aminotriazole ligands is reported. The new Mn(I) complexes are catalytically competent in transfer hydrogenation of ketones with 2-propanol as hydrogen source. The reaction proceeds under mild conditions at 80 degrees C for 20h with 3% of catalyst loading using either (KOBu)-Bu-t or NaOH as base. Good to excellent yields were obtained for a wide substrate scope with broad functional group tolerance. The obtained results by varying the substitution pattern of the ligand are consistent with an out-sphere mechanism for the H-transfer.
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