Journal
CRYSTENGCOMM
Volume 13, Issue 1, Pages 55-59Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0ce00347f
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Funding
- United States-Israel Binational Science Foundation (Jerusalem) [2004118]
- South African National Research Foundation [SFP2007070400002]
- Oppenheimer Memorial Trust
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Nicotinic acid hydrazide (niazid) readily co-crystallizes with carboxylic acids in methanol to form a 2-D sheet structure that utilizes all three H bond donors on the carbohydrazide functional group. In acetone solution niazid undergoes a condensation reaction with the solvent, which replaces the amine group with a hydrocarbon group leaving only one hydrogen bond donor on the modified niazid molecule, now containing a N-acylhydrazone functional group. The resulting reduced hydrogen bonding functionality leads to a new supramolecular assembly when co-crystallized with the same dicarboxylic acids.
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