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Issue 21, 2014
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Strengthening N⋯X halogen bonding via nitrogen substitution in the aromatic framework of halogen-substituted arylpyrazinamides

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Abstract

The importance of N⋯X halogen bonding in a series of N-(5-halo-2-pyridinyl)pyrazine-2-carboxamides has been investigated by different methods. The results show that when nitrogen is substituted for carbon in the aryl backbone of the parent compound, it can affect the electron accepting ability of bromine and iodine substituents. Thus, a stronger halogen bond can be formed.

Graphical abstract: Strengthening N⋯X halogen bonding via nitrogen substitution in the aromatic framework of halogen-substituted arylpyrazinamides

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Article information


Submitted
13 Sep 2013
Accepted
11 Mar 2014
First published
11 Mar 2014

CrystEngComm, 2014,16, 4546-4553
Article type
Paper
Author version available

Strengthening N⋯X halogen bonding via nitrogen substitution in the aromatic framework of halogen-substituted arylpyrazinamides

H. R. Khavasi, M. Hosseini, A. A. Tehrani and S. Naderi, CrystEngComm, 2014, 16, 4546
DOI: 10.1039/C3CE41856A

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