A selective ruthenium-catalyzed water–gas shift/hydroformylation of internal olefins and olefin mixtures is reported. This novel domino reaction takes place through a catalytic water–gas shift reaction, subsequent olefin isomerization, followed by hydroformylation and reductive amination. Key to the success for the efficient one-pot process is the use of a specific 2-phosphino-substituted imidazole
A highlyregioselective ruthenium‐catalyzed hydroaminomethylation of olefins is reported. Using easily available trirutheniumdodecacarbonyl an efficient sequence consisting of a water‐gas shift reaction, hydroformylation of olefins, with subsequent imine or enamine formation and final reduction is realized. This novel procedure is highly practical (ligand‐free, one pot) and economic (low catalyst loading
据报道,烯烃具有高度区域选择性的钌催化的氢氨基甲基化作用。使用容易获得的十二烷基三羰基羰基化合物,可以实现由水煤气变换反应,烯烃的加氢甲酰化,随后的亚胺或烯胺形成以及最终的还原反应组成的有效序列。这种新颖的方法非常实用(无配体,一锅),经济(催化剂用量低,金属价格便宜)。本体工业的以及官能化的烯烃与各种胺反应,通常以高收率(高达92%),优异的区域选择性(n / iso > 99:1)和对终端烯烃有利的全化学选择性,得到相应的叔胺。
Efficient and Regioselective Ruthenium-catalyzed Hydro-aminomethylation of Olefins
An efficient and regioselective ruthenium-catalyzed hydroaminomethlyation of olefins is reported. Key to success is the use of specific 2-phosphino-substituted imidazole ligands and triruthenium dodecacarbonyl as catalyst. Both industrially important aliphatic as well as various functionalized olefins react with primary and secondary amines to give the corresponding secondary and tertiary amines generally in high yields (up to 96%) and excellent regioselectivities (n/iso up to 99:1).
Bartulin, J.; Zuniga, C.; Muller, H., Molecular Crystals and Liquid Crystals (1969-1991), 1987, vol. 150, p. 237 - 246
作者:Bartulin, J.、Zuniga, C.、Muller, H.、Taylor, T. R.、Haase, W.
DOI:——
日期:——
BARTULIN, JUAN;ZUNIGA, CELIA;MULLER, HEDIO;TAYLOR, TED R., J. CHEM. SOC. PERKIN TRANS.,(1987) N 12, 1881-1886
作者:BARTULIN, JUAN、ZUNIGA, CELIA、MULLER, HEDIO、TAYLOR, TED R.