The N-carbamoyl squaramide dimer: a compact, strongly associated H-bonding motif
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 22,p. 2265-2266
- https://doi.org/10.1039/a907179b
Abstract
N-Carbamoyl squaramides 3, readily available from dialkyl squarate 5, form hydrogen-bonded dimers in solution and in non-polar organic solvents; in CDCl3 they show no significant dissociation down to concentrations of ≡0.5 mM.Keywords
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