期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 357, 期 7, 页码 1369-1373出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201500043
关键词
carbon dioxide; copper; 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU); formates; hydrogenation
资金
- JSPS KAKENHI [22225004, 24350079, 26620143]
- Grants-in-Aid for Scientific Research [26620143] Funding Source: KAKEN
Hydrogenation of carbon dioxide to formate was achieved using copper (Cu) catalysts in the presence of strong organic bases including amidines and guanidines. Specifically, 1,8-diazabicyclo[5.4.0] undec-7-ene (DBU) proved to be effective for the transformation of a 1: 1 mixture of hydrogen and carbon dioxide into its formate salt under increased pressure in the presence of various Cu(I) and Cu(II) salts at 100 degrees C. A novel complex derived from copper iodide and DBU equally promoted the same reaction, indicating that DBU-Cu species are involved as real catalysts in this hydrogenation.
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