The N-carbamoyl squaramide dimer: a compact, strongly associated H-bonding motif
Chemical Communications Pub Date : 01/01/1900 00:00:00 , DOI: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.
