Amide versus amine ligand paradigm in the direct amination of alcohols with Ru-PNP complexes

2018 ◽  
Vol 8 (15) ◽  
pp. 3969-3976 ◽  
Author(s):  
Dennis Pingen ◽  
Jong-Hoo Choi ◽  
Henry Allen ◽  
George Murray ◽  
Prasad Ganji ◽  
...  

Ruthenium complexes of PNP-ligands bearing secondary amines were found to be inactive in the alcohol amination with NH3, while all complexes of homologous ligands bearing tertiary amines gave active catalysts!

1987 ◽  
Vol 52 (11) ◽  
pp. 2699-2709 ◽  
Author(s):  
Dalimil Dvořák ◽  
Zdeněk Arnold

Reaction of arylmethylenemalonaldehydes with tributylphosphine and tertiary amines affords compounds of dipolar structure whereas reaction with primary and secondary amines leads to 1,4-addition products. Salts of nucleophilic inorganic anions add to arylmethylenemalonaldehydes under formation of salts of substituted malonaldehydes.


2011 ◽  
Vol 52 (21) ◽  
pp. 2706-2709 ◽  
Author(s):  
Jiaying Luo ◽  
Mingyue Wu ◽  
Fuhong Xiao ◽  
Guojun Deng

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