Cobalt-catalyzed (Z)-selective semihydrogenation of alkynes with molecular hydrogen

Cobalt-catalyzed (Z)-selective semihydrogenation of alkynes with molecular hydrogen

Cobalt-catalyzed highly (Z)-selective semihydrogenation of alkynes using molecular H was developed using commercially available and cheap cobalt precursors. A variety of (Z)-alkenes were obtained in moderate to excellent selectivities [(Z)-alkene/(E)-alkene/alkane ratio up to >99 : 1 : 1] and it...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2017-04, Vol.53 (33), p.4612-4615
Hauptverfasser: Chen, Caiyou, Huang, Yi, Zhang, Zongpeng, Dong, Xiu-Qin, Zhang, Xumu
Format: Artikel
Sprache:eng
Schlagworte:
Alkanes
Alkynes
Cobalt
Ethylenediamine
Hydrogen
Ligands
Precursors
Selectivity
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Zusammenfassung:Cobalt-catalyzed highly (Z)-selective semihydrogenation of alkynes using molecular H was developed using commercially available and cheap cobalt precursors. A variety of (Z)-alkenes were obtained in moderate to excellent selectivities [(Z)-alkene/(E)-alkene/alkane ratio up to >99 : 1 : 1] and it was found that the readily available ethylenediamine ligand is crucial in determining the selectivity.
ISSN:1359-7345
1364-548X
DOI:10.1039/c7cc01228d