Crystal structure of 1-(2-indol-3-ylethyl)-3-carbamidopyridinium chloride, an intramolecular model of the nicotinamide adenine dinucleotide-tryptophan charge-transfer complex

1974 ◽  
Vol 96 (5) ◽  
pp. 1585-1589 ◽  
Author(s):  
Jon R. Herriott ◽  
Arthur Camerman ◽  
David A. Deranleau
Keyword(s):  
Crystal Structure ◽  
Charge Transfer ◽  
Nicotinamide Adenine Dinucleotide ◽  
Charge Transfer Complex ◽  
Nicotinamide Adenine

scholarly journals Isolation and X-ray Crystal Structure of an Electrogenerated TEMPO–N3 Charge-Transfer Complex

2021 ◽  
Author(s):  
Hosea M. Nelson ◽  
Juno C. Siu ◽  
Ambarneil Saha ◽  
Duilio Cascio ◽  
Samantha N. MacMillan ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Charge Transfer ◽  
Charge Transfer Complex ◽  
X Ray

scholarly journals Isolation and X-ray Crystal Structure of an Electrogenerated TEMPO–N3 Charge-Transfer Complex

2020 ◽  
Author(s):  
Hosea Nelson ◽  
Juno Siu ◽  
Ambarniel Saha ◽  
Duilio Cascio ◽  
Song-Bai Wu ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Charge Transfer ◽  
Theoretical Analysis ◽  
Charge Transfer Complex ◽  
Reactive Intermediates ◽  
Structural Elucidation ◽  
Catalytic Reactions ◽  
X Ray ◽  
Increasing Demand ◽  
Computational Predictions

Recent advances in radical-based catalytic reactions have created an increasing demand for the understanding of their mechanistic underpinnings. Structural elucidation of transient reactive intermediates via diffraction techniques, though rarely possible, is one of the most decisive ways to support such mechanistic hypotheses. Here we present the isolation, structural elucidation, and theoretical analysis of an electrochemically generated and catalytically relevant charge-transfer species formed between the azidyl radical and (2,2,6,6-tetramethylpiperidin-1-yl)oxyl (TEMPO). The unusual bent N–N–N angle and the pancake bonding between these two fragments highlight the weak bonding interactions present in this complex. This X-ray structure validates computational predictions as well as mechanistic proposals of TEMPO-mediated radical azidation reactions.

Crystal structure of a polycyano–polycadmate host clathrate including a charge-transfer complex of methylviologen dication and mesitylene as a guest

2001 ◽  
pp. 1398-1399 ◽  
Author(s):  
Hirofumi Yoshikawa ◽  
Shin-ichi Nishikiori ◽  
Kinga Suwinska ◽  
Roman Luboradzki ◽  
Janusz Lipkowski
Keyword(s):  
Crystal Structure ◽  
Charge Transfer ◽  
Charge Transfer Complex ◽  
A Charge
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