scholarly journals N2 Reduction and Hydrogenation to Ammonia by a Molecular Iron-Potassium Complex

Science ◽  
2011 ◽  
Vol 334 (6057) ◽  
pp. 780-783 ◽  
Author(s):  
M. M. Rodriguez ◽  
E. Bill ◽  
W. W. Brennessel ◽  
P. L. Holland
Keyword(s):  
Potassium Complex

Formation and structure of the potassium complex of valinomycin in solution studied by Raman optical activity spectroscopy

2010 ◽  
Vol 12 (36) ◽  
pp. 11021 ◽  
Author(s):  
Shigeki Yamamoto ◽  
Michal Straka ◽  
Hitoshi Watarai ◽  
Petr Bouř
Keyword(s):  
Optical Activity ◽  
Raman Optical Activity ◽  
Potassium Complex

The hydrated potassium complex of the ionophore monensin A

1987 ◽  
Vol 109 (7) ◽  
pp. 2163-2165 ◽  
Author(s):  
Walter Pangborn ◽  
William Duax ◽  
David Langs
Keyword(s):  
Potassium Complex ◽  
Monensin A ◽  
Ionophore Monensin

scholarly journals Stepwise Reduction of Dinitrogen by a Uranium–Potassium Complex Yielding a U(VI)/U(IV) Tetranitride Cluster

2021 ◽  
Author(s):  
Nadir Jori ◽  
Luciano Barluzzi ◽  
Iskander Douair ◽  
Laurent Maron ◽  
Farzaneh Fadaei-Tirani ◽  
...  
Keyword(s):  
Stepwise Reduction ◽  
Potassium Complex

Bis(monoazacrown ether)s: Effects of bridge length and ring size on stability and selectivity in alkali ion sandwich complex formation

1991 ◽  
Vol 56 (7) ◽  
pp. 1482-1488 ◽  
Author(s):  
Petr Holý ◽  
Juraj Koudelka ◽  
Martin Bělohradský ◽  
Ivan Stibor ◽  
Jiří Závada
Keyword(s):  
Complex Formation ◽  
Homologous Series ◽  
Ring Size ◽  
Azacrown Ether ◽  
Sandwich Complex ◽  
Sodium Potassium ◽  
Alkali Ions ◽  
Potassium Complex ◽  
Bridge Length ◽  
Alkali Ion

Sodium, potassium, rubidium and caesium ion complex formation was investigated in two homologous series of bis(azacrown ether)s Ia-Ic and IIa-IIc. Three complementary bis(azacrown ether)s series IIIa-IIIc, IVa-IVc and Va-Vc were employed for a more detailed study of sodium complexation. Very pronounced effects of bridge length as well as macroring size were found in the investigated series and interpreted mainly in terms of various proclivity of individual ligands and alkali ions to sandwich complex formation. Remarkably high selectivities in alkali ion formation were noted for the shortest bridge ligands Ia and Ib, the former preferring strongly sodium and the latter potassium complex formation.

scholarly journals Transition metal-free catalytic reduction of primary amides using an abnormal NHC based potassium complex: integrating nucleophilicity with Lewis acidic activation

2020 ◽  
Vol 11 (7) ◽  
pp. 1848-1854 ◽  
Author(s):  
Mrinal Bhunia ◽  
Sumeet Ranjan Sahoo ◽  
Arpan Das ◽  
Jasimuddin Ahmed ◽  
Sreejyothi P. ◽  
...  
Keyword(s):  
Transition Metal ◽  
Catalytic Reduction ◽  
Primary Amines ◽  
Ambient Conditions ◽  
Metal Free ◽  
Potassium Complex

An abnormal N-heterocyclic carbene (aNHC) based potassium complex was used as a transition metal-free catalyst for reduction of primary amides to corresponding primary amines under ambient conditions.

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